./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:14:58,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:14:58,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:14:58,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:14:58,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:14:58,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:14:58,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:14:58,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:14:58,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:14:58,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:14:58,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:14:58,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:14:58,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:14:58,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:14:58,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:14:58,518 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:58,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:14:58,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:58,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:14:58,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:14:58,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:14:58,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:14:58,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:14:58,520 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-12-02 15:14:58,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:14:58,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:14:58,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:14:58,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:14:58,741 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:14:58,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:15:01,408 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/6f357ab87/6b9d04a602ff42048d7e873f812eeef4/FLAG45dc1c896 [2024-12-02 15:15:01,675 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:15:01,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:15:01,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/6f357ab87/6b9d04a602ff42048d7e873f812eeef4/FLAG45dc1c896 [2024-12-02 15:15:01,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/6f357ab87/6b9d04a602ff42048d7e873f812eeef4 [2024-12-02 15:15:01,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:15:01,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:15:01,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:15:01,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:15:01,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:15:01,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:15:01" (1/1) ... [2024-12-02 15:15:01,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c890d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:01, skipping insertion in model container [2024-12-02 15:15:01,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:15:01" (1/1) ... [2024-12-02 15:15:02,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:15:02,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-02 15:15:02,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:15:02,332 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:15:02,340 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-02 15:15:02,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:15:02,429 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:15:02,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02 WrapperNode [2024-12-02 15:15:02,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:15:02,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:15:02,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:15:02,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:15:02,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,617 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1979 [2024-12-02 15:15:02,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:15:02,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:15:02,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:15:02,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:15:02,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,694 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:15:02,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:15:02,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:15:02,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:15:02,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:15:02,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (1/1) ... [2024-12-02 15:15:02,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:15:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:15:02,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:15:02,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:15:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:15:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:15:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:15:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:15:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:15:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:15:03,080 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:15:03,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:15:05,556 INFO L? ?]: Removed 1004 outVars from TransFormulas that were not future-live. [2024-12-02 15:15:05,556 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:15:05,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:15:05,577 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:15:05,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:15:05 BoogieIcfgContainer [2024-12-02 15:15:05,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:15:05,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:15:05,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:15:05,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:15:05,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:15:01" (1/3) ... [2024-12-02 15:15:05,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23df9774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:15:05, skipping insertion in model container [2024-12-02 15:15:05,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:15:02" (2/3) ... [2024-12-02 15:15:05,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23df9774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:15:05, skipping insertion in model container [2024-12-02 15:15:05,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:15:05" (3/3) ... [2024-12-02 15:15:05,586 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:15:05,596 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:15:05,597 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c that has 2 procedures, 672 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:15:05,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:15:05,658 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78ec9e76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:15:05,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:15:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 672 states, 667 states have (on average 1.5037481259370316) internal successors, (1003), 668 states have internal predecessors, (1003), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 15:15:05,677 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:05,678 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:05,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:05,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:05,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1887466058, now seen corresponding path program 1 times [2024-12-02 15:15:05,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:05,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858623518] [2024-12-02 15:15:05,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:05,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:15:06,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:06,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858623518] [2024-12-02 15:15:06,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858623518] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:15:06,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254912981] [2024-12-02 15:15:06,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:06,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:15:06,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:15:06,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:15:06,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:15:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:06,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:15:06,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:15:06,562 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:06,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254912981] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:06,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:15:06,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:15:06,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383932150] [2024-12-02 15:15:06,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:06,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:15:06,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:06,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:15:06,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:15:06,591 INFO L87 Difference]: Start difference. First operand has 672 states, 667 states have (on average 1.5037481259370316) internal successors, (1003), 668 states have internal predecessors, (1003), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:06,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:06,643 INFO L93 Difference]: Finished difference Result 1307 states and 1964 transitions. [2024-12-02 15:15:06,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:15:06,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 225 [2024-12-02 15:15:06,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:06,652 INFO L225 Difference]: With dead ends: 1307 [2024-12-02 15:15:06,652 INFO L226 Difference]: Without dead ends: 669 [2024-12-02 15:15:06,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:15:06,659 INFO L435 NwaCegarLoop]: 994 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:06,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:06,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-12-02 15:15:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2024-12-02 15:15:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 665 states have (on average 1.4887218045112782) internal successors, (990), 665 states have internal predecessors, (990), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 994 transitions. [2024-12-02 15:15:06,713 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 994 transitions. Word has length 225 [2024-12-02 15:15:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:06,714 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 994 transitions. [2024-12-02 15:15:06,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 994 transitions. [2024-12-02 15:15:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 15:15:06,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:06,719 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:06,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:15:06,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:15:06,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:06,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:06,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1455970234, now seen corresponding path program 1 times [2024-12-02 15:15:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:06,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252298588] [2024-12-02 15:15:06,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:07,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:07,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252298588] [2024-12-02 15:15:07,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252298588] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:07,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:07,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512642604] [2024-12-02 15:15:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:07,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:07,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:07,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:07,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:07,981 INFO L87 Difference]: Start difference. First operand 669 states and 994 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:08,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:08,170 INFO L93 Difference]: Finished difference Result 1303 states and 1937 transitions. [2024-12-02 15:15:08,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:08,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 225 [2024-12-02 15:15:08,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:08,175 INFO L225 Difference]: With dead ends: 1303 [2024-12-02 15:15:08,175 INFO L226 Difference]: Without dead ends: 668 [2024-12-02 15:15:08,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:08,177 INFO L435 NwaCegarLoop]: 918 mSDtfsCounter, 958 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:08,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 1838 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-12-02 15:15:08,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2024-12-02 15:15:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 664 states have (on average 1.4864457831325302) internal successors, (987), 664 states have internal predecessors, (987), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 991 transitions. [2024-12-02 15:15:08,196 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 991 transitions. Word has length 225 [2024-12-02 15:15:08,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:08,197 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 991 transitions. [2024-12-02 15:15:08,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 991 transitions. [2024-12-02 15:15:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 15:15:08,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:08,200 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:08,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:15:08,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1486134020, now seen corresponding path program 1 times [2024-12-02 15:15:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:08,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171708827] [2024-12-02 15:15:08,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:09,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:09,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171708827] [2024-12-02 15:15:09,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171708827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:09,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:09,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139604141] [2024-12-02 15:15:09,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:09,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:09,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:09,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:09,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:09,061 INFO L87 Difference]: Start difference. First operand 668 states and 991 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:09,100 INFO L93 Difference]: Finished difference Result 672 states and 995 transitions. [2024-12-02 15:15:09,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:09,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 226 [2024-12-02 15:15:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:09,104 INFO L225 Difference]: With dead ends: 672 [2024-12-02 15:15:09,104 INFO L226 Difference]: Without dead ends: 670 [2024-12-02 15:15:09,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:09,105 INFO L435 NwaCegarLoop]: 989 mSDtfsCounter, 0 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:09,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2961 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-12-02 15:15:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2024-12-02 15:15:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 666 states have (on average 1.484984984984985) internal successors, (989), 666 states have internal predecessors, (989), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 993 transitions. [2024-12-02 15:15:09,121 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 993 transitions. Word has length 226 [2024-12-02 15:15:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:09,121 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 993 transitions. [2024-12-02 15:15:09,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 993 transitions. [2024-12-02 15:15:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-12-02 15:15:09,124 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:09,124 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:09,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:15:09,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:09,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:09,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1176182155, now seen corresponding path program 1 times [2024-12-02 15:15:09,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:09,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417262715] [2024-12-02 15:15:09,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:09,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417262715] [2024-12-02 15:15:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417262715] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:09,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:09,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862749654] [2024-12-02 15:15:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:09,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:09,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:09,624 INFO L87 Difference]: Start difference. First operand 670 states and 993 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:09,665 INFO L93 Difference]: Finished difference Result 1308 states and 1939 transitions. [2024-12-02 15:15:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:09,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 227 [2024-12-02 15:15:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:09,668 INFO L225 Difference]: With dead ends: 1308 [2024-12-02 15:15:09,668 INFO L226 Difference]: Without dead ends: 672 [2024-12-02 15:15:09,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:09,670 INFO L435 NwaCegarLoop]: 989 mSDtfsCounter, 0 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:09,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2957 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-12-02 15:15:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2024-12-02 15:15:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.4835329341317365) internal successors, (991), 668 states have internal predecessors, (991), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 995 transitions. [2024-12-02 15:15:09,686 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 995 transitions. Word has length 227 [2024-12-02 15:15:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:09,686 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 995 transitions. [2024-12-02 15:15:09,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 4 states have internal predecessors, (220), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 995 transitions. [2024-12-02 15:15:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-12-02 15:15:09,689 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:09,689 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:09,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:15:09,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:09,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1003943861, now seen corresponding path program 1 times [2024-12-02 15:15:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408475848] [2024-12-02 15:15:09,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:10,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:10,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408475848] [2024-12-02 15:15:10,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408475848] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:10,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:10,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674063204] [2024-12-02 15:15:10,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:10,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:10,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:10,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:10,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:10,258 INFO L87 Difference]: Start difference. First operand 672 states and 995 transitions. Second operand has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:10,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:10,326 INFO L93 Difference]: Finished difference Result 1310 states and 1940 transitions. [2024-12-02 15:15:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:10,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 228 [2024-12-02 15:15:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:10,329 INFO L225 Difference]: With dead ends: 1310 [2024-12-02 15:15:10,329 INFO L226 Difference]: Without dead ends: 672 [2024-12-02 15:15:10,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:10,331 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 948 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 1952 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:10,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 1952 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:10,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-12-02 15:15:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2024-12-02 15:15:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.4820359281437125) internal successors, (990), 668 states have internal predecessors, (990), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 994 transitions. [2024-12-02 15:15:10,345 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 994 transitions. Word has length 228 [2024-12-02 15:15:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:10,345 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 994 transitions. [2024-12-02 15:15:10,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 994 transitions. [2024-12-02 15:15:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-02 15:15:10,347 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:10,347 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:10,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:15:10,347 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 426646090, now seen corresponding path program 1 times [2024-12-02 15:15:10,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:10,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439217471] [2024-12-02 15:15:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:10,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439217471] [2024-12-02 15:15:10,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439217471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:10,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:10,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:10,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744273671] [2024-12-02 15:15:10,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:10,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:10,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:10,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:10,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:10,819 INFO L87 Difference]: Start difference. First operand 672 states and 994 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:10,896 INFO L93 Difference]: Finished difference Result 1310 states and 1938 transitions. [2024-12-02 15:15:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:10,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 229 [2024-12-02 15:15:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:10,899 INFO L225 Difference]: With dead ends: 1310 [2024-12-02 15:15:10,899 INFO L226 Difference]: Without dead ends: 672 [2024-12-02 15:15:10,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:10,900 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 946 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1952 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:10,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1952 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-12-02 15:15:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2024-12-02 15:15:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.4805389221556886) internal successors, (989), 668 states have internal predecessors, (989), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 993 transitions. [2024-12-02 15:15:10,915 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 993 transitions. Word has length 229 [2024-12-02 15:15:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:10,916 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 993 transitions. [2024-12-02 15:15:10,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 993 transitions. [2024-12-02 15:15:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-12-02 15:15:10,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:10,919 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:10,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:15:10,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:10,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:10,920 INFO L85 PathProgramCache]: Analyzing trace with hash 418793842, now seen corresponding path program 1 times [2024-12-02 15:15:10,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:10,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785408019] [2024-12-02 15:15:10,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:10,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:11,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:11,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785408019] [2024-12-02 15:15:11,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785408019] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:11,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:11,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:11,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573385136] [2024-12-02 15:15:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:11,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:11,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:11,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:11,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:11,486 INFO L87 Difference]: Start difference. First operand 672 states and 993 transitions. Second operand has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:11,600 INFO L93 Difference]: Finished difference Result 1828 states and 2704 transitions. [2024-12-02 15:15:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:11,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 230 [2024-12-02 15:15:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:11,605 INFO L225 Difference]: With dead ends: 1828 [2024-12-02 15:15:11,605 INFO L226 Difference]: Without dead ends: 1190 [2024-12-02 15:15:11,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:11,606 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 739 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 3889 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:11,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 3889 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-12-02 15:15:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 710. [2024-12-02 15:15:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 704 states have (on average 1.4744318181818181) internal successors, (1038), 704 states have internal predecessors, (1038), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 15:15:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1046 transitions. [2024-12-02 15:15:11,623 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1046 transitions. Word has length 230 [2024-12-02 15:15:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:11,623 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1046 transitions. [2024-12-02 15:15:11,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1046 transitions. [2024-12-02 15:15:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 15:15:11,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:11,626 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:11,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:15:11,626 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:11,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:11,627 INFO L85 PathProgramCache]: Analyzing trace with hash 524936294, now seen corresponding path program 1 times [2024-12-02 15:15:11,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:11,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151518680] [2024-12-02 15:15:11,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:11,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:11,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:11,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151518680] [2024-12-02 15:15:11,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151518680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:11,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:11,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:11,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062732944] [2024-12-02 15:15:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:11,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:11,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:11,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:11,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:11,899 INFO L87 Difference]: Start difference. First operand 710 states and 1046 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:11,945 INFO L93 Difference]: Finished difference Result 1386 states and 2042 transitions. [2024-12-02 15:15:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 231 [2024-12-02 15:15:11,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:11,947 INFO L225 Difference]: With dead ends: 1386 [2024-12-02 15:15:11,947 INFO L226 Difference]: Without dead ends: 710 [2024-12-02 15:15:11,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:11,948 INFO L435 NwaCegarLoop]: 981 mSDtfsCounter, 941 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:11,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 1966 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-12-02 15:15:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2024-12-02 15:15:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 704 states have (on average 1.4730113636363635) internal successors, (1037), 704 states have internal predecessors, (1037), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 15:15:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1045 transitions. [2024-12-02 15:15:11,961 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1045 transitions. Word has length 231 [2024-12-02 15:15:11,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:11,961 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1045 transitions. [2024-12-02 15:15:11,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1045 transitions. [2024-12-02 15:15:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 15:15:11,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:11,963 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:11,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:15:11,964 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:11,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:11,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2054554694, now seen corresponding path program 1 times [2024-12-02 15:15:11,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:11,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817436993] [2024-12-02 15:15:11,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:11,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:12,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:12,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817436993] [2024-12-02 15:15:12,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817436993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:12,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:12,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:12,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611479536] [2024-12-02 15:15:12,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:12,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:12,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:12,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:12,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:12,465 INFO L87 Difference]: Start difference. First operand 710 states and 1045 transitions. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:12,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:12,611 INFO L93 Difference]: Finished difference Result 1904 states and 2807 transitions. [2024-12-02 15:15:12,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:12,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 231 [2024-12-02 15:15:12,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:12,615 INFO L225 Difference]: With dead ends: 1904 [2024-12-02 15:15:12,615 INFO L226 Difference]: Without dead ends: 1228 [2024-12-02 15:15:12,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:12,616 INFO L435 NwaCegarLoop]: 1731 mSDtfsCounter, 572 mSDsluCounter, 5393 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 7124 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:12,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 7124 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-12-02 15:15:12,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1084. [2024-12-02 15:15:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1076 states have (on average 1.4767657992565055) internal successors, (1589), 1076 states have internal predecessors, (1589), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:15:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1601 transitions. [2024-12-02 15:15:12,640 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1601 transitions. Word has length 231 [2024-12-02 15:15:12,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:12,640 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1601 transitions. [2024-12-02 15:15:12,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1601 transitions. [2024-12-02 15:15:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 15:15:12,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:12,644 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:12,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:15:12,645 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:12,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:12,645 INFO L85 PathProgramCache]: Analyzing trace with hash 866372175, now seen corresponding path program 1 times [2024-12-02 15:15:12,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:12,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410668534] [2024-12-02 15:15:12,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:12,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:13,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:13,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410668534] [2024-12-02 15:15:13,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410668534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:13,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:13,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:13,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863512914] [2024-12-02 15:15:13,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:13,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:13,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:13,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:13,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:13,455 INFO L87 Difference]: Start difference. First operand 1084 states and 1601 transitions. Second operand has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:13,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:13,623 INFO L93 Difference]: Finished difference Result 2614 states and 3865 transitions. [2024-12-02 15:15:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:13,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 232 [2024-12-02 15:15:13,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:13,629 INFO L225 Difference]: With dead ends: 2614 [2024-12-02 15:15:13,629 INFO L226 Difference]: Without dead ends: 1564 [2024-12-02 15:15:13,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:13,631 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 852 mSDsluCounter, 3870 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:13,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 4837 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2024-12-02 15:15:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1132. [2024-12-02 15:15:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1124 states have (on average 1.4759786476868328) internal successors, (1659), 1124 states have internal predecessors, (1659), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:15:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1671 transitions. [2024-12-02 15:15:13,667 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1671 transitions. Word has length 232 [2024-12-02 15:15:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:13,668 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1671 transitions. [2024-12-02 15:15:13,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1671 transitions. [2024-12-02 15:15:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 15:15:13,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:13,672 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:13,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:15:13,672 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:13,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:13,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1670197678, now seen corresponding path program 1 times [2024-12-02 15:15:13,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:13,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618472399] [2024-12-02 15:15:13,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:14,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:14,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618472399] [2024-12-02 15:15:14,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618472399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:14,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:14,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:14,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052501832] [2024-12-02 15:15:14,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:14,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:14,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:14,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:14,458 INFO L87 Difference]: Start difference. First operand 1132 states and 1671 transitions. Second operand has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:14,607 INFO L93 Difference]: Finished difference Result 2811 states and 4148 transitions. [2024-12-02 15:15:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:14,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 232 [2024-12-02 15:15:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:14,615 INFO L225 Difference]: With dead ends: 2811 [2024-12-02 15:15:14,615 INFO L226 Difference]: Without dead ends: 1713 [2024-12-02 15:15:14,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:14,617 INFO L435 NwaCegarLoop]: 971 mSDtfsCounter, 352 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:14,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 4855 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-12-02 15:15:14,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1539. [2024-12-02 15:15:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1525 states have (on average 1.4695081967213115) internal successors, (2241), 1525 states have internal predecessors, (2241), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:15:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2265 transitions. [2024-12-02 15:15:14,664 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2265 transitions. Word has length 232 [2024-12-02 15:15:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:14,664 INFO L471 AbstractCegarLoop]: Abstraction has 1539 states and 2265 transitions. [2024-12-02 15:15:14,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2265 transitions. [2024-12-02 15:15:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 15:15:14,669 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:14,669 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:14,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:15:14,669 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:14,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash 597882699, now seen corresponding path program 1 times [2024-12-02 15:15:14,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711696351] [2024-12-02 15:15:14,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:15,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:15,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711696351] [2024-12-02 15:15:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711696351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:15,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:15,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131229387] [2024-12-02 15:15:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:15,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:15,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:15,532 INFO L87 Difference]: Start difference. First operand 1539 states and 2265 transitions. Second operand has 7 states, 7 states have (on average 32.285714285714285) internal successors, (226), 7 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:15,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:15,711 INFO L93 Difference]: Finished difference Result 2862 states and 4217 transitions. [2024-12-02 15:15:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:15,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.285714285714285) internal successors, (226), 7 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 233 [2024-12-02 15:15:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:15,718 INFO L225 Difference]: With dead ends: 2862 [2024-12-02 15:15:15,718 INFO L226 Difference]: Without dead ends: 1689 [2024-12-02 15:15:15,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:15,721 INFO L435 NwaCegarLoop]: 1733 mSDtfsCounter, 1448 mSDsluCounter, 5166 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 6899 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:15,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 6899 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-12-02 15:15:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1545. [2024-12-02 15:15:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1531 states have (on average 1.4676681907250164) internal successors, (2247), 1531 states have internal predecessors, (2247), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:15:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2271 transitions. [2024-12-02 15:15:15,767 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2271 transitions. Word has length 233 [2024-12-02 15:15:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:15,767 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2271 transitions. [2024-12-02 15:15:15,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.285714285714285) internal successors, (226), 7 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2271 transitions. [2024-12-02 15:15:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 15:15:15,772 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:15,772 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:15,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:15:15,773 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:15,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:15,773 INFO L85 PathProgramCache]: Analyzing trace with hash 252678, now seen corresponding path program 1 times [2024-12-02 15:15:15,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:15,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925210160] [2024-12-02 15:15:15,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:15,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:16,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:16,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925210160] [2024-12-02 15:15:16,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925210160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:16,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:16,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:16,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788373855] [2024-12-02 15:15:16,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:16,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:16,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:16,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:16,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:16,452 INFO L87 Difference]: Start difference. First operand 1545 states and 2271 transitions. Second operand has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:16,593 INFO L93 Difference]: Finished difference Result 2820 states and 4155 transitions. [2024-12-02 15:15:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:16,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 233 [2024-12-02 15:15:16,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:16,601 INFO L225 Difference]: With dead ends: 2820 [2024-12-02 15:15:16,601 INFO L226 Difference]: Without dead ends: 1719 [2024-12-02 15:15:16,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:16,603 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 340 mSDsluCounter, 3887 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 4859 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:16,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 4859 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:16,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2024-12-02 15:15:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1577. [2024-12-02 15:15:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1563 states have (on average 1.4670505438259758) internal successors, (2293), 1563 states have internal predecessors, (2293), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:15:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2317 transitions. [2024-12-02 15:15:16,662 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2317 transitions. Word has length 233 [2024-12-02 15:15:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:16,663 INFO L471 AbstractCegarLoop]: Abstraction has 1577 states and 2317 transitions. [2024-12-02 15:15:16,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2317 transitions. [2024-12-02 15:15:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 15:15:16,669 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:16,669 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:16,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:15:16,669 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:16,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2095948522, now seen corresponding path program 1 times [2024-12-02 15:15:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:16,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569153687] [2024-12-02 15:15:16,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:17,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:17,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569153687] [2024-12-02 15:15:17,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569153687] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:17,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:17,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:17,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020713070] [2024-12-02 15:15:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:17,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:17,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:17,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:17,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:17,242 INFO L87 Difference]: Start difference. First operand 1577 states and 2317 transitions. Second operand has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:17,336 INFO L93 Difference]: Finished difference Result 3156 states and 4642 transitions. [2024-12-02 15:15:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:17,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 233 [2024-12-02 15:15:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:17,343 INFO L225 Difference]: With dead ends: 3156 [2024-12-02 15:15:17,343 INFO L226 Difference]: Without dead ends: 2055 [2024-12-02 15:15:17,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:17,346 INFO L435 NwaCegarLoop]: 1284 mSDtfsCounter, 194 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:17,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 6102 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:17,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2024-12-02 15:15:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 2051. [2024-12-02 15:15:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 2031 states have (on average 1.4643032988675528) internal successors, (2974), 2031 states have internal predecessors, (2974), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3010 transitions. [2024-12-02 15:15:17,399 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3010 transitions. Word has length 233 [2024-12-02 15:15:17,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:17,399 INFO L471 AbstractCegarLoop]: Abstraction has 2051 states and 3010 transitions. [2024-12-02 15:15:17,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3010 transitions. [2024-12-02 15:15:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 15:15:17,404 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:17,404 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:17,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:15:17,404 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1816591303, now seen corresponding path program 1 times [2024-12-02 15:15:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759153372] [2024-12-02 15:15:17,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:18,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:18,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759153372] [2024-12-02 15:15:18,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759153372] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:18,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:18,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:18,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071322467] [2024-12-02 15:15:18,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:18,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:18,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:18,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:18,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:18,184 INFO L87 Difference]: Start difference. First operand 2051 states and 3010 transitions. Second operand has 6 states, 6 states have (on average 37.833333333333336) internal successors, (227), 6 states have internal predecessors, (227), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:18,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:18,421 INFO L93 Difference]: Finished difference Result 3678 states and 5414 transitions. [2024-12-02 15:15:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:18,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.833333333333336) internal successors, (227), 6 states have internal predecessors, (227), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 234 [2024-12-02 15:15:18,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:18,428 INFO L225 Difference]: With dead ends: 3678 [2024-12-02 15:15:18,428 INFO L226 Difference]: Without dead ends: 2051 [2024-12-02 15:15:18,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:18,431 INFO L435 NwaCegarLoop]: 907 mSDtfsCounter, 1674 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:18,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 2896 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:18,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2024-12-02 15:15:18,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 2051. [2024-12-02 15:15:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 2031 states have (on average 1.4613490891186607) internal successors, (2968), 2031 states have internal predecessors, (2968), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3004 transitions. [2024-12-02 15:15:18,482 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3004 transitions. Word has length 234 [2024-12-02 15:15:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:18,482 INFO L471 AbstractCegarLoop]: Abstraction has 2051 states and 3004 transitions. [2024-12-02 15:15:18,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.833333333333336) internal successors, (227), 6 states have internal predecessors, (227), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3004 transitions. [2024-12-02 15:15:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 15:15:18,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:18,487 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:18,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:15:18,487 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:18,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:18,488 INFO L85 PathProgramCache]: Analyzing trace with hash 557776345, now seen corresponding path program 1 times [2024-12-02 15:15:18,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:18,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349517155] [2024-12-02 15:15:18,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:19,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:19,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349517155] [2024-12-02 15:15:19,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349517155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:19,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:19,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247688945] [2024-12-02 15:15:19,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:19,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:19,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:19,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:19,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:19,106 INFO L87 Difference]: Start difference. First operand 2051 states and 3004 transitions. Second operand has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:19,245 INFO L93 Difference]: Finished difference Result 3900 states and 5736 transitions. [2024-12-02 15:15:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:19,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 235 [2024-12-02 15:15:19,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:19,253 INFO L225 Difference]: With dead ends: 3900 [2024-12-02 15:15:19,253 INFO L226 Difference]: Without dead ends: 2651 [2024-12-02 15:15:19,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:19,256 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 845 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 4840 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:19,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 4840 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2024-12-02 15:15:19,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2075. [2024-12-02 15:15:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 2055 states have (on average 1.4603406326034063) internal successors, (3001), 2055 states have internal predecessors, (3001), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 3037 transitions. [2024-12-02 15:15:19,307 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 3037 transitions. Word has length 235 [2024-12-02 15:15:19,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:19,308 INFO L471 AbstractCegarLoop]: Abstraction has 2075 states and 3037 transitions. [2024-12-02 15:15:19,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 3037 transitions. [2024-12-02 15:15:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 15:15:19,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:19,312 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:19,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:15:19,312 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:19,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:19,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1310017989, now seen corresponding path program 1 times [2024-12-02 15:15:19,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:19,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142288918] [2024-12-02 15:15:19,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:19,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:20,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:20,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142288918] [2024-12-02 15:15:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142288918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:20,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:20,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044618480] [2024-12-02 15:15:20,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:20,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:20,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:20,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:20,232 INFO L87 Difference]: Start difference. First operand 2075 states and 3037 transitions. Second operand has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:20,516 INFO L93 Difference]: Finished difference Result 3928 states and 5772 transitions. [2024-12-02 15:15:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:15:20,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 236 [2024-12-02 15:15:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:20,524 INFO L225 Difference]: With dead ends: 3928 [2024-12-02 15:15:20,524 INFO L226 Difference]: Without dead ends: 2663 [2024-12-02 15:15:20,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:20,527 INFO L435 NwaCegarLoop]: 957 mSDtfsCounter, 2523 mSDsluCounter, 5716 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2525 SdHoareTripleChecker+Valid, 6673 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:20,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2525 Valid, 6673 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:20,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-12-02 15:15:20,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2081. [2024-12-02 15:15:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 2061 states have (on average 1.4590004852013585) internal successors, (3007), 2061 states have internal predecessors, (3007), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3043 transitions. [2024-12-02 15:15:20,580 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3043 transitions. Word has length 236 [2024-12-02 15:15:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:20,581 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3043 transitions. [2024-12-02 15:15:20,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3043 transitions. [2024-12-02 15:15:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 15:15:20,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:20,586 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:20,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:15:20,586 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:20,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1056477930, now seen corresponding path program 1 times [2024-12-02 15:15:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:20,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120143434] [2024-12-02 15:15:20,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:20,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:21,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120143434] [2024-12-02 15:15:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120143434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:21,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:21,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:21,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955611348] [2024-12-02 15:15:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:21,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:21,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:21,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:21,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:21,305 INFO L87 Difference]: Start difference. First operand 2081 states and 3043 transitions. Second operand has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:21,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:21,414 INFO L93 Difference]: Finished difference Result 3334 states and 4890 transitions. [2024-12-02 15:15:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:21,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 236 [2024-12-02 15:15:21,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:21,420 INFO L225 Difference]: With dead ends: 3334 [2024-12-02 15:15:21,421 INFO L226 Difference]: Without dead ends: 2223 [2024-12-02 15:15:21,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:21,423 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 330 mSDsluCounter, 3886 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:21,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 4858 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:21,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2024-12-02 15:15:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2097. [2024-12-02 15:15:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 2077 states have (on average 1.458353394318729) internal successors, (3029), 2077 states have internal predecessors, (3029), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 3065 transitions. [2024-12-02 15:15:21,462 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 3065 transitions. Word has length 236 [2024-12-02 15:15:21,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:21,463 INFO L471 AbstractCegarLoop]: Abstraction has 2097 states and 3065 transitions. [2024-12-02 15:15:21,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:21,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 3065 transitions. [2024-12-02 15:15:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 15:15:21,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:21,467 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:15:21,467 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash 254861308, now seen corresponding path program 1 times [2024-12-02 15:15:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511674731] [2024-12-02 15:15:21,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:21,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:22,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511674731] [2024-12-02 15:15:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511674731] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:22,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948774511] [2024-12-02 15:15:22,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:22,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:22,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:22,041 INFO L87 Difference]: Start difference. First operand 2097 states and 3065 transitions. Second operand has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:22,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:22,138 INFO L93 Difference]: Finished difference Result 3216 states and 4712 transitions. [2024-12-02 15:15:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:22,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 236 [2024-12-02 15:15:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:22,144 INFO L225 Difference]: With dead ends: 3216 [2024-12-02 15:15:22,144 INFO L226 Difference]: Without dead ends: 2105 [2024-12-02 15:15:22,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:22,146 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 864 mSDsluCounter, 2895 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:22,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 3870 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:22,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2024-12-02 15:15:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2101. [2024-12-02 15:15:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 2081 states have (on average 1.4574723690533398) internal successors, (3033), 2081 states have internal predecessors, (3033), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 3069 transitions. [2024-12-02 15:15:22,184 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 3069 transitions. Word has length 236 [2024-12-02 15:15:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:22,184 INFO L471 AbstractCegarLoop]: Abstraction has 2101 states and 3069 transitions. [2024-12-02 15:15:22,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 3069 transitions. [2024-12-02 15:15:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 15:15:22,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:22,189 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:22,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:15:22,189 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:22,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:22,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1453537201, now seen corresponding path program 1 times [2024-12-02 15:15:22,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:22,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404536553] [2024-12-02 15:15:22,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:23,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:23,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404536553] [2024-12-02 15:15:23,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404536553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:23,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:23,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:15:23,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580892558] [2024-12-02 15:15:23,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:23,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:15:23,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:23,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:15:23,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:23,194 INFO L87 Difference]: Start difference. First operand 2101 states and 3069 transitions. Second operand has 8 states, 8 states have (on average 28.625) internal successors, (229), 8 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:23,460 INFO L93 Difference]: Finished difference Result 3462 states and 5076 transitions. [2024-12-02 15:15:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:23,460 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.625) internal successors, (229), 8 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 236 [2024-12-02 15:15:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:23,466 INFO L225 Difference]: With dead ends: 3462 [2024-12-02 15:15:23,466 INFO L226 Difference]: Without dead ends: 2347 [2024-12-02 15:15:23,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:23,468 INFO L435 NwaCegarLoop]: 913 mSDtfsCounter, 1074 mSDsluCounter, 2891 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 3804 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:23,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 3804 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:23,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2024-12-02 15:15:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2345. [2024-12-02 15:15:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2325 states have (on average 1.4610752688172044) internal successors, (3397), 2325 states have internal predecessors, (3397), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:15:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 3433 transitions. [2024-12-02 15:15:23,507 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 3433 transitions. Word has length 236 [2024-12-02 15:15:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:23,508 INFO L471 AbstractCegarLoop]: Abstraction has 2345 states and 3433 transitions. [2024-12-02 15:15:23,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.625) internal successors, (229), 8 states have internal predecessors, (229), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 3433 transitions. [2024-12-02 15:15:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 15:15:23,512 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:23,512 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:23,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:15:23,512 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:23,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash -73354460, now seen corresponding path program 1 times [2024-12-02 15:15:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327737474] [2024-12-02 15:15:23,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:24,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:24,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327737474] [2024-12-02 15:15:24,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327737474] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:24,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:24,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:24,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312276520] [2024-12-02 15:15:24,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:24,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:24,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:24,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:24,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:24,391 INFO L87 Difference]: Start difference. First operand 2345 states and 3433 transitions. Second operand has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:24,667 INFO L93 Difference]: Finished difference Result 4337 states and 6361 transitions. [2024-12-02 15:15:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:24,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 237 [2024-12-02 15:15:24,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:24,672 INFO L225 Difference]: With dead ends: 4337 [2024-12-02 15:15:24,672 INFO L226 Difference]: Without dead ends: 2918 [2024-12-02 15:15:24,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:24,674 INFO L435 NwaCegarLoop]: 903 mSDtfsCounter, 1571 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 4461 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:24,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 4461 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:24,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2024-12-02 15:15:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2740. [2024-12-02 15:15:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2714 states have (on average 1.4568901989683125) internal successors, (3954), 2714 states have internal predecessors, (3954), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 4002 transitions. [2024-12-02 15:15:24,716 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 4002 transitions. Word has length 237 [2024-12-02 15:15:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:24,716 INFO L471 AbstractCegarLoop]: Abstraction has 2740 states and 4002 transitions. [2024-12-02 15:15:24,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 4002 transitions. [2024-12-02 15:15:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 15:15:24,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:24,720 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:24,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:15:24,720 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:24,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:24,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1523087848, now seen corresponding path program 1 times [2024-12-02 15:15:24,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:24,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787140724] [2024-12-02 15:15:24,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:25,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:25,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787140724] [2024-12-02 15:15:25,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787140724] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:25,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:25,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:25,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268815014] [2024-12-02 15:15:25,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:25,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:25,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:25,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:25,311 INFO L87 Difference]: Start difference. First operand 2740 states and 4002 transitions. Second operand has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:25,397 INFO L93 Difference]: Finished difference Result 4229 states and 6197 transitions. [2024-12-02 15:15:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:25,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 238 [2024-12-02 15:15:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:25,404 INFO L225 Difference]: With dead ends: 4229 [2024-12-02 15:15:25,404 INFO L226 Difference]: Without dead ends: 2870 [2024-12-02 15:15:25,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:25,407 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 320 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:25,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 4855 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:25,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2024-12-02 15:15:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2776. [2024-12-02 15:15:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2750 states have (on average 1.456) internal successors, (4004), 2750 states have internal predecessors, (4004), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 4052 transitions. [2024-12-02 15:15:25,459 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 4052 transitions. Word has length 238 [2024-12-02 15:15:25,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:25,459 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 4052 transitions. [2024-12-02 15:15:25,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 4052 transitions. [2024-12-02 15:15:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 15:15:25,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:25,462 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:25,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:15:25,463 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:25,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:25,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1499721369, now seen corresponding path program 1 times [2024-12-02 15:15:25,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:25,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068224288] [2024-12-02 15:15:25,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:25,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:26,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:26,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068224288] [2024-12-02 15:15:26,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068224288] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:26,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:26,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670768760] [2024-12-02 15:15:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:26,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:26,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:26,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:26,154 INFO L87 Difference]: Start difference. First operand 2776 states and 4052 transitions. Second operand has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:26,444 INFO L93 Difference]: Finished difference Result 4341 states and 6359 transitions. [2024-12-02 15:15:26,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:26,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 238 [2024-12-02 15:15:26,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:26,448 INFO L225 Difference]: With dead ends: 4341 [2024-12-02 15:15:26,448 INFO L226 Difference]: Without dead ends: 2954 [2024-12-02 15:15:26,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:26,450 INFO L435 NwaCegarLoop]: 903 mSDtfsCounter, 1274 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:26,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4473 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:26,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2024-12-02 15:15:26,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2808. [2024-12-02 15:15:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2782 states have (on average 1.4550682961897916) internal successors, (4048), 2782 states have internal predecessors, (4048), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4096 transitions. [2024-12-02 15:15:26,483 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 4096 transitions. Word has length 238 [2024-12-02 15:15:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:26,483 INFO L471 AbstractCegarLoop]: Abstraction has 2808 states and 4096 transitions. [2024-12-02 15:15:26,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 4096 transitions. [2024-12-02 15:15:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 15:15:26,486 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:26,486 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:26,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:15:26,486 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:26,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:26,487 INFO L85 PathProgramCache]: Analyzing trace with hash 840330937, now seen corresponding path program 1 times [2024-12-02 15:15:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434782022] [2024-12-02 15:15:26,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:27,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:27,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434782022] [2024-12-02 15:15:27,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434782022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:27,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:27,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:27,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587037188] [2024-12-02 15:15:27,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:27,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:27,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:27,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:27,245 INFO L87 Difference]: Start difference. First operand 2808 states and 4096 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:27,342 INFO L93 Difference]: Finished difference Result 4261 states and 6239 transitions. [2024-12-02 15:15:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:27,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 239 [2024-12-02 15:15:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:27,347 INFO L225 Difference]: With dead ends: 4261 [2024-12-02 15:15:27,347 INFO L226 Difference]: Without dead ends: 2902 [2024-12-02 15:15:27,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:27,349 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 314 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:27,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 4855 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:27,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2024-12-02 15:15:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2824. [2024-12-02 15:15:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2798 states have (on average 1.4546104360257326) internal successors, (4070), 2798 states have internal predecessors, (4070), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4118 transitions. [2024-12-02 15:15:27,378 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4118 transitions. Word has length 239 [2024-12-02 15:15:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:27,378 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4118 transitions. [2024-12-02 15:15:27,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4118 transitions. [2024-12-02 15:15:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 15:15:27,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:27,381 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:27,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:15:27,381 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:27,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash -938533472, now seen corresponding path program 1 times [2024-12-02 15:15:27,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:27,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549300849] [2024-12-02 15:15:27,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:28,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:28,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549300849] [2024-12-02 15:15:28,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549300849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:28,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:28,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:28,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092890211] [2024-12-02 15:15:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:28,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:28,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:28,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:28,003 INFO L87 Difference]: Start difference. First operand 2824 states and 4118 transitions. Second operand has 9 states, 9 states have (on average 25.77777777777778) internal successors, (232), 9 states have internal predecessors, (232), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:28,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:28,296 INFO L93 Difference]: Finished difference Result 4727 states and 6915 transitions. [2024-12-02 15:15:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:15:28,297 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.77777777777778) internal successors, (232), 9 states have internal predecessors, (232), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 239 [2024-12-02 15:15:28,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:28,302 INFO L225 Difference]: With dead ends: 4727 [2024-12-02 15:15:28,302 INFO L226 Difference]: Without dead ends: 2824 [2024-12-02 15:15:28,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:28,304 INFO L435 NwaCegarLoop]: 923 mSDtfsCounter, 2537 mSDsluCounter, 3908 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:28,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 4831 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:28,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2024-12-02 15:15:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2024-12-02 15:15:28,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2798 states have (on average 1.4517512508934953) internal successors, (4062), 2798 states have internal predecessors, (4062), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4110 transitions. [2024-12-02 15:15:28,331 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4110 transitions. Word has length 239 [2024-12-02 15:15:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:28,331 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4110 transitions. [2024-12-02 15:15:28,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.77777777777778) internal successors, (232), 9 states have internal predecessors, (232), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4110 transitions. [2024-12-02 15:15:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 15:15:28,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:28,333 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:28,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:15:28,334 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:28,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:28,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1923549154, now seen corresponding path program 1 times [2024-12-02 15:15:28,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:28,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338244500] [2024-12-02 15:15:28,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:28,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:28,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:28,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338244500] [2024-12-02 15:15:28,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338244500] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:28,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:28,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:28,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906375878] [2024-12-02 15:15:28,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:28,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:28,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:28,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:28,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:28,772 INFO L87 Difference]: Start difference. First operand 2824 states and 4110 transitions. Second operand has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:28,829 INFO L93 Difference]: Finished difference Result 4719 states and 6889 transitions. [2024-12-02 15:15:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:28,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 240 [2024-12-02 15:15:28,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:28,836 INFO L225 Difference]: With dead ends: 4719 [2024-12-02 15:15:28,836 INFO L226 Difference]: Without dead ends: 2864 [2024-12-02 15:15:28,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:28,838 INFO L435 NwaCegarLoop]: 979 mSDtfsCounter, 2 mSDsluCounter, 2926 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:28,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3905 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2024-12-02 15:15:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2856. [2024-12-02 15:15:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2830 states have (on average 1.449469964664311) internal successors, (4102), 2830 states have internal predecessors, (4102), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4150 transitions. [2024-12-02 15:15:28,879 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 4150 transitions. Word has length 240 [2024-12-02 15:15:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:28,880 INFO L471 AbstractCegarLoop]: Abstraction has 2856 states and 4150 transitions. [2024-12-02 15:15:28,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 4150 transitions. [2024-12-02 15:15:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 15:15:28,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:28,883 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:28,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:15:28,883 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:28,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:28,884 INFO L85 PathProgramCache]: Analyzing trace with hash -227912190, now seen corresponding path program 1 times [2024-12-02 15:15:28,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:28,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738820474] [2024-12-02 15:15:28,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:29,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:29,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738820474] [2024-12-02 15:15:29,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738820474] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:29,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:29,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:29,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187161026] [2024-12-02 15:15:29,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:29,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:29,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:29,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:29,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:29,329 INFO L87 Difference]: Start difference. First operand 2856 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:29,368 INFO L93 Difference]: Finished difference Result 4854 states and 7066 transitions. [2024-12-02 15:15:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:29,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 240 [2024-12-02 15:15:29,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:29,374 INFO L225 Difference]: With dead ends: 4854 [2024-12-02 15:15:29,374 INFO L226 Difference]: Without dead ends: 2892 [2024-12-02 15:15:29,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:29,377 INFO L435 NwaCegarLoop]: 983 mSDtfsCounter, 0 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:29,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2941 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:29,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2024-12-02 15:15:29,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2892. [2024-12-02 15:15:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2892 states, 2866 states have (on average 1.4438241451500349) internal successors, (4138), 2866 states have internal predecessors, (4138), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 4186 transitions. [2024-12-02 15:15:29,410 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 4186 transitions. Word has length 240 [2024-12-02 15:15:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:29,410 INFO L471 AbstractCegarLoop]: Abstraction has 2892 states and 4186 transitions. [2024-12-02 15:15:29,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 4186 transitions. [2024-12-02 15:15:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 15:15:29,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:29,412 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:29,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:15:29,413 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:29,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:29,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1427057882, now seen corresponding path program 1 times [2024-12-02 15:15:29,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:29,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344471738] [2024-12-02 15:15:29,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:30,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:30,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344471738] [2024-12-02 15:15:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344471738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:30,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:30,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094888768] [2024-12-02 15:15:30,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:30,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:15:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:30,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:15:30,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:15:30,215 INFO L87 Difference]: Start difference. First operand 2892 states and 4186 transitions. Second operand has 11 states, 11 states have (on average 21.181818181818183) internal successors, (233), 11 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:30,745 INFO L93 Difference]: Finished difference Result 4828 states and 7024 transitions. [2024-12-02 15:15:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:15:30,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.181818181818183) internal successors, (233), 11 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 240 [2024-12-02 15:15:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:30,750 INFO L225 Difference]: With dead ends: 4828 [2024-12-02 15:15:30,750 INFO L226 Difference]: Without dead ends: 2932 [2024-12-02 15:15:30,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:15:30,752 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 2553 mSDsluCounter, 5689 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 6601 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:30,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 6601 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:15:30,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2024-12-02 15:15:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2908. [2024-12-02 15:15:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2882 states have (on average 1.4413601665510063) internal successors, (4154), 2882 states have internal predecessors, (4154), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4202 transitions. [2024-12-02 15:15:30,794 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4202 transitions. Word has length 240 [2024-12-02 15:15:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:30,794 INFO L471 AbstractCegarLoop]: Abstraction has 2908 states and 4202 transitions. [2024-12-02 15:15:30,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.181818181818183) internal successors, (233), 11 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4202 transitions. [2024-12-02 15:15:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 15:15:30,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:30,798 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:30,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:15:30,798 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:30,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1131209653, now seen corresponding path program 1 times [2024-12-02 15:15:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:30,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349462951] [2024-12-02 15:15:30,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:31,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:31,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349462951] [2024-12-02 15:15:31,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349462951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:31,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:31,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:31,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022755207] [2024-12-02 15:15:31,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:31,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:31,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:31,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:31,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:31,303 INFO L87 Difference]: Start difference. First operand 2908 states and 4202 transitions. Second operand has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:31,410 INFO L93 Difference]: Finished difference Result 5318 states and 7739 transitions. [2024-12-02 15:15:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:31,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 241 [2024-12-02 15:15:31,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:31,415 INFO L225 Difference]: With dead ends: 5318 [2024-12-02 15:15:31,415 INFO L226 Difference]: Without dead ends: 3714 [2024-12-02 15:15:31,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:31,417 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 836 mSDsluCounter, 3877 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:31,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 4847 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2024-12-02 15:15:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 2944. [2024-12-02 15:15:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2918 states have (on average 1.4400274160383824) internal successors, (4202), 2918 states have internal predecessors, (4202), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 4250 transitions. [2024-12-02 15:15:31,446 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 4250 transitions. Word has length 241 [2024-12-02 15:15:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:31,446 INFO L471 AbstractCegarLoop]: Abstraction has 2944 states and 4250 transitions. [2024-12-02 15:15:31,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 4250 transitions. [2024-12-02 15:15:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 15:15:31,448 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:31,448 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:31,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:15:31,448 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:31,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash 684469447, now seen corresponding path program 1 times [2024-12-02 15:15:31,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:31,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177286099] [2024-12-02 15:15:31,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:31,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:31,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:31,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177286099] [2024-12-02 15:15:31,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177286099] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:31,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:31,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:31,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302273541] [2024-12-02 15:15:31,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:31,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:31,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:31,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:31,994 INFO L87 Difference]: Start difference. First operand 2944 states and 4250 transitions. Second operand has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 7 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:32,281 INFO L93 Difference]: Finished difference Result 4491 states and 6518 transitions. [2024-12-02 15:15:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 7 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 241 [2024-12-02 15:15:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:32,285 INFO L225 Difference]: With dead ends: 4491 [2024-12-02 15:15:32,285 INFO L226 Difference]: Without dead ends: 3090 [2024-12-02 15:15:32,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:32,286 INFO L435 NwaCegarLoop]: 902 mSDtfsCounter, 1528 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 4462 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:32,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 4462 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2024-12-02 15:15:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2960. [2024-12-02 15:15:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2934 states have (on average 1.4389911383776415) internal successors, (4222), 2934 states have internal predecessors, (4222), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4270 transitions. [2024-12-02 15:15:32,312 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4270 transitions. Word has length 241 [2024-12-02 15:15:32,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:32,312 INFO L471 AbstractCegarLoop]: Abstraction has 2960 states and 4270 transitions. [2024-12-02 15:15:32,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 7 states have internal predecessors, (234), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4270 transitions. [2024-12-02 15:15:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-12-02 15:15:32,314 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:32,314 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:32,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:15:32,314 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:32,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:32,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1103804033, now seen corresponding path program 1 times [2024-12-02 15:15:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174977187] [2024-12-02 15:15:32,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:33,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:33,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174977187] [2024-12-02 15:15:33,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174977187] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:33,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:33,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353634393] [2024-12-02 15:15:33,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:33,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:33,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:33,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:33,066 INFO L87 Difference]: Start difference. First operand 2960 states and 4270 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:33,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:33,316 INFO L93 Difference]: Finished difference Result 4861 states and 7048 transitions. [2024-12-02 15:15:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:33,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 242 [2024-12-02 15:15:33,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:33,319 INFO L225 Difference]: With dead ends: 4861 [2024-12-02 15:15:33,319 INFO L226 Difference]: Without dead ends: 2960 [2024-12-02 15:15:33,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:33,320 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 1634 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:33,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 3646 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:33,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2024-12-02 15:15:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2960. [2024-12-02 15:15:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2934 states have (on average 1.4335378323108385) internal successors, (4206), 2934 states have internal predecessors, (4206), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4254 transitions. [2024-12-02 15:15:33,357 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4254 transitions. Word has length 242 [2024-12-02 15:15:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:33,358 INFO L471 AbstractCegarLoop]: Abstraction has 2960 states and 4254 transitions. [2024-12-02 15:15:33,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4254 transitions. [2024-12-02 15:15:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 15:15:33,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:33,363 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:33,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:15:33,363 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:33,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:33,363 INFO L85 PathProgramCache]: Analyzing trace with hash -536209441, now seen corresponding path program 1 times [2024-12-02 15:15:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374509564] [2024-12-02 15:15:33,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:33,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374509564] [2024-12-02 15:15:33,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374509564] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:33,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:33,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:33,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666239752] [2024-12-02 15:15:33,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:33,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:33,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:33,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:33,737 INFO L87 Difference]: Start difference. First operand 2960 states and 4254 transitions. Second operand has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:33,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:33,857 INFO L93 Difference]: Finished difference Result 5335 states and 7731 transitions. [2024-12-02 15:15:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:33,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 243 [2024-12-02 15:15:33,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:33,860 INFO L225 Difference]: With dead ends: 5335 [2024-12-02 15:15:33,861 INFO L226 Difference]: Without dead ends: 3738 [2024-12-02 15:15:33,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:33,863 INFO L435 NwaCegarLoop]: 969 mSDtfsCounter, 829 mSDsluCounter, 3873 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:33,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 4842 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2024-12-02 15:15:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 2992. [2024-12-02 15:15:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2966 states have (on average 1.432906271072151) internal successors, (4250), 2966 states have internal predecessors, (4250), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 4298 transitions. [2024-12-02 15:15:33,893 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 4298 transitions. Word has length 243 [2024-12-02 15:15:33,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:33,893 INFO L471 AbstractCegarLoop]: Abstraction has 2992 states and 4298 transitions. [2024-12-02 15:15:33,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 4298 transitions. [2024-12-02 15:15:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 15:15:33,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:33,895 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:33,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:15:33,895 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:33,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash 179152707, now seen corresponding path program 1 times [2024-12-02 15:15:33,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:33,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649415242] [2024-12-02 15:15:33,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:34,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649415242] [2024-12-02 15:15:34,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649415242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:34,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:34,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:34,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003180566] [2024-12-02 15:15:34,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:34,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:34,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:34,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:34,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:34,295 INFO L87 Difference]: Start difference. First operand 2992 states and 4298 transitions. Second operand has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:34,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:34,412 INFO L93 Difference]: Finished difference Result 5319 states and 7702 transitions. [2024-12-02 15:15:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:34,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 244 [2024-12-02 15:15:34,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:34,417 INFO L225 Difference]: With dead ends: 5319 [2024-12-02 15:15:34,417 INFO L226 Difference]: Without dead ends: 3738 [2024-12-02 15:15:34,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:34,420 INFO L435 NwaCegarLoop]: 969 mSDtfsCounter, 822 mSDsluCounter, 3873 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:34,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 4842 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2024-12-02 15:15:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3024. [2024-12-02 15:15:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2998 states have (on average 1.4322881921280854) internal successors, (4294), 2998 states have internal predecessors, (4294), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4342 transitions. [2024-12-02 15:15:34,463 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4342 transitions. Word has length 244 [2024-12-02 15:15:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:34,464 INFO L471 AbstractCegarLoop]: Abstraction has 3024 states and 4342 transitions. [2024-12-02 15:15:34,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4342 transitions. [2024-12-02 15:15:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 15:15:34,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:34,467 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:34,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:15:34,467 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:34,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1750162836, now seen corresponding path program 1 times [2024-12-02 15:15:34,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:34,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689421361] [2024-12-02 15:15:34,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:34,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:35,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689421361] [2024-12-02 15:15:35,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689421361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:35,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865968325] [2024-12-02 15:15:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:35,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:35,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:35,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:35,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:35,085 INFO L87 Difference]: Start difference. First operand 3024 states and 4342 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:35,335 INFO L93 Difference]: Finished difference Result 4893 states and 7066 transitions. [2024-12-02 15:15:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:35,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 244 [2024-12-02 15:15:35,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:35,338 INFO L225 Difference]: With dead ends: 4893 [2024-12-02 15:15:35,338 INFO L226 Difference]: Without dead ends: 3024 [2024-12-02 15:15:35,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:35,340 INFO L435 NwaCegarLoop]: 896 mSDtfsCounter, 1035 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:35,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 3649 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:35,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2024-12-02 15:15:35,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 3024. [2024-12-02 15:15:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2998 states have (on average 1.4296197464976652) internal successors, (4286), 2998 states have internal predecessors, (4286), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4334 transitions. [2024-12-02 15:15:35,366 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4334 transitions. Word has length 244 [2024-12-02 15:15:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:35,367 INFO L471 AbstractCegarLoop]: Abstraction has 3024 states and 4334 transitions. [2024-12-02 15:15:35,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4334 transitions. [2024-12-02 15:15:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 15:15:35,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:35,370 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:35,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 15:15:35,370 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:35,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:35,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1702022929, now seen corresponding path program 1 times [2024-12-02 15:15:35,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:35,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713292108] [2024-12-02 15:15:35,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:35,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:35,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713292108] [2024-12-02 15:15:35,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713292108] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:35,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:35,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:35,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532823008] [2024-12-02 15:15:35,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:35,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:35,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:35,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:35,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:35,849 INFO L87 Difference]: Start difference. First operand 3024 states and 4334 transitions. Second operand has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:35,962 INFO L93 Difference]: Finished difference Result 5303 states and 7663 transitions. [2024-12-02 15:15:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:35,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 245 [2024-12-02 15:15:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:35,965 INFO L225 Difference]: With dead ends: 5303 [2024-12-02 15:15:35,965 INFO L226 Difference]: Without dead ends: 3738 [2024-12-02 15:15:35,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:35,967 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 815 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:35,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 4837 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2024-12-02 15:15:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3056. [2024-12-02 15:15:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3056 states, 3030 states have (on average 1.4290429042904291) internal successors, (4330), 3030 states have internal predecessors, (4330), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4378 transitions. [2024-12-02 15:15:35,998 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 4378 transitions. Word has length 245 [2024-12-02 15:15:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:35,999 INFO L471 AbstractCegarLoop]: Abstraction has 3056 states and 4378 transitions. [2024-12-02 15:15:35,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 4378 transitions. [2024-12-02 15:15:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 15:15:36,001 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:36,001 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:36,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:15:36,001 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:36,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1660881284, now seen corresponding path program 1 times [2024-12-02 15:15:36,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:36,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395422907] [2024-12-02 15:15:36,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:36,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:36,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395422907] [2024-12-02 15:15:36,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395422907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:36,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:36,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29756747] [2024-12-02 15:15:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:36,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:36,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:36,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:36,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:36,531 INFO L87 Difference]: Start difference. First operand 3056 states and 4378 transitions. Second operand has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:36,629 INFO L93 Difference]: Finished difference Result 4547 states and 6557 transitions. [2024-12-02 15:15:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:36,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 245 [2024-12-02 15:15:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:36,632 INFO L225 Difference]: With dead ends: 4547 [2024-12-02 15:15:36,632 INFO L226 Difference]: Without dead ends: 3134 [2024-12-02 15:15:36,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:36,634 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 300 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:36,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 4832 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:36,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2024-12-02 15:15:36,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 3072. [2024-12-02 15:15:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 3046 states have (on average 1.4287590282337492) internal successors, (4352), 3046 states have internal predecessors, (4352), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4400 transitions. [2024-12-02 15:15:36,659 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4400 transitions. Word has length 245 [2024-12-02 15:15:36,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:36,660 INFO L471 AbstractCegarLoop]: Abstraction has 3072 states and 4400 transitions. [2024-12-02 15:15:36,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4400 transitions. [2024-12-02 15:15:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 15:15:36,662 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:36,662 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:36,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:15:36,662 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:36,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:36,663 INFO L85 PathProgramCache]: Analyzing trace with hash 676564849, now seen corresponding path program 1 times [2024-12-02 15:15:36,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:36,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773051195] [2024-12-02 15:15:36,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:37,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773051195] [2024-12-02 15:15:37,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773051195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:37,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:37,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:37,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995850802] [2024-12-02 15:15:37,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:37,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:37,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:37,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:37,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:37,240 INFO L87 Difference]: Start difference. First operand 3072 states and 4400 transitions. Second operand has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:37,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:37,525 INFO L93 Difference]: Finished difference Result 4615 states and 6655 transitions. [2024-12-02 15:15:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:37,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 245 [2024-12-02 15:15:37,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:37,528 INFO L225 Difference]: With dead ends: 4615 [2024-12-02 15:15:37,528 INFO L226 Difference]: Without dead ends: 3202 [2024-12-02 15:15:37,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:37,530 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 1386 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 4455 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:37,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 4455 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3202 states. [2024-12-02 15:15:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3202 to 3108. [2024-12-02 15:15:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 3082 states have (on average 1.428293316028553) internal successors, (4402), 3082 states have internal predecessors, (4402), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 4450 transitions. [2024-12-02 15:15:37,554 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 4450 transitions. Word has length 245 [2024-12-02 15:15:37,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:37,554 INFO L471 AbstractCegarLoop]: Abstraction has 3108 states and 4450 transitions. [2024-12-02 15:15:37,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 4450 transitions. [2024-12-02 15:15:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-12-02 15:15:37,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:37,556 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:37,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 15:15:37,556 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:37,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1955147023, now seen corresponding path program 1 times [2024-12-02 15:15:37,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:37,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908197855] [2024-12-02 15:15:37,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:37,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:37,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908197855] [2024-12-02 15:15:37,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908197855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:37,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:37,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948905208] [2024-12-02 15:15:37,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:37,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:37,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:37,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:37,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:37,982 INFO L87 Difference]: Start difference. First operand 3108 states and 4450 transitions. Second operand has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:38,073 INFO L93 Difference]: Finished difference Result 4583 states and 6605 transitions. [2024-12-02 15:15:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 246 [2024-12-02 15:15:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:38,076 INFO L225 Difference]: With dead ends: 4583 [2024-12-02 15:15:38,076 INFO L226 Difference]: Without dead ends: 3170 [2024-12-02 15:15:38,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:38,077 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 294 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:38,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 4832 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2024-12-02 15:15:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3124. [2024-12-02 15:15:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 3098 states have (on average 1.4280180761781796) internal successors, (4424), 3098 states have internal predecessors, (4424), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4472 transitions. [2024-12-02 15:15:38,106 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4472 transitions. Word has length 246 [2024-12-02 15:15:38,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:38,106 INFO L471 AbstractCegarLoop]: Abstraction has 3124 states and 4472 transitions. [2024-12-02 15:15:38,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4472 transitions. [2024-12-02 15:15:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-12-02 15:15:38,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:38,108 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:38,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 15:15:38,108 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:38,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:38,109 INFO L85 PathProgramCache]: Analyzing trace with hash 310087808, now seen corresponding path program 1 times [2024-12-02 15:15:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:38,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627446436] [2024-12-02 15:15:38,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627446436] [2024-12-02 15:15:38,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627446436] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:38,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:38,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:38,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796740058] [2024-12-02 15:15:38,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:38,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:38,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:38,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:38,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:38,673 INFO L87 Difference]: Start difference. First operand 3124 states and 4472 transitions. Second operand has 7 states, 7 states have (on average 34.142857142857146) internal successors, (239), 7 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:38,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:38,938 INFO L93 Difference]: Finished difference Result 4631 states and 6675 transitions. [2024-12-02 15:15:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.142857142857146) internal successors, (239), 7 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 246 [2024-12-02 15:15:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:38,941 INFO L225 Difference]: With dead ends: 4631 [2024-12-02 15:15:38,941 INFO L226 Difference]: Without dead ends: 3218 [2024-12-02 15:15:38,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:38,942 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 1238 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 4467 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:38,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 4467 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:38,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2024-12-02 15:15:38,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3140. [2024-12-02 15:15:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 3114 states have (on average 1.4277456647398843) internal successors, (4446), 3114 states have internal predecessors, (4446), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4494 transitions. [2024-12-02 15:15:38,966 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4494 transitions. Word has length 246 [2024-12-02 15:15:38,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:38,967 INFO L471 AbstractCegarLoop]: Abstraction has 3140 states and 4494 transitions. [2024-12-02 15:15:38,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.142857142857146) internal successors, (239), 7 states have internal predecessors, (239), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4494 transitions. [2024-12-02 15:15:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 15:15:38,969 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:38,969 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:38,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 15:15:38,969 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:38,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:38,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1957717078, now seen corresponding path program 1 times [2024-12-02 15:15:38,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:38,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80062379] [2024-12-02 15:15:38,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:38,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:39,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:39,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80062379] [2024-12-02 15:15:39,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80062379] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:39,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:39,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:39,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545498121] [2024-12-02 15:15:39,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:39,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:39,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:39,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:39,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:39,366 INFO L87 Difference]: Start difference. First operand 3140 states and 4494 transitions. Second operand has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:39,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:39,450 INFO L93 Difference]: Finished difference Result 4599 states and 6625 transitions. [2024-12-02 15:15:39,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:39,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 247 [2024-12-02 15:15:39,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:39,452 INFO L225 Difference]: With dead ends: 4599 [2024-12-02 15:15:39,452 INFO L226 Difference]: Without dead ends: 3186 [2024-12-02 15:15:39,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:39,454 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 288 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 4844 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:39,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 4844 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:39,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2024-12-02 15:15:39,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3156. [2024-12-02 15:15:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3130 states have (on average 1.4274760383386582) internal successors, (4468), 3130 states have internal predecessors, (4468), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4516 transitions. [2024-12-02 15:15:39,478 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4516 transitions. Word has length 247 [2024-12-02 15:15:39,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:39,479 INFO L471 AbstractCegarLoop]: Abstraction has 3156 states and 4516 transitions. [2024-12-02 15:15:39,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4516 transitions. [2024-12-02 15:15:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 15:15:39,481 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:39,481 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:39,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 15:15:39,481 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:39,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:39,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1768315359, now seen corresponding path program 1 times [2024-12-02 15:15:39,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:39,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524864037] [2024-12-02 15:15:39,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:40,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524864037] [2024-12-02 15:15:40,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524864037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:40,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:40,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:40,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454594197] [2024-12-02 15:15:40,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:40,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:15:40,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:40,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:15:40,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:15:40,452 INFO L87 Difference]: Start difference. First operand 3156 states and 4516 transitions. Second operand has 11 states, 11 states have (on average 21.818181818181817) internal successors, (240), 11 states have internal predecessors, (240), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:40,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:40,991 INFO L93 Difference]: Finished difference Result 5283 states and 7594 transitions. [2024-12-02 15:15:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:15:40,992 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.818181818181817) internal successors, (240), 11 states have internal predecessors, (240), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 247 [2024-12-02 15:15:40,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:40,995 INFO L225 Difference]: With dead ends: 5283 [2024-12-02 15:15:40,995 INFO L226 Difference]: Without dead ends: 3204 [2024-12-02 15:15:40,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:15:40,997 INFO L435 NwaCegarLoop]: 910 mSDtfsCounter, 1788 mSDsluCounter, 5679 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 6589 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:40,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 6589 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:15:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2024-12-02 15:15:41,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 3180. [2024-12-02 15:15:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3180 states, 3154 states have (on average 1.4242232086239697) internal successors, (4492), 3154 states have internal predecessors, (4492), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 4540 transitions. [2024-12-02 15:15:41,024 INFO L78 Accepts]: Start accepts. Automaton has 3180 states and 4540 transitions. Word has length 247 [2024-12-02 15:15:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:41,024 INFO L471 AbstractCegarLoop]: Abstraction has 3180 states and 4540 transitions. [2024-12-02 15:15:41,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.818181818181817) internal successors, (240), 11 states have internal predecessors, (240), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 4540 transitions. [2024-12-02 15:15:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 15:15:41,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:41,026 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:41,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 15:15:41,027 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:41,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:41,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1820151593, now seen corresponding path program 1 times [2024-12-02 15:15:41,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:41,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537221169] [2024-12-02 15:15:41,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:41,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:41,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537221169] [2024-12-02 15:15:41,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537221169] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:41,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:41,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:41,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577756626] [2024-12-02 15:15:41,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:41,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:41,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:41,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:41,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:41,598 INFO L87 Difference]: Start difference. First operand 3180 states and 4540 transitions. Second operand has 7 states, 7 states have (on average 34.285714285714285) internal successors, (240), 7 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:41,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:41,858 INFO L93 Difference]: Finished difference Result 4677 states and 6725 transitions. [2024-12-02 15:15:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:41,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.285714285714285) internal successors, (240), 7 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 247 [2024-12-02 15:15:41,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:41,861 INFO L225 Difference]: With dead ends: 4677 [2024-12-02 15:15:41,861 INFO L226 Difference]: Without dead ends: 3258 [2024-12-02 15:15:41,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:41,863 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 1232 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 4467 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:41,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 4467 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:41,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2024-12-02 15:15:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3196. [2024-12-02 15:15:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 3170 states have (on average 1.42397476340694) internal successors, (4514), 3170 states have internal predecessors, (4514), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 4562 transitions. [2024-12-02 15:15:41,890 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 4562 transitions. Word has length 247 [2024-12-02 15:15:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:41,890 INFO L471 AbstractCegarLoop]: Abstraction has 3196 states and 4562 transitions. [2024-12-02 15:15:41,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.285714285714285) internal successors, (240), 7 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 4562 transitions. [2024-12-02 15:15:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-12-02 15:15:41,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:41,891 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:41,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 15:15:41,892 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:41,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:41,892 INFO L85 PathProgramCache]: Analyzing trace with hash 994909607, now seen corresponding path program 1 times [2024-12-02 15:15:41,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:41,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550638251] [2024-12-02 15:15:41,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:41,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:42,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:42,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550638251] [2024-12-02 15:15:42,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550638251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:42,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:42,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:42,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454005772] [2024-12-02 15:15:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:42,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:15:42,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:42,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:15:42,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:15:42,718 INFO L87 Difference]: Start difference. First operand 3196 states and 4562 transitions. Second operand has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 11 states have internal predecessors, (241), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:43,156 INFO L93 Difference]: Finished difference Result 5273 states and 7569 transitions. [2024-12-02 15:15:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:15:43,157 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 11 states have internal predecessors, (241), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 248 [2024-12-02 15:15:43,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:43,159 INFO L225 Difference]: With dead ends: 5273 [2024-12-02 15:15:43,159 INFO L226 Difference]: Without dead ends: 3244 [2024-12-02 15:15:43,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:15:43,162 INFO L435 NwaCegarLoop]: 910 mSDtfsCounter, 2538 mSDsluCounter, 4885 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:43,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 5795 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:15:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2024-12-02 15:15:43,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3220. [2024-12-02 15:15:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 3194 states have (on average 1.4207889793362556) internal successors, (4538), 3194 states have internal predecessors, (4538), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4586 transitions. [2024-12-02 15:15:43,190 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4586 transitions. Word has length 248 [2024-12-02 15:15:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:43,190 INFO L471 AbstractCegarLoop]: Abstraction has 3220 states and 4586 transitions. [2024-12-02 15:15:43,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.90909090909091) internal successors, (241), 11 states have internal predecessors, (241), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4586 transitions. [2024-12-02 15:15:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-12-02 15:15:43,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:43,193 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:43,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 15:15:43,193 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:43,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:43,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1974244058, now seen corresponding path program 1 times [2024-12-02 15:15:43,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:43,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073824175] [2024-12-02 15:15:43,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:43,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:43,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:43,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073824175] [2024-12-02 15:15:43,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073824175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:43,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:43,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767723191] [2024-12-02 15:15:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:43,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:43,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:43,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:43,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:43,728 INFO L87 Difference]: Start difference. First operand 3220 states and 4586 transitions. Second operand has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:43,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:43,960 INFO L93 Difference]: Finished difference Result 5177 states and 7419 transitions. [2024-12-02 15:15:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:43,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 249 [2024-12-02 15:15:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:43,963 INFO L225 Difference]: With dead ends: 5177 [2024-12-02 15:15:43,963 INFO L226 Difference]: Without dead ends: 3220 [2024-12-02 15:15:43,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:43,964 INFO L435 NwaCegarLoop]: 895 mSDtfsCounter, 1027 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 3640 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:43,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 3640 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2024-12-02 15:15:43,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3220. [2024-12-02 15:15:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 3194 states have (on average 1.4182842830306825) internal successors, (4530), 3194 states have internal predecessors, (4530), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4578 transitions. [2024-12-02 15:15:43,989 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4578 transitions. Word has length 249 [2024-12-02 15:15:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:43,989 INFO L471 AbstractCegarLoop]: Abstraction has 3220 states and 4578 transitions. [2024-12-02 15:15:43,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.57142857142857) internal successors, (242), 7 states have internal predecessors, (242), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4578 transitions. [2024-12-02 15:15:43,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 15:15:43,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:43,991 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:43,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 15:15:43,991 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:43,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash 296294905, now seen corresponding path program 1 times [2024-12-02 15:15:43,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:43,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110340378] [2024-12-02 15:15:43,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110340378] [2024-12-02 15:15:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110340378] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:44,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:44,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134124855] [2024-12-02 15:15:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:44,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:44,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:44,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:44,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:44,236 INFO L87 Difference]: Start difference. First operand 3220 states and 4578 transitions. Second operand has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:44,283 INFO L93 Difference]: Finished difference Result 5267 states and 7526 transitions. [2024-12-02 15:15:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 250 [2024-12-02 15:15:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:44,286 INFO L225 Difference]: With dead ends: 5267 [2024-12-02 15:15:44,286 INFO L226 Difference]: Without dead ends: 3268 [2024-12-02 15:15:44,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:44,288 INFO L435 NwaCegarLoop]: 976 mSDtfsCounter, 2 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3894 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:44,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3894 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2024-12-02 15:15:44,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 3256. [2024-12-02 15:15:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 3230 states have (on average 1.4136222910216718) internal successors, (4566), 3230 states have internal predecessors, (4566), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4614 transitions. [2024-12-02 15:15:44,334 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4614 transitions. Word has length 250 [2024-12-02 15:15:44,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:44,334 INFO L471 AbstractCegarLoop]: Abstraction has 3256 states and 4614 transitions. [2024-12-02 15:15:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4614 transitions. [2024-12-02 15:15:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 15:15:44,336 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:44,336 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:44,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 15:15:44,336 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:44,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1991931869, now seen corresponding path program 1 times [2024-12-02 15:15:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:44,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441179079] [2024-12-02 15:15:44,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:44,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:44,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441179079] [2024-12-02 15:15:44,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441179079] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:44,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:44,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:44,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530415854] [2024-12-02 15:15:44,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:44,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:44,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:44,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:44,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:44,630 INFO L87 Difference]: Start difference. First operand 3256 states and 4614 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:44,660 INFO L93 Difference]: Finished difference Result 5408 states and 7694 transitions. [2024-12-02 15:15:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:44,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 250 [2024-12-02 15:15:44,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:44,663 INFO L225 Difference]: With dead ends: 5408 [2024-12-02 15:15:44,663 INFO L226 Difference]: Without dead ends: 3292 [2024-12-02 15:15:44,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:44,665 INFO L435 NwaCegarLoop]: 980 mSDtfsCounter, 0 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:44,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2932 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:44,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2024-12-02 15:15:44,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3292. [2024-12-02 15:15:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3266 states have (on average 1.4090630740967545) internal successors, (4602), 3266 states have internal predecessors, (4602), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 4650 transitions. [2024-12-02 15:15:44,691 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 4650 transitions. Word has length 250 [2024-12-02 15:15:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:44,691 INFO L471 AbstractCegarLoop]: Abstraction has 3292 states and 4650 transitions. [2024-12-02 15:15:44,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 4650 transitions. [2024-12-02 15:15:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-12-02 15:15:44,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:44,693 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:44,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-02 15:15:44,694 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:44,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:44,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1652722538, now seen corresponding path program 1 times [2024-12-02 15:15:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:44,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080525417] [2024-12-02 15:15:44,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:45,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:45,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080525417] [2024-12-02 15:15:45,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080525417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:45,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:45,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:45,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003274617] [2024-12-02 15:15:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:45,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:45,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:45,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:45,090 INFO L87 Difference]: Start difference. First operand 3292 states and 4650 transitions. Second operand has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:45,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:45,206 INFO L93 Difference]: Finished difference Result 5669 states and 8094 transitions. [2024-12-02 15:15:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:45,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 251 [2024-12-02 15:15:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:45,209 INFO L225 Difference]: With dead ends: 5669 [2024-12-02 15:15:45,209 INFO L226 Difference]: Without dead ends: 4032 [2024-12-02 15:15:45,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:45,211 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 807 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 4841 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:45,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 4841 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2024-12-02 15:15:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 3324. [2024-12-02 15:15:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 3298 states have (on average 1.408732565191025) internal successors, (4646), 3298 states have internal predecessors, (4646), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4694 transitions. [2024-12-02 15:15:45,239 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4694 transitions. Word has length 251 [2024-12-02 15:15:45,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:45,239 INFO L471 AbstractCegarLoop]: Abstraction has 3324 states and 4694 transitions. [2024-12-02 15:15:45,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4694 transitions. [2024-12-02 15:15:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-12-02 15:15:45,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:45,241 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:45,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 15:15:45,242 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:45,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:45,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1949258745, now seen corresponding path program 1 times [2024-12-02 15:15:45,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:45,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842245772] [2024-12-02 15:15:45,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:45,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842245772] [2024-12-02 15:15:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842245772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:45,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:45,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:45,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579435498] [2024-12-02 15:15:45,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:45,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:45,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:45,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:45,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:45,791 INFO L87 Difference]: Start difference. First operand 3324 states and 4694 transitions. Second operand has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:46,035 INFO L93 Difference]: Finished difference Result 5259 states and 7482 transitions. [2024-12-02 15:15:46,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:46,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 251 [2024-12-02 15:15:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:46,038 INFO L225 Difference]: With dead ends: 5259 [2024-12-02 15:15:46,038 INFO L226 Difference]: Without dead ends: 3324 [2024-12-02 15:15:46,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:46,040 INFO L435 NwaCegarLoop]: 894 mSDtfsCounter, 1613 mSDsluCounter, 2737 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 3631 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:46,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 3631 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:46,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2024-12-02 15:15:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3324. [2024-12-02 15:15:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 3298 states have (on average 1.4063068526379625) internal successors, (4638), 3298 states have internal predecessors, (4638), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4686 transitions. [2024-12-02 15:15:46,068 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4686 transitions. Word has length 251 [2024-12-02 15:15:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:46,068 INFO L471 AbstractCegarLoop]: Abstraction has 3324 states and 4686 transitions. [2024-12-02 15:15:46,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4686 transitions. [2024-12-02 15:15:46,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:15:46,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:46,070 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:46,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 15:15:46,070 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:46,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:46,071 INFO L85 PathProgramCache]: Analyzing trace with hash -301682604, now seen corresponding path program 1 times [2024-12-02 15:15:46,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:46,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164884084] [2024-12-02 15:15:46,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:46,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:46,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164884084] [2024-12-02 15:15:46,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164884084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:46,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:46,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:46,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839472687] [2024-12-02 15:15:46,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:46,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:46,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:46,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:46,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:46,529 INFO L87 Difference]: Start difference. First operand 3324 states and 4686 transitions. Second operand has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:46,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:46,625 INFO L93 Difference]: Finished difference Result 4805 states and 6830 transitions. [2024-12-02 15:15:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:46,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 252 [2024-12-02 15:15:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:46,628 INFO L225 Difference]: With dead ends: 4805 [2024-12-02 15:15:46,628 INFO L226 Difference]: Without dead ends: 3354 [2024-12-02 15:15:46,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:15:46,629 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 276 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:46,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 4830 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:46,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2024-12-02 15:15:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3340. [2024-12-02 15:15:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 3314 states have (on average 1.4061557030778515) internal successors, (4660), 3314 states have internal predecessors, (4660), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4708 transitions. [2024-12-02 15:15:46,656 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4708 transitions. Word has length 252 [2024-12-02 15:15:46,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:46,656 INFO L471 AbstractCegarLoop]: Abstraction has 3340 states and 4708 transitions. [2024-12-02 15:15:46,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.833333333333336) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4708 transitions. [2024-12-02 15:15:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:15:46,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:46,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:46,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 15:15:46,658 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:46,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash 993785699, now seen corresponding path program 1 times [2024-12-02 15:15:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:46,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798958483] [2024-12-02 15:15:46,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:47,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:47,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798958483] [2024-12-02 15:15:47,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798958483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:47,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:47,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:47,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721846025] [2024-12-02 15:15:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:47,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:47,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:47,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:47,251 INFO L87 Difference]: Start difference. First operand 3340 states and 4708 transitions. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:47,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:47,503 INFO L93 Difference]: Finished difference Result 5785 states and 8240 transitions. [2024-12-02 15:15:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:15:47,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 252 [2024-12-02 15:15:47,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:47,506 INFO L225 Difference]: With dead ends: 5785 [2024-12-02 15:15:47,506 INFO L226 Difference]: Without dead ends: 4072 [2024-12-02 15:15:47,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:47,508 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 1787 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:47,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 6694 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2024-12-02 15:15:47,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 3348. [2024-12-02 15:15:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 3322 states have (on average 1.4051776038531005) internal successors, (4668), 3322 states have internal predecessors, (4668), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4716 transitions. [2024-12-02 15:15:47,543 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4716 transitions. Word has length 252 [2024-12-02 15:15:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:47,543 INFO L471 AbstractCegarLoop]: Abstraction has 3348 states and 4716 transitions. [2024-12-02 15:15:47,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4716 transitions. [2024-12-02 15:15:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:15:47,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:47,546 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:47,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-02 15:15:47,546 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:47,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1370326899, now seen corresponding path program 1 times [2024-12-02 15:15:47,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:47,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522988317] [2024-12-02 15:15:47,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:48,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:48,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522988317] [2024-12-02 15:15:48,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522988317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:48,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:48,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:48,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887483168] [2024-12-02 15:15:48,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:48,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:48,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:48,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:48,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:48,165 INFO L87 Difference]: Start difference. First operand 3348 states and 4716 transitions. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:48,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:48,393 INFO L93 Difference]: Finished difference Result 5771 states and 8217 transitions. [2024-12-02 15:15:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:15:48,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 252 [2024-12-02 15:15:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:48,396 INFO L225 Difference]: With dead ends: 5771 [2024-12-02 15:15:48,396 INFO L226 Difference]: Without dead ends: 4080 [2024-12-02 15:15:48,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:48,398 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 1780 mSDsluCounter, 4882 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 5841 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:48,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 5841 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2024-12-02 15:15:48,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 3356. [2024-12-02 15:15:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 3330 states have (on average 1.4042042042042042) internal successors, (4676), 3330 states have internal predecessors, (4676), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4724 transitions. [2024-12-02 15:15:48,427 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4724 transitions. Word has length 252 [2024-12-02 15:15:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:48,427 INFO L471 AbstractCegarLoop]: Abstraction has 3356 states and 4724 transitions. [2024-12-02 15:15:48,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4724 transitions. [2024-12-02 15:15:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:15:48,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:48,429 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:48,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-02 15:15:48,429 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:48,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:48,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1904469208, now seen corresponding path program 1 times [2024-12-02 15:15:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936314994] [2024-12-02 15:15:48,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936314994] [2024-12-02 15:15:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936314994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081400807] [2024-12-02 15:15:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:49,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:15:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:49,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:15:49,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:15:49,280 INFO L87 Difference]: Start difference. First operand 3356 states and 4724 transitions. Second operand has 11 states, 11 states have (on average 22.272727272727273) internal successors, (245), 11 states have internal predecessors, (245), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:49,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:49,755 INFO L93 Difference]: Finished difference Result 5375 states and 7626 transitions. [2024-12-02 15:15:49,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:15:49,756 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.272727272727273) internal successors, (245), 11 states have internal predecessors, (245), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 252 [2024-12-02 15:15:49,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:49,758 INFO L225 Difference]: With dead ends: 5375 [2024-12-02 15:15:49,758 INFO L226 Difference]: Without dead ends: 3396 [2024-12-02 15:15:49,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:15:49,760 INFO L435 NwaCegarLoop]: 908 mSDtfsCounter, 2520 mSDsluCounter, 5663 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 6571 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:49,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 6571 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:15:49,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2024-12-02 15:15:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3372. [2024-12-02 15:15:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3372 states, 3346 states have (on average 1.4022713687985655) internal successors, (4692), 3346 states have internal predecessors, (4692), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 4740 transitions. [2024-12-02 15:15:49,787 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 4740 transitions. Word has length 252 [2024-12-02 15:15:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:49,787 INFO L471 AbstractCegarLoop]: Abstraction has 3372 states and 4740 transitions. [2024-12-02 15:15:49,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.272727272727273) internal successors, (245), 11 states have internal predecessors, (245), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 4740 transitions. [2024-12-02 15:15:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:15:49,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:49,789 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:49,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-12-02 15:15:49,789 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:49,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1547319528, now seen corresponding path program 1 times [2024-12-02 15:15:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:49,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378549132] [2024-12-02 15:15:49,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:50,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:50,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378549132] [2024-12-02 15:15:50,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378549132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:50,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:50,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:50,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859347696] [2024-12-02 15:15:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:50,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:50,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:50,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:50,413 INFO L87 Difference]: Start difference. First operand 3372 states and 4740 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:50,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:50,695 INFO L93 Difference]: Finished difference Result 4893 states and 6940 transitions. [2024-12-02 15:15:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 252 [2024-12-02 15:15:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:50,697 INFO L225 Difference]: With dead ends: 4893 [2024-12-02 15:15:50,697 INFO L226 Difference]: Without dead ends: 3434 [2024-12-02 15:15:50,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:50,699 INFO L435 NwaCegarLoop]: 898 mSDtfsCounter, 1444 mSDsluCounter, 3547 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 4445 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:50,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 4445 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2024-12-02 15:15:50,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3388. [2024-12-02 15:15:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3362 states have (on average 1.4021415823914336) internal successors, (4714), 3362 states have internal predecessors, (4714), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4762 transitions. [2024-12-02 15:15:50,728 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4762 transitions. Word has length 252 [2024-12-02 15:15:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:50,729 INFO L471 AbstractCegarLoop]: Abstraction has 3388 states and 4762 transitions. [2024-12-02 15:15:50,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4762 transitions. [2024-12-02 15:15:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 15:15:50,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:50,731 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:50,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-02 15:15:50,732 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:50,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:50,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1262874338, now seen corresponding path program 1 times [2024-12-02 15:15:50,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:50,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644320270] [2024-12-02 15:15:50,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:50,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:51,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:51,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644320270] [2024-12-02 15:15:51,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644320270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:51,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:51,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:51,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140079595] [2024-12-02 15:15:51,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:51,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:51,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:51,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:51,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:51,155 INFO L87 Difference]: Start difference. First operand 3388 states and 4762 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:51,234 INFO L93 Difference]: Finished difference Result 4867 states and 6900 transitions. [2024-12-02 15:15:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:51,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 253 [2024-12-02 15:15:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:51,237 INFO L225 Difference]: With dead ends: 4867 [2024-12-02 15:15:51,237 INFO L226 Difference]: Without dead ends: 3408 [2024-12-02 15:15:51,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:51,239 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 271 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 4827 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:51,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 4827 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:51,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2024-12-02 15:15:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3404. [2024-12-02 15:15:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3404 states, 3378 states have (on average 1.4020130254588514) internal successors, (4736), 3378 states have internal predecessors, (4736), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 3404 states and 4784 transitions. [2024-12-02 15:15:51,265 INFO L78 Accepts]: Start accepts. Automaton has 3404 states and 4784 transitions. Word has length 253 [2024-12-02 15:15:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:51,266 INFO L471 AbstractCegarLoop]: Abstraction has 3404 states and 4784 transitions. [2024-12-02 15:15:51,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3404 states and 4784 transitions. [2024-12-02 15:15:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 15:15:51,267 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:51,268 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:51,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-12-02 15:15:51,268 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:51,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:51,268 INFO L85 PathProgramCache]: Analyzing trace with hash -755436397, now seen corresponding path program 1 times [2024-12-02 15:15:51,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:51,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404324915] [2024-12-02 15:15:51,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:51,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:51,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:51,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404324915] [2024-12-02 15:15:51,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404324915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:51,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:51,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:51,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321588657] [2024-12-02 15:15:51,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:51,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:51,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:51,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:51,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:51,842 INFO L87 Difference]: Start difference. First operand 3404 states and 4784 transitions. Second operand has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 7 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:52,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:52,109 INFO L93 Difference]: Finished difference Result 4909 states and 6960 transitions. [2024-12-02 15:15:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:52,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 7 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 253 [2024-12-02 15:15:52,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:52,112 INFO L225 Difference]: With dead ends: 4909 [2024-12-02 15:15:52,112 INFO L226 Difference]: Without dead ends: 3450 [2024-12-02 15:15:52,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:52,114 INFO L435 NwaCegarLoop]: 898 mSDtfsCounter, 1212 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 4457 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:52,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 4457 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2024-12-02 15:15:52,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3420. [2024-12-02 15:15:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3420 states, 3394 states have (on average 1.4018856806128461) internal successors, (4758), 3394 states have internal predecessors, (4758), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4806 transitions. [2024-12-02 15:15:52,143 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4806 transitions. Word has length 253 [2024-12-02 15:15:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:52,143 INFO L471 AbstractCegarLoop]: Abstraction has 3420 states and 4806 transitions. [2024-12-02 15:15:52,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 7 states have internal predecessors, (246), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4806 transitions. [2024-12-02 15:15:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-02 15:15:52,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:52,145 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:52,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-02 15:15:52,146 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:52,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash 195834055, now seen corresponding path program 1 times [2024-12-02 15:15:52,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:52,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248777039] [2024-12-02 15:15:52,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:52,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:52,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248777039] [2024-12-02 15:15:52,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248777039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:52,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:52,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:52,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659184337] [2024-12-02 15:15:52,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:52,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:15:52,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:52,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:15:52,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:15:52,923 INFO L87 Difference]: Start difference. First operand 3420 states and 4806 transitions. Second operand has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:53,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:53,388 INFO L93 Difference]: Finished difference Result 5443 states and 7712 transitions. [2024-12-02 15:15:53,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:15:53,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 254 [2024-12-02 15:15:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:53,391 INFO L225 Difference]: With dead ends: 5443 [2024-12-02 15:15:53,391 INFO L226 Difference]: Without dead ends: 3460 [2024-12-02 15:15:53,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:15:53,393 INFO L435 NwaCegarLoop]: 908 mSDtfsCounter, 1766 mSDsluCounter, 4887 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:53,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5795 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:15:53,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2024-12-02 15:15:53,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3436. [2024-12-02 15:15:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3436 states, 3410 states have (on average 1.4) internal successors, (4774), 3410 states have internal predecessors, (4774), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 4822 transitions. [2024-12-02 15:15:53,420 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 4822 transitions. Word has length 254 [2024-12-02 15:15:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:53,420 INFO L471 AbstractCegarLoop]: Abstraction has 3436 states and 4822 transitions. [2024-12-02 15:15:53,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:15:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 4822 transitions. [2024-12-02 15:15:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 15:15:53,423 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:53,423 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:53,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-12-02 15:15:53,423 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1413930897, now seen corresponding path program 1 times [2024-12-02 15:15:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:53,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556395815] [2024-12-02 15:15:53,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:53,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556395815] [2024-12-02 15:15:53,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556395815] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:53,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:53,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:53,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461919768] [2024-12-02 15:15:53,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:53,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:53,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:53,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:53,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:53,827 INFO L87 Difference]: Start difference. First operand 3436 states and 4822 transitions. Second operand has 5 states, 5 states have (on average 49.6) internal successors, (248), 5 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:53,881 INFO L93 Difference]: Finished difference Result 5465 states and 7728 transitions. [2024-12-02 15:15:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:53,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.6) internal successors, (248), 5 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 255 [2024-12-02 15:15:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:53,884 INFO L225 Difference]: With dead ends: 5465 [2024-12-02 15:15:53,884 INFO L226 Difference]: Without dead ends: 3484 [2024-12-02 15:15:53,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:53,886 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:53,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3886 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2024-12-02 15:15:53,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3472. [2024-12-02 15:15:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 3446 states have (on average 1.3981427742309924) internal successors, (4818), 3446 states have internal predecessors, (4818), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4866 transitions. [2024-12-02 15:15:53,925 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4866 transitions. Word has length 255 [2024-12-02 15:15:53,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:53,925 INFO L471 AbstractCegarLoop]: Abstraction has 3472 states and 4866 transitions. [2024-12-02 15:15:53,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.6) internal successors, (248), 5 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4866 transitions. [2024-12-02 15:15:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 15:15:53,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:53,939 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:53,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-02 15:15:53,939 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1770398965, now seen corresponding path program 1 times [2024-12-02 15:15:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:53,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348847914] [2024-12-02 15:15:53,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:54,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348847914] [2024-12-02 15:15:54,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348847914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:54,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:54,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:54,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396362017] [2024-12-02 15:15:54,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:54,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:54,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:54,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:54,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:54,246 INFO L87 Difference]: Start difference. First operand 3472 states and 4866 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:54,278 INFO L93 Difference]: Finished difference Result 5606 states and 7910 transitions. [2024-12-02 15:15:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:54,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 255 [2024-12-02 15:15:54,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:54,281 INFO L225 Difference]: With dead ends: 5606 [2024-12-02 15:15:54,281 INFO L226 Difference]: Without dead ends: 3508 [2024-12-02 15:15:54,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:54,283 INFO L435 NwaCegarLoop]: 979 mSDtfsCounter, 0 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:54,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2929 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2024-12-02 15:15:54,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3508. [2024-12-02 15:15:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3508 states, 3482 states have (on average 1.3940264215967835) internal successors, (4854), 3482 states have internal predecessors, (4854), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3508 states and 4902 transitions. [2024-12-02 15:15:54,310 INFO L78 Accepts]: Start accepts. Automaton has 3508 states and 4902 transitions. Word has length 255 [2024-12-02 15:15:54,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:54,311 INFO L471 AbstractCegarLoop]: Abstraction has 3508 states and 4902 transitions. [2024-12-02 15:15:54,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 4902 transitions. [2024-12-02 15:15:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 15:15:54,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:54,313 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:54,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-12-02 15:15:54,313 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:54,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1275801858, now seen corresponding path program 1 times [2024-12-02 15:15:54,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:54,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689909018] [2024-12-02 15:15:54,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:54,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:54,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689909018] [2024-12-02 15:15:54,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689909018] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:54,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:54,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:54,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861465500] [2024-12-02 15:15:54,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:54,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:54,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:54,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:54,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:54,918 INFO L87 Difference]: Start difference. First operand 3508 states and 4902 transitions. Second operand has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 9 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:55,138 INFO L93 Difference]: Finished difference Result 5469 states and 7679 transitions. [2024-12-02 15:15:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:15:55,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 9 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 255 [2024-12-02 15:15:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:55,141 INFO L225 Difference]: With dead ends: 5469 [2024-12-02 15:15:55,141 INFO L226 Difference]: Without dead ends: 3904 [2024-12-02 15:15:55,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:55,142 INFO L435 NwaCegarLoop]: 1121 mSDtfsCounter, 425 mSDsluCounter, 7497 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 8618 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:55,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 8618 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2024-12-02 15:15:55,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3808. [2024-12-02 15:15:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3782 states have (on average 1.38841882601798) internal successors, (5251), 3782 states have internal predecessors, (5251), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5299 transitions. [2024-12-02 15:15:55,197 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5299 transitions. Word has length 255 [2024-12-02 15:15:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:55,197 INFO L471 AbstractCegarLoop]: Abstraction has 3808 states and 5299 transitions. [2024-12-02 15:15:55,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 9 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5299 transitions. [2024-12-02 15:15:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 15:15:55,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:55,200 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:55,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-12-02 15:15:55,200 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:55,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:55,201 INFO L85 PathProgramCache]: Analyzing trace with hash -793070349, now seen corresponding path program 1 times [2024-12-02 15:15:55,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:55,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837000661] [2024-12-02 15:15:55,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:55,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:55,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:55,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837000661] [2024-12-02 15:15:55,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837000661] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:55,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:55,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:55,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757571378] [2024-12-02 15:15:55,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:55,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:55,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:55,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:55,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:55,807 INFO L87 Difference]: Start difference. First operand 3808 states and 5299 transitions. Second operand has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:56,071 INFO L93 Difference]: Finished difference Result 5915 states and 8311 transitions. [2024-12-02 15:15:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 255 [2024-12-02 15:15:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:56,074 INFO L225 Difference]: With dead ends: 5915 [2024-12-02 15:15:56,074 INFO L226 Difference]: Without dead ends: 3808 [2024-12-02 15:15:56,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:56,075 INFO L435 NwaCegarLoop]: 893 mSDtfsCounter, 1008 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:56,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 3634 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2024-12-02 15:15:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2024-12-02 15:15:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3782 states have (on average 1.383130618720254) internal successors, (5231), 3782 states have internal predecessors, (5231), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5279 transitions. [2024-12-02 15:15:56,105 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5279 transitions. Word has length 255 [2024-12-02 15:15:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:56,105 INFO L471 AbstractCegarLoop]: Abstraction has 3808 states and 5279 transitions. [2024-12-02 15:15:56,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5279 transitions. [2024-12-02 15:15:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 15:15:56,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:56,107 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:56,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-12-02 15:15:56,107 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:56,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:56,107 INFO L85 PathProgramCache]: Analyzing trace with hash 463032990, now seen corresponding path program 1 times [2024-12-02 15:15:56,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:56,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605608055] [2024-12-02 15:15:56,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605608055] [2024-12-02 15:15:56,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605608055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:56,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:56,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:56,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493778347] [2024-12-02 15:15:56,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:56,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:56,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:56,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:56,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:56,716 INFO L87 Difference]: Start difference. First operand 3808 states and 5279 transitions. Second operand has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:56,937 INFO L93 Difference]: Finished difference Result 5381 states and 7533 transitions. [2024-12-02 15:15:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:15:56,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 256 [2024-12-02 15:15:56,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:56,940 INFO L225 Difference]: With dead ends: 5381 [2024-12-02 15:15:56,940 INFO L226 Difference]: Without dead ends: 3816 [2024-12-02 15:15:56,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:56,941 INFO L435 NwaCegarLoop]: 954 mSDtfsCounter, 1513 mSDsluCounter, 5675 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:56,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 6629 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2024-12-02 15:15:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3512. [2024-12-02 15:15:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3512 states, 3486 states have (on average 1.3889845094664373) internal successors, (4842), 3486 states have internal predecessors, (4842), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3512 states and 4890 transitions. [2024-12-02 15:15:56,971 INFO L78 Accepts]: Start accepts. Automaton has 3512 states and 4890 transitions. Word has length 256 [2024-12-02 15:15:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:56,971 INFO L471 AbstractCegarLoop]: Abstraction has 3512 states and 4890 transitions. [2024-12-02 15:15:56,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 4890 transitions. [2024-12-02 15:15:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 15:15:56,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:56,973 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:56,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-12-02 15:15:56,973 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:56,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:56,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1350765613, now seen corresponding path program 1 times [2024-12-02 15:15:56,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:56,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402294256] [2024-12-02 15:15:56,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:57,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:57,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402294256] [2024-12-02 15:15:57,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402294256] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:57,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:57,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:15:57,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459930077] [2024-12-02 15:15:57,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:57,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:15:57,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:57,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:15:57,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:57,586 INFO L87 Difference]: Start difference. First operand 3512 states and 4890 transitions. Second operand has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:57,830 INFO L93 Difference]: Finished difference Result 5991 states and 8454 transitions. [2024-12-02 15:15:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:15:57,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 256 [2024-12-02 15:15:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:57,834 INFO L225 Difference]: With dead ends: 5991 [2024-12-02 15:15:57,834 INFO L226 Difference]: Without dead ends: 4270 [2024-12-02 15:15:57,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:15:57,836 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 1774 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:57,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 6681 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2024-12-02 15:15:57,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 3520. [2024-12-02 15:15:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 3494 states have (on average 1.3880938752146537) internal successors, (4850), 3494 states have internal predecessors, (4850), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 4898 transitions. [2024-12-02 15:15:57,866 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 4898 transitions. Word has length 256 [2024-12-02 15:15:57,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:57,866 INFO L471 AbstractCegarLoop]: Abstraction has 3520 states and 4898 transitions. [2024-12-02 15:15:57,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.666666666666668) internal successors, (249), 9 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 4898 transitions. [2024-12-02 15:15:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 15:15:57,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:57,869 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:57,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-12-02 15:15:57,869 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:57,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:57,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1789408699, now seen corresponding path program 1 times [2024-12-02 15:15:57,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:57,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003127680] [2024-12-02 15:15:57,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:57,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:58,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003127680] [2024-12-02 15:15:58,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003127680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:58,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:58,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:58,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647132304] [2024-12-02 15:15:58,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:58,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:58,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:58,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:58,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:58,475 INFO L87 Difference]: Start difference. First operand 3520 states and 4898 transitions. Second operand has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:58,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:58,749 INFO L93 Difference]: Finished difference Result 5033 states and 7072 transitions. [2024-12-02 15:15:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:15:58,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 256 [2024-12-02 15:15:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:58,752 INFO L225 Difference]: With dead ends: 5033 [2024-12-02 15:15:58,752 INFO L226 Difference]: Without dead ends: 3550 [2024-12-02 15:15:58,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:58,754 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 1202 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:58,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 4446 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:15:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2024-12-02 15:15:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3536. [2024-12-02 15:15:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 3510 states have (on average 1.388034188034188) internal successors, (4872), 3510 states have internal predecessors, (4872), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4920 transitions. [2024-12-02 15:15:58,781 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4920 transitions. Word has length 256 [2024-12-02 15:15:58,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:58,782 INFO L471 AbstractCegarLoop]: Abstraction has 3536 states and 4920 transitions. [2024-12-02 15:15:58,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4920 transitions. [2024-12-02 15:15:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 15:15:58,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:58,784 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:58,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-12-02 15:15:58,784 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:58,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash 573759638, now seen corresponding path program 1 times [2024-12-02 15:15:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:58,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472626125] [2024-12-02 15:15:58,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:59,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472626125] [2024-12-02 15:15:59,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472626125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:59,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:59,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:59,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055076952] [2024-12-02 15:15:59,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:59,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:59,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:59,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:59,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:59,105 INFO L87 Difference]: Start difference. First operand 3536 states and 4920 transitions. Second operand has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:59,150 INFO L93 Difference]: Finished difference Result 5179 states and 7268 transitions. [2024-12-02 15:15:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:59,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 257 [2024-12-02 15:15:59,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:59,153 INFO L225 Difference]: With dead ends: 5179 [2024-12-02 15:15:59,153 INFO L226 Difference]: Without dead ends: 3560 [2024-12-02 15:15:59,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:59,154 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3885 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:59,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3885 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:59,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2024-12-02 15:15:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3554. [2024-12-02 15:15:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3554 states, 3528 states have (on average 1.3866213151927438) internal successors, (4892), 3528 states have internal predecessors, (4892), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4940 transitions. [2024-12-02 15:15:59,184 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4940 transitions. Word has length 257 [2024-12-02 15:15:59,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:59,184 INFO L471 AbstractCegarLoop]: Abstraction has 3554 states and 4940 transitions. [2024-12-02 15:15:59,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4940 transitions. [2024-12-02 15:15:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 15:15:59,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:59,186 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:59,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-12-02 15:15:59,186 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:59,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:59,187 INFO L85 PathProgramCache]: Analyzing trace with hash -120101070, now seen corresponding path program 1 times [2024-12-02 15:15:59,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:59,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087860627] [2024-12-02 15:15:59,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:59,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:15:59,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:15:59,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087860627] [2024-12-02 15:15:59,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087860627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:59,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:59,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:15:59,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200420275] [2024-12-02 15:15:59,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:59,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:15:59,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:15:59,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:15:59,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:59,523 INFO L87 Difference]: Start difference. First operand 3554 states and 4940 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:59,556 INFO L93 Difference]: Finished difference Result 5245 states and 7350 transitions. [2024-12-02 15:15:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:59,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 257 [2024-12-02 15:15:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:59,559 INFO L225 Difference]: With dead ends: 5245 [2024-12-02 15:15:59,559 INFO L226 Difference]: Without dead ends: 3572 [2024-12-02 15:15:59,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:15:59,560 INFO L435 NwaCegarLoop]: 977 mSDtfsCounter, 0 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:59,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2923 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:15:59,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2024-12-02 15:15:59,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3572. [2024-12-02 15:15:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3546 states have (on average 1.3852227862380146) internal successors, (4912), 3546 states have internal predecessors, (4912), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:15:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4960 transitions. [2024-12-02 15:15:59,590 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4960 transitions. Word has length 257 [2024-12-02 15:15:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:59,590 INFO L471 AbstractCegarLoop]: Abstraction has 3572 states and 4960 transitions. [2024-12-02 15:15:59,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:15:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4960 transitions. [2024-12-02 15:15:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 15:15:59,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:59,592 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:59,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-12-02 15:15:59,592 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:59,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2084593422, now seen corresponding path program 1 times [2024-12-02 15:15:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:15:59,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283669867] [2024-12-02 15:15:59,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:15:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:00,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:00,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283669867] [2024-12-02 15:16:00,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283669867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:00,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:00,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:00,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136190299] [2024-12-02 15:16:00,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:00,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:00,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:00,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:00,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:00,108 INFO L87 Difference]: Start difference. First operand 3572 states and 4960 transitions. Second operand has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:00,337 INFO L93 Difference]: Finished difference Result 6283 states and 8806 transitions. [2024-12-02 15:16:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:16:00,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 257 [2024-12-02 15:16:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:00,340 INFO L225 Difference]: With dead ends: 6283 [2024-12-02 15:16:00,340 INFO L226 Difference]: Without dead ends: 4348 [2024-12-02 15:16:00,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:00,342 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 2525 mSDsluCounter, 5728 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 6687 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:00,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 6687 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:00,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2024-12-02 15:16:00,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 3576. [2024-12-02 15:16:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3576 states, 3550 states have (on average 1.3847887323943662) internal successors, (4916), 3550 states have internal predecessors, (4916), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3576 states and 4964 transitions. [2024-12-02 15:16:00,373 INFO L78 Accepts]: Start accepts. Automaton has 3576 states and 4964 transitions. Word has length 257 [2024-12-02 15:16:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:00,373 INFO L471 AbstractCegarLoop]: Abstraction has 3576 states and 4964 transitions. [2024-12-02 15:16:00,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 4964 transitions. [2024-12-02 15:16:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:00,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:00,376 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:00,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-12-02 15:16:00,376 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:00,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:00,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1494330015, now seen corresponding path program 1 times [2024-12-02 15:16:00,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:00,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641969716] [2024-12-02 15:16:00,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:00,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:00,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:00,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641969716] [2024-12-02 15:16:00,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641969716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:00,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:00,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444888993] [2024-12-02 15:16:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:00,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:00,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:00,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:00,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:00,662 INFO L87 Difference]: Start difference. First operand 3576 states and 4964 transitions. Second operand has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:00,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:00,710 INFO L93 Difference]: Finished difference Result 6021 states and 8358 transitions. [2024-12-02 15:16:00,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:00,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:00,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:00,713 INFO L225 Difference]: With dead ends: 6021 [2024-12-02 15:16:00,713 INFO L226 Difference]: Without dead ends: 3624 [2024-12-02 15:16:00,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:00,715 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:00,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3886 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2024-12-02 15:16:00,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3612. [2024-12-02 15:16:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3612 states, 3586 states have (on average 1.380925822643614) internal successors, (4952), 3586 states have internal predecessors, (4952), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3612 states and 5000 transitions. [2024-12-02 15:16:00,744 INFO L78 Accepts]: Start accepts. Automaton has 3612 states and 5000 transitions. Word has length 258 [2024-12-02 15:16:00,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:00,744 INFO L471 AbstractCegarLoop]: Abstraction has 3612 states and 5000 transitions. [2024-12-02 15:16:00,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 5000 transitions. [2024-12-02 15:16:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:00,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:00,746 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:00,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-12-02 15:16:00,747 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:00,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:00,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1369220293, now seen corresponding path program 1 times [2024-12-02 15:16:00,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:00,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968695647] [2024-12-02 15:16:00,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:00,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:01,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:01,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968695647] [2024-12-02 15:16:01,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968695647] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:01,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:01,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:01,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723434727] [2024-12-02 15:16:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:01,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:01,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:01,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:01,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:01,128 INFO L87 Difference]: Start difference. First operand 3612 states and 5000 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:01,162 INFO L93 Difference]: Finished difference Result 5946 states and 8265 transitions. [2024-12-02 15:16:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:01,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:01,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:01,165 INFO L225 Difference]: With dead ends: 5946 [2024-12-02 15:16:01,165 INFO L226 Difference]: Without dead ends: 3648 [2024-12-02 15:16:01,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:01,167 INFO L435 NwaCegarLoop]: 978 mSDtfsCounter, 0 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:01,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2926 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2024-12-02 15:16:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3648. [2024-12-02 15:16:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3622 states have (on average 1.3771397018221976) internal successors, (4988), 3622 states have internal predecessors, (4988), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5036 transitions. [2024-12-02 15:16:01,211 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5036 transitions. Word has length 258 [2024-12-02 15:16:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:01,211 INFO L471 AbstractCegarLoop]: Abstraction has 3648 states and 5036 transitions. [2024-12-02 15:16:01,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5036 transitions. [2024-12-02 15:16:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:01,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:01,214 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:01,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-12-02 15:16:01,215 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:01,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1347028383, now seen corresponding path program 1 times [2024-12-02 15:16:01,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:01,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983363504] [2024-12-02 15:16:01,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:01,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:01,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983363504] [2024-12-02 15:16:01,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983363504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:01,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:01,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:01,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212132190] [2024-12-02 15:16:01,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:01,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:01,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:01,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:01,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:01,477 INFO L87 Difference]: Start difference. First operand 3648 states and 5036 transitions. Second operand has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:01,521 INFO L93 Difference]: Finished difference Result 5877 states and 8160 transitions. [2024-12-02 15:16:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:01,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:01,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:01,524 INFO L225 Difference]: With dead ends: 5877 [2024-12-02 15:16:01,524 INFO L226 Difference]: Without dead ends: 3696 [2024-12-02 15:16:01,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:01,526 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:01,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3886 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2024-12-02 15:16:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3684. [2024-12-02 15:16:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 3658 states have (on average 1.373428102788409) internal successors, (5024), 3658 states have internal predecessors, (5024), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 5072 transitions. [2024-12-02 15:16:01,556 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 5072 transitions. Word has length 258 [2024-12-02 15:16:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:01,557 INFO L471 AbstractCegarLoop]: Abstraction has 3684 states and 5072 transitions. [2024-12-02 15:16:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 5072 transitions. [2024-12-02 15:16:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:01,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:01,558 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:01,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-12-02 15:16:01,558 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:01,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:01,559 INFO L85 PathProgramCache]: Analyzing trace with hash -319627105, now seen corresponding path program 1 times [2024-12-02 15:16:01,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:01,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462855216] [2024-12-02 15:16:01,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:01,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:01,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:01,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462855216] [2024-12-02 15:16:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462855216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:01,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:01,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:01,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631074836] [2024-12-02 15:16:01,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:01,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:01,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:01,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:01,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:01,892 INFO L87 Difference]: Start difference. First operand 3684 states and 5072 transitions. Second operand has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:01,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:01,958 INFO L93 Difference]: Finished difference Result 5743 states and 7982 transitions. [2024-12-02 15:16:01,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:01,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:01,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:01,962 INFO L225 Difference]: With dead ends: 5743 [2024-12-02 15:16:01,962 INFO L226 Difference]: Without dead ends: 3724 [2024-12-02 15:16:01,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:01,964 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3885 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:01,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3885 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:01,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2024-12-02 15:16:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3716. [2024-12-02 15:16:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3716 states, 3690 states have (on average 1.3723577235772357) internal successors, (5064), 3690 states have internal predecessors, (5064), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 5112 transitions. [2024-12-02 15:16:02,025 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 5112 transitions. Word has length 258 [2024-12-02 15:16:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:02,025 INFO L471 AbstractCegarLoop]: Abstraction has 3716 states and 5112 transitions. [2024-12-02 15:16:02,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 5112 transitions. [2024-12-02 15:16:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:02,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:02,029 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:02,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-12-02 15:16:02,030 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:02,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash 990560315, now seen corresponding path program 1 times [2024-12-02 15:16:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658576886] [2024-12-02 15:16:02,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:02,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:02,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658576886] [2024-12-02 15:16:02,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658576886] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:02,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:02,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:02,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992784973] [2024-12-02 15:16:02,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:02,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:02,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:02,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:02,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:02,443 INFO L87 Difference]: Start difference. First operand 3716 states and 5112 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:02,477 INFO L93 Difference]: Finished difference Result 5878 states and 8159 transitions. [2024-12-02 15:16:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:02,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:02,481 INFO L225 Difference]: With dead ends: 5878 [2024-12-02 15:16:02,481 INFO L226 Difference]: Without dead ends: 3752 [2024-12-02 15:16:02,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:02,483 INFO L435 NwaCegarLoop]: 978 mSDtfsCounter, 0 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:02,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2926 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3752 states. [2024-12-02 15:16:02,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3752 to 3752. [2024-12-02 15:16:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3752 states, 3726 states have (on average 1.3687600644122384) internal successors, (5100), 3726 states have internal predecessors, (5100), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3752 states and 5148 transitions. [2024-12-02 15:16:02,515 INFO L78 Accepts]: Start accepts. Automaton has 3752 states and 5148 transitions. Word has length 258 [2024-12-02 15:16:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:02,515 INFO L471 AbstractCegarLoop]: Abstraction has 3752 states and 5148 transitions. [2024-12-02 15:16:02,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3752 states and 5148 transitions. [2024-12-02 15:16:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:02,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:02,517 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:02,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-12-02 15:16:02,517 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:02,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:02,517 INFO L85 PathProgramCache]: Analyzing trace with hash 850097723, now seen corresponding path program 1 times [2024-12-02 15:16:02,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:02,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038741284] [2024-12-02 15:16:02,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:02,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:02,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:02,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038741284] [2024-12-02 15:16:02,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038741284] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:02,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:02,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483618338] [2024-12-02 15:16:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:02,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:02,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:02,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:02,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:02,826 INFO L87 Difference]: Start difference. First operand 3752 states and 5148 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:02,859 INFO L93 Difference]: Finished difference Result 6487 states and 8876 transitions. [2024-12-02 15:16:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:02,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:02,863 INFO L225 Difference]: With dead ends: 6487 [2024-12-02 15:16:02,863 INFO L226 Difference]: Without dead ends: 3788 [2024-12-02 15:16:02,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:02,865 INFO L435 NwaCegarLoop]: 978 mSDtfsCounter, 0 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:02,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2926 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3788 states. [2024-12-02 15:16:02,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3788 to 3788. [2024-12-02 15:16:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3762 states have (on average 1.365231259968102) internal successors, (5136), 3762 states have internal predecessors, (5136), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5184 transitions. [2024-12-02 15:16:02,900 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5184 transitions. Word has length 258 [2024-12-02 15:16:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:02,900 INFO L471 AbstractCegarLoop]: Abstraction has 3788 states and 5184 transitions. [2024-12-02 15:16:02,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5184 transitions. [2024-12-02 15:16:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:02,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:02,903 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:02,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-12-02 15:16:02,903 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash -950271870, now seen corresponding path program 1 times [2024-12-02 15:16:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:02,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819062888] [2024-12-02 15:16:02,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:02,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:03,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819062888] [2024-12-02 15:16:03,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819062888] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:03,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:03,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512840009] [2024-12-02 15:16:03,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:03,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:03,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:03,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:03,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:03,362 INFO L87 Difference]: Start difference. First operand 3788 states and 5184 transitions. Second operand has 9 states, 9 states have (on average 27.88888888888889) internal successors, (251), 9 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:03,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:03,621 INFO L93 Difference]: Finished difference Result 6506 states and 9021 transitions. [2024-12-02 15:16:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:16:03,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.88888888888889) internal successors, (251), 9 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:03,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:03,626 INFO L225 Difference]: With dead ends: 6506 [2024-12-02 15:16:03,626 INFO L226 Difference]: Without dead ends: 4568 [2024-12-02 15:16:03,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:03,629 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 2512 mSDsluCounter, 5728 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 6687 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:03,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 6687 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2024-12-02 15:16:03,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 3792. [2024-12-02 15:16:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3792 states, 3766 states have (on average 1.364843335103558) internal successors, (5140), 3766 states have internal predecessors, (5140), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 5188 transitions. [2024-12-02 15:16:03,664 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 5188 transitions. Word has length 258 [2024-12-02 15:16:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:03,664 INFO L471 AbstractCegarLoop]: Abstraction has 3792 states and 5188 transitions. [2024-12-02 15:16:03,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.88888888888889) internal successors, (251), 9 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 5188 transitions. [2024-12-02 15:16:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:16:03,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:03,667 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:03,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-12-02 15:16:03,667 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:03,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1680793015, now seen corresponding path program 1 times [2024-12-02 15:16:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:03,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037554122] [2024-12-02 15:16:03,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:04,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:04,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037554122] [2024-12-02 15:16:04,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037554122] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:04,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:04,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:16:04,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735973828] [2024-12-02 15:16:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:04,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:16:04,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:04,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:16:04,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:04,338 INFO L87 Difference]: Start difference. First operand 3792 states and 5188 transitions. Second operand has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:04,618 INFO L93 Difference]: Finished difference Result 5362 states and 7421 transitions. [2024-12-02 15:16:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:16:04,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 258 [2024-12-02 15:16:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:04,622 INFO L225 Difference]: With dead ends: 5362 [2024-12-02 15:16:04,622 INFO L226 Difference]: Without dead ends: 3812 [2024-12-02 15:16:04,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:04,623 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 1409 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:04,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 4425 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:04,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2024-12-02 15:16:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3708. [2024-12-02 15:16:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3708 states, 3682 states have (on average 1.3655621944595329) internal successors, (5028), 3682 states have internal predecessors, (5028), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3708 states to 3708 states and 5076 transitions. [2024-12-02 15:16:04,667 INFO L78 Accepts]: Start accepts. Automaton has 3708 states and 5076 transitions. Word has length 258 [2024-12-02 15:16:04,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:04,668 INFO L471 AbstractCegarLoop]: Abstraction has 3708 states and 5076 transitions. [2024-12-02 15:16:04,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 5076 transitions. [2024-12-02 15:16:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-12-02 15:16:04,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:04,670 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:04,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-12-02 15:16:04,670 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:04,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:04,670 INFO L85 PathProgramCache]: Analyzing trace with hash 772781725, now seen corresponding path program 1 times [2024-12-02 15:16:04,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:04,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163047236] [2024-12-02 15:16:04,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:04,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:05,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:05,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163047236] [2024-12-02 15:16:05,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163047236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:05,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:05,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:16:05,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79768557] [2024-12-02 15:16:05,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:05,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:16:05,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:05,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:16:05,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:05,270 INFO L87 Difference]: Start difference. First operand 3708 states and 5076 transitions. Second operand has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:05,517 INFO L93 Difference]: Finished difference Result 5670 states and 7847 transitions. [2024-12-02 15:16:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:16:05,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 259 [2024-12-02 15:16:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:05,520 INFO L225 Difference]: With dead ends: 5670 [2024-12-02 15:16:05,520 INFO L226 Difference]: Without dead ends: 3708 [2024-12-02 15:16:05,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:05,521 INFO L435 NwaCegarLoop]: 892 mSDtfsCounter, 1004 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:05,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 3627 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2024-12-02 15:16:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3660. [2024-12-02 15:16:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3660 states, 3634 states have (on average 1.3637864611997799) internal successors, (4956), 3634 states have internal predecessors, (4956), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 5004 transitions. [2024-12-02 15:16:05,550 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 5004 transitions. Word has length 259 [2024-12-02 15:16:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:05,550 INFO L471 AbstractCegarLoop]: Abstraction has 3660 states and 5004 transitions. [2024-12-02 15:16:05,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5004 transitions. [2024-12-02 15:16:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-12-02 15:16:05,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:05,552 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:05,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-12-02 15:16:05,552 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:05,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:05,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1470871329, now seen corresponding path program 1 times [2024-12-02 15:16:05,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:05,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696954879] [2024-12-02 15:16:05,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:05,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:06,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:06,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696954879] [2024-12-02 15:16:06,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696954879] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:06,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:06,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:06,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318183706] [2024-12-02 15:16:06,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:06,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:06,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:06,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:06,122 INFO L87 Difference]: Start difference. First operand 3660 states and 5004 transitions. Second operand has 9 states, 9 states have (on average 28.11111111111111) internal successors, (253), 9 states have internal predecessors, (253), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:06,297 INFO L93 Difference]: Finished difference Result 5356 states and 7403 transitions. [2024-12-02 15:16:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:06,297 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.11111111111111) internal successors, (253), 9 states have internal predecessors, (253), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 260 [2024-12-02 15:16:06,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:06,300 INFO L225 Difference]: With dead ends: 5356 [2024-12-02 15:16:06,300 INFO L226 Difference]: Without dead ends: 3766 [2024-12-02 15:16:06,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:06,301 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 1318 mSDsluCounter, 5682 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 6634 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:06,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 6634 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3766 states. [2024-12-02 15:16:06,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3766 to 3702. [2024-12-02 15:16:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3702 states, 3676 states have (on average 1.3628944504896627) internal successors, (5010), 3676 states have internal predecessors, (5010), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 5058 transitions. [2024-12-02 15:16:06,330 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 5058 transitions. Word has length 260 [2024-12-02 15:16:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:06,330 INFO L471 AbstractCegarLoop]: Abstraction has 3702 states and 5058 transitions. [2024-12-02 15:16:06,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.11111111111111) internal successors, (253), 9 states have internal predecessors, (253), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 5058 transitions. [2024-12-02 15:16:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-12-02 15:16:06,332 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:06,332 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:06,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-12-02 15:16:06,332 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:06,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash -750547368, now seen corresponding path program 1 times [2024-12-02 15:16:06,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:06,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337031304] [2024-12-02 15:16:06,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:07,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:07,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337031304] [2024-12-02 15:16:07,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337031304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:07,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:07,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:16:07,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081127504] [2024-12-02 15:16:07,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:07,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:16:07,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:07,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:16:07,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:16:07,050 INFO L87 Difference]: Start difference. First operand 3702 states and 5058 transitions. Second operand has 11 states, 11 states have (on average 23.0) internal successors, (253), 11 states have internal predecessors, (253), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:07,541 INFO L93 Difference]: Finished difference Result 5336 states and 7375 transitions. [2024-12-02 15:16:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:16:07,542 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.0) internal successors, (253), 11 states have internal predecessors, (253), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 260 [2024-12-02 15:16:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:07,544 INFO L225 Difference]: With dead ends: 5336 [2024-12-02 15:16:07,544 INFO L226 Difference]: Without dead ends: 3714 [2024-12-02 15:16:07,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:16:07,546 INFO L435 NwaCegarLoop]: 919 mSDtfsCounter, 1806 mSDsluCounter, 7181 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:07,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 8100 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2024-12-02 15:16:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3706. [2024-12-02 15:16:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3706 states, 3680 states have (on average 1.3625) internal successors, (5014), 3680 states have internal predecessors, (5014), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3706 states and 5062 transitions. [2024-12-02 15:16:07,574 INFO L78 Accepts]: Start accepts. Automaton has 3706 states and 5062 transitions. Word has length 260 [2024-12-02 15:16:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:07,574 INFO L471 AbstractCegarLoop]: Abstraction has 3706 states and 5062 transitions. [2024-12-02 15:16:07,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.0) internal successors, (253), 11 states have internal predecessors, (253), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 5062 transitions. [2024-12-02 15:16:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 15:16:07,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:07,576 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:07,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-12-02 15:16:07,576 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:07,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash 570026893, now seen corresponding path program 1 times [2024-12-02 15:16:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232410763] [2024-12-02 15:16:07,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:07,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:07,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232410763] [2024-12-02 15:16:07,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232410763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:07,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:07,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:07,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896771763] [2024-12-02 15:16:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:07,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:07,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:07,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:07,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:07,850 INFO L87 Difference]: Start difference. First operand 3706 states and 5062 transitions. Second operand has 5 states, 5 states have (on average 50.8) internal successors, (254), 5 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:07,897 INFO L93 Difference]: Finished difference Result 5304 states and 7329 transitions. [2024-12-02 15:16:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:07,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.8) internal successors, (254), 5 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 261 [2024-12-02 15:16:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:07,900 INFO L225 Difference]: With dead ends: 5304 [2024-12-02 15:16:07,900 INFO L226 Difference]: Without dead ends: 3722 [2024-12-02 15:16:07,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:07,901 INFO L435 NwaCegarLoop]: 973 mSDtfsCounter, 2 mSDsluCounter, 2908 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3881 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:07,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3881 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2024-12-02 15:16:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3718. [2024-12-02 15:16:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 3692 states have (on average 1.361863488624052) internal successors, (5028), 3692 states have internal predecessors, (5028), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5076 transitions. [2024-12-02 15:16:07,929 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5076 transitions. Word has length 261 [2024-12-02 15:16:07,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:07,930 INFO L471 AbstractCegarLoop]: Abstraction has 3718 states and 5076 transitions. [2024-12-02 15:16:07,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.8) internal successors, (254), 5 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5076 transitions. [2024-12-02 15:16:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 15:16:07,931 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:07,931 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:07,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-12-02 15:16:07,931 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:07,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash -868432599, now seen corresponding path program 1 times [2024-12-02 15:16:07,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:07,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473817683] [2024-12-02 15:16:07,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:08,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:08,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473817683] [2024-12-02 15:16:08,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473817683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:08,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:08,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:08,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038354339] [2024-12-02 15:16:08,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:08,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:08,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:08,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:08,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:08,268 INFO L87 Difference]: Start difference. First operand 3718 states and 5076 transitions. Second operand has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:08,305 INFO L93 Difference]: Finished difference Result 5348 states and 7385 transitions. [2024-12-02 15:16:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:08,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 261 [2024-12-02 15:16:08,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:08,308 INFO L225 Difference]: With dead ends: 5348 [2024-12-02 15:16:08,308 INFO L226 Difference]: Without dead ends: 3736 [2024-12-02 15:16:08,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:08,309 INFO L435 NwaCegarLoop]: 976 mSDtfsCounter, 0 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:08,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2920 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2024-12-02 15:16:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3736. [2024-12-02 15:16:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3710 states have (on average 1.3606469002695418) internal successors, (5048), 3710 states have internal predecessors, (5048), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5096 transitions. [2024-12-02 15:16:08,338 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5096 transitions. Word has length 261 [2024-12-02 15:16:08,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:08,338 INFO L471 AbstractCegarLoop]: Abstraction has 3736 states and 5096 transitions. [2024-12-02 15:16:08,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5096 transitions. [2024-12-02 15:16:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 15:16:08,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:08,340 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:08,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-12-02 15:16:08,340 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:08,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2040007907, now seen corresponding path program 1 times [2024-12-02 15:16:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:08,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501640627] [2024-12-02 15:16:08,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:08,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501640627] [2024-12-02 15:16:08,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501640627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:08,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:08,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:08,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697862091] [2024-12-02 15:16:08,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:08,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:08,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:08,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:08,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:08,938 INFO L87 Difference]: Start difference. First operand 3736 states and 5096 transitions. Second operand has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:09,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:09,154 INFO L93 Difference]: Finished difference Result 5560 states and 7661 transitions. [2024-12-02 15:16:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:09,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 262 [2024-12-02 15:16:09,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:09,157 INFO L225 Difference]: With dead ends: 5560 [2024-12-02 15:16:09,157 INFO L226 Difference]: Without dead ends: 3810 [2024-12-02 15:16:09,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:09,159 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 1558 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 6620 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:09,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 6620 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:09,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2024-12-02 15:16:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3740. [2024-12-02 15:16:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 3714 states have (on average 1.3602584814216478) internal successors, (5052), 3714 states have internal predecessors, (5052), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5100 transitions. [2024-12-02 15:16:09,188 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5100 transitions. Word has length 262 [2024-12-02 15:16:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:09,189 INFO L471 AbstractCegarLoop]: Abstraction has 3740 states and 5100 transitions. [2024-12-02 15:16:09,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5100 transitions. [2024-12-02 15:16:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 15:16:09,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:09,191 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:09,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-12-02 15:16:09,191 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:09,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 368678367, now seen corresponding path program 1 times [2024-12-02 15:16:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094967190] [2024-12-02 15:16:09,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:09,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:09,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:09,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094967190] [2024-12-02 15:16:09,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094967190] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:09,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:09,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:16:09,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750033066] [2024-12-02 15:16:09,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:09,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:16:09,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:09,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:16:09,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:09,606 INFO L87 Difference]: Start difference. First operand 3740 states and 5100 transitions. Second operand has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:09,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:09,681 INFO L93 Difference]: Finished difference Result 6724 states and 9119 transitions. [2024-12-02 15:16:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:16:09,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 262 [2024-12-02 15:16:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:09,684 INFO L225 Difference]: With dead ends: 6724 [2024-12-02 15:16:09,684 INFO L226 Difference]: Without dead ends: 3800 [2024-12-02 15:16:09,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:09,686 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 1 mSDsluCounter, 4829 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5803 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:09,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5803 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2024-12-02 15:16:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3800. [2024-12-02 15:16:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3800 states, 3774 states have (on average 1.3577106518282989) internal successors, (5124), 3774 states have internal predecessors, (5124), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3800 states and 5172 transitions. [2024-12-02 15:16:09,715 INFO L78 Accepts]: Start accepts. Automaton has 3800 states and 5172 transitions. Word has length 262 [2024-12-02 15:16:09,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:09,715 INFO L471 AbstractCegarLoop]: Abstraction has 3800 states and 5172 transitions. [2024-12-02 15:16:09,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3800 states and 5172 transitions. [2024-12-02 15:16:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 15:16:09,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:09,718 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:09,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-12-02 15:16:09,718 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:09,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:09,718 INFO L85 PathProgramCache]: Analyzing trace with hash -449355784, now seen corresponding path program 1 times [2024-12-02 15:16:09,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:09,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322999603] [2024-12-02 15:16:09,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:10,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322999603] [2024-12-02 15:16:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322999603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:10,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:10,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:16:10,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923964237] [2024-12-02 15:16:10,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:10,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:16:10,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:10,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:16:10,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:16:10,163 INFO L87 Difference]: Start difference. First operand 3800 states and 5172 transitions. Second operand has 6 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:10,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:10,311 INFO L93 Difference]: Finished difference Result 5853 states and 8051 transitions. [2024-12-02 15:16:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:16:10,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 262 [2024-12-02 15:16:10,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:10,315 INFO L225 Difference]: With dead ends: 5853 [2024-12-02 15:16:10,315 INFO L226 Difference]: Without dead ends: 3832 [2024-12-02 15:16:10,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:10,316 INFO L435 NwaCegarLoop]: 941 mSDtfsCounter, 872 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:10,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 3759 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:10,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2024-12-02 15:16:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3816. [2024-12-02 15:16:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 3790 states have (on average 1.354089709762533) internal successors, (5132), 3790 states have internal predecessors, (5132), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5180 transitions. [2024-12-02 15:16:10,346 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5180 transitions. Word has length 262 [2024-12-02 15:16:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:10,346 INFO L471 AbstractCegarLoop]: Abstraction has 3816 states and 5180 transitions. [2024-12-02 15:16:10,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.5) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5180 transitions. [2024-12-02 15:16:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-12-02 15:16:10,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:10,348 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:10,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-12-02 15:16:10,348 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash -900395042, now seen corresponding path program 1 times [2024-12-02 15:16:10,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:10,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234588471] [2024-12-02 15:16:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:10,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:10,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:10,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234588471] [2024-12-02 15:16:10,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234588471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:10,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:10,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821139027] [2024-12-02 15:16:10,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:10,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:10,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:10,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:10,635 INFO L87 Difference]: Start difference. First operand 3816 states and 5180 transitions. Second operand has 5 states, 5 states have (on average 51.2) internal successors, (256), 5 states have internal predecessors, (256), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:10,682 INFO L93 Difference]: Finished difference Result 5821 states and 7983 transitions. [2024-12-02 15:16:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.2) internal successors, (256), 5 states have internal predecessors, (256), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 263 [2024-12-02 15:16:10,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:10,685 INFO L225 Difference]: With dead ends: 5821 [2024-12-02 15:16:10,685 INFO L226 Difference]: Without dead ends: 3848 [2024-12-02 15:16:10,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:10,687 INFO L435 NwaCegarLoop]: 971 mSDtfsCounter, 2 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3874 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:10,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3874 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2024-12-02 15:16:10,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 3840. [2024-12-02 15:16:10,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 3814 states have (on average 1.3523859465128474) internal successors, (5158), 3814 states have internal predecessors, (5158), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5206 transitions. [2024-12-02 15:16:10,718 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5206 transitions. Word has length 263 [2024-12-02 15:16:10,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:10,718 INFO L471 AbstractCegarLoop]: Abstraction has 3840 states and 5206 transitions. [2024-12-02 15:16:10,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.2) internal successors, (256), 5 states have internal predecessors, (256), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5206 transitions. [2024-12-02 15:16:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:10,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:10,720 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:10,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-12-02 15:16:10,720 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:10,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:10,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1023198126, now seen corresponding path program 1 times [2024-12-02 15:16:10,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:10,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989297084] [2024-12-02 15:16:10,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:11,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:11,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989297084] [2024-12-02 15:16:11,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989297084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:11,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:11,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:11,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440766125] [2024-12-02 15:16:11,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:11,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:11,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:11,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:11,310 INFO L87 Difference]: Start difference. First operand 3840 states and 5206 transitions. Second operand has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:11,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:11,529 INFO L93 Difference]: Finished difference Result 5509 states and 7561 transitions. [2024-12-02 15:16:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:11,529 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-12-02 15:16:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:11,532 INFO L225 Difference]: With dead ends: 5509 [2024-12-02 15:16:11,532 INFO L226 Difference]: Without dead ends: 3914 [2024-12-02 15:16:11,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:11,533 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1369 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 6615 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:11,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 6615 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2024-12-02 15:16:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3882. [2024-12-02 15:16:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 3856 states have (on average 1.3516597510373445) internal successors, (5212), 3856 states have internal predecessors, (5212), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5260 transitions. [2024-12-02 15:16:11,564 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5260 transitions. Word has length 264 [2024-12-02 15:16:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:11,564 INFO L471 AbstractCegarLoop]: Abstraction has 3882 states and 5260 transitions. [2024-12-02 15:16:11,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5260 transitions. [2024-12-02 15:16:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:11,566 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:11,566 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:11,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-12-02 15:16:11,566 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:11,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1930179852, now seen corresponding path program 1 times [2024-12-02 15:16:11,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:11,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180482092] [2024-12-02 15:16:11,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:11,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:11,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:11,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180482092] [2024-12-02 15:16:11,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180482092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:11,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:11,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:16:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570606170] [2024-12-02 15:16:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:11,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:16:11,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:11,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:16:11,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:16:11,901 INFO L87 Difference]: Start difference. First operand 3882 states and 5260 transitions. Second operand has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:12,036 INFO L93 Difference]: Finished difference Result 5943 states and 8133 transitions. [2024-12-02 15:16:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:16:12,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-12-02 15:16:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:12,039 INFO L225 Difference]: With dead ends: 5943 [2024-12-02 15:16:12,039 INFO L226 Difference]: Without dead ends: 3898 [2024-12-02 15:16:12,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:12,040 INFO L435 NwaCegarLoop]: 941 mSDtfsCounter, 870 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:12,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 3759 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2024-12-02 15:16:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 3890. [2024-12-02 15:16:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3864 states have (on average 1.3509316770186335) internal successors, (5220), 3864 states have internal predecessors, (5220), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5268 transitions. [2024-12-02 15:16:12,077 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5268 transitions. Word has length 264 [2024-12-02 15:16:12,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:12,078 INFO L471 AbstractCegarLoop]: Abstraction has 3890 states and 5268 transitions. [2024-12-02 15:16:12,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5268 transitions. [2024-12-02 15:16:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:12,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:12,080 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:12,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-12-02 15:16:12,080 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:12,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:12,080 INFO L85 PathProgramCache]: Analyzing trace with hash 765689045, now seen corresponding path program 1 times [2024-12-02 15:16:12,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:12,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888143984] [2024-12-02 15:16:12,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:12,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:12,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888143984] [2024-12-02 15:16:12,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888143984] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:12,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:12,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:12,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811908212] [2024-12-02 15:16:12,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:12,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:12,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:12,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:12,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:12,795 INFO L87 Difference]: Start difference. First operand 3890 states and 5268 transitions. Second operand has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:13,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:13,402 INFO L93 Difference]: Finished difference Result 5813 states and 7953 transitions. [2024-12-02 15:16:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:13,403 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-12-02 15:16:13,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:13,405 INFO L225 Difference]: With dead ends: 5813 [2024-12-02 15:16:13,405 INFO L226 Difference]: Without dead ends: 4040 [2024-12-02 15:16:13,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:13,407 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1290 mSDsluCounter, 6843 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 8059 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:13,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 8059 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:16:13,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2024-12-02 15:16:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 3894. [2024-12-02 15:16:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3894 states, 3868 states have (on average 1.3505687693898656) internal successors, (5224), 3868 states have internal predecessors, (5224), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5272 transitions. [2024-12-02 15:16:13,448 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5272 transitions. Word has length 264 [2024-12-02 15:16:13,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:13,449 INFO L471 AbstractCegarLoop]: Abstraction has 3894 states and 5272 transitions. [2024-12-02 15:16:13,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5272 transitions. [2024-12-02 15:16:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:13,451 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:13,451 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:13,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-12-02 15:16:13,451 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:13,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:13,452 INFO L85 PathProgramCache]: Analyzing trace with hash 958903142, now seen corresponding path program 1 times [2024-12-02 15:16:13,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:13,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469224623] [2024-12-02 15:16:13,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:13,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:13,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:13,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469224623] [2024-12-02 15:16:13,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469224623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:13,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:13,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:13,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081374519] [2024-12-02 15:16:13,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:13,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:13,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:13,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:13,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:13,830 INFO L87 Difference]: Start difference. First operand 3894 states and 5272 transitions. Second operand has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:13,907 INFO L93 Difference]: Finished difference Result 6567 states and 8884 transitions. [2024-12-02 15:16:13,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:13,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-12-02 15:16:13,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:13,911 INFO L225 Difference]: With dead ends: 6567 [2024-12-02 15:16:13,911 INFO L226 Difference]: Without dead ends: 3918 [2024-12-02 15:16:13,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:13,913 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 899 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:13,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 2901 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:13,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2024-12-02 15:16:13,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 3906. [2024-12-02 15:16:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 3880 states have (on average 1.3494845360824743) internal successors, (5236), 3880 states have internal predecessors, (5236), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5284 transitions. [2024-12-02 15:16:13,951 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5284 transitions. Word has length 264 [2024-12-02 15:16:13,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:13,952 INFO L471 AbstractCegarLoop]: Abstraction has 3906 states and 5284 transitions. [2024-12-02 15:16:13,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5284 transitions. [2024-12-02 15:16:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:13,954 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:13,954 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:13,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-12-02 15:16:13,954 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1477374322, now seen corresponding path program 1 times [2024-12-02 15:16:13,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:13,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336687223] [2024-12-02 15:16:13,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:14,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:14,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336687223] [2024-12-02 15:16:14,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336687223] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:14,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:14,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:14,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491571822] [2024-12-02 15:16:14,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:14,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:14,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:14,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:14,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:14,482 INFO L87 Difference]: Start difference. First operand 3906 states and 5284 transitions. Second operand has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:14,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:14,754 INFO L93 Difference]: Finished difference Result 6685 states and 9165 transitions. [2024-12-02 15:16:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:16:14,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-12-02 15:16:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:14,758 INFO L225 Difference]: With dead ends: 6685 [2024-12-02 15:16:14,758 INFO L226 Difference]: Without dead ends: 4779 [2024-12-02 15:16:14,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:14,760 INFO L435 NwaCegarLoop]: 957 mSDtfsCounter, 1773 mSDsluCounter, 5728 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 6685 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:14,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 6685 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4779 states. [2024-12-02 15:16:14,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4779 to 3910. [2024-12-02 15:16:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 3884 states have (on average 1.349124613800206) internal successors, (5240), 3884 states have internal predecessors, (5240), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5288 transitions. [2024-12-02 15:16:14,800 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5288 transitions. Word has length 264 [2024-12-02 15:16:14,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:14,801 INFO L471 AbstractCegarLoop]: Abstraction has 3910 states and 5288 transitions. [2024-12-02 15:16:14,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5288 transitions. [2024-12-02 15:16:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:14,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:14,803 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:14,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-12-02 15:16:14,803 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:14,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:14,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1506921027, now seen corresponding path program 1 times [2024-12-02 15:16:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:14,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274320010] [2024-12-02 15:16:14,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:14,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:15,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274320010] [2024-12-02 15:16:15,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274320010] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:15,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:15,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:16:15,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312943258] [2024-12-02 15:16:15,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:15,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:16:15,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:15,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:16:15,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:16:15,564 INFO L87 Difference]: Start difference. First operand 3910 states and 5288 transitions. Second operand has 12 states, 12 states have (on average 21.416666666666668) internal successors, (257), 12 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:16,101 INFO L93 Difference]: Finished difference Result 6421 states and 8714 transitions. [2024-12-02 15:16:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:16:16,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.416666666666668) internal successors, (257), 12 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 264 [2024-12-02 15:16:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:16,105 INFO L225 Difference]: With dead ends: 6421 [2024-12-02 15:16:16,105 INFO L226 Difference]: Without dead ends: 4788 [2024-12-02 15:16:16,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:16:16,106 INFO L435 NwaCegarLoop]: 1082 mSDtfsCounter, 1537 mSDsluCounter, 8385 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 9467 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:16,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 9467 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4788 states. [2024-12-02 15:16:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4788 to 4390. [2024-12-02 15:16:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 4364 states have (on average 1.3400549954170486) internal successors, (5848), 4364 states have internal predecessors, (5848), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 5896 transitions. [2024-12-02 15:16:16,170 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 5896 transitions. Word has length 264 [2024-12-02 15:16:16,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:16,170 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 5896 transitions. [2024-12-02 15:16:16,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.416666666666668) internal successors, (257), 12 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 5896 transitions. [2024-12-02 15:16:16,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:16:16,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:16,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:16,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-12-02 15:16:16,172 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:16,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:16,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1149771347, now seen corresponding path program 1 times [2024-12-02 15:16:16,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:16,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092163565] [2024-12-02 15:16:16,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:16,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:16,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:16,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092163565] [2024-12-02 15:16:16,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092163565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:16,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:16,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:16:16,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003241471] [2024-12-02 15:16:16,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:16,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:16:16,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:16,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:16:16,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:16:16,991 INFO L87 Difference]: Start difference. First operand 4390 states and 5896 transitions. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:17,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:17,420 INFO L93 Difference]: Finished difference Result 6897 states and 9351 transitions. [2024-12-02 15:16:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:16:17,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 264 [2024-12-02 15:16:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:17,423 INFO L225 Difference]: With dead ends: 6897 [2024-12-02 15:16:17,423 INFO L226 Difference]: Without dead ends: 4438 [2024-12-02 15:16:17,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:16:17,425 INFO L435 NwaCegarLoop]: 905 mSDtfsCounter, 2499 mSDsluCounter, 4860 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 5765 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:17,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 5765 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:16:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4438 states. [2024-12-02 15:16:17,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4438 to 4318. [2024-12-02 15:16:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4318 states, 4292 states have (on average 1.341565703634669) internal successors, (5758), 4292 states have internal predecessors, (5758), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4318 states to 4318 states and 5806 transitions. [2024-12-02 15:16:17,459 INFO L78 Accepts]: Start accepts. Automaton has 4318 states and 5806 transitions. Word has length 264 [2024-12-02 15:16:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:17,459 INFO L471 AbstractCegarLoop]: Abstraction has 4318 states and 5806 transitions. [2024-12-02 15:16:17,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 4318 states and 5806 transitions. [2024-12-02 15:16:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-12-02 15:16:17,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:17,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:17,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-12-02 15:16:17,462 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:17,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:17,462 INFO L85 PathProgramCache]: Analyzing trace with hash 438548854, now seen corresponding path program 1 times [2024-12-02 15:16:17,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:17,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203978342] [2024-12-02 15:16:17,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:17,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:17,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203978342] [2024-12-02 15:16:17,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203978342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:17,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:17,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:17,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330112454] [2024-12-02 15:16:17,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:17,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:17,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:17,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:17,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:17,926 INFO L87 Difference]: Start difference. First operand 4318 states and 5806 transitions. Second operand has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:18,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:18,147 INFO L93 Difference]: Finished difference Result 7592 states and 10310 transitions. [2024-12-02 15:16:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:16:18,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 265 [2024-12-02 15:16:18,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:18,153 INFO L225 Difference]: With dead ends: 7592 [2024-12-02 15:16:18,153 INFO L226 Difference]: Without dead ends: 5449 [2024-12-02 15:16:18,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:18,156 INFO L435 NwaCegarLoop]: 957 mSDtfsCounter, 1779 mSDsluCounter, 5728 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 6685 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:18,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 6685 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:18,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2024-12-02 15:16:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 4322. [2024-12-02 15:16:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4322 states, 4296 states have (on average 1.3407821229050279) internal successors, (5760), 4296 states have internal predecessors, (5760), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 4322 states and 5808 transitions. [2024-12-02 15:16:18,222 INFO L78 Accepts]: Start accepts. Automaton has 4322 states and 5808 transitions. Word has length 265 [2024-12-02 15:16:18,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:18,222 INFO L471 AbstractCegarLoop]: Abstraction has 4322 states and 5808 transitions. [2024-12-02 15:16:18,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4322 states and 5808 transitions. [2024-12-02 15:16:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 15:16:18,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:18,226 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:18,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-12-02 15:16:18,226 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:18,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -971299336, now seen corresponding path program 1 times [2024-12-02 15:16:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233779465] [2024-12-02 15:16:18,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:18,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:18,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233779465] [2024-12-02 15:16:18,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233779465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:18,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:18,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:18,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652409128] [2024-12-02 15:16:18,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:18,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:18,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:18,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:18,580 INFO L87 Difference]: Start difference. First operand 4322 states and 5808 transitions. Second operand has 5 states, 5 states have (on average 51.8) internal successors, (259), 5 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:18,646 INFO L93 Difference]: Finished difference Result 5920 states and 8067 transitions. [2024-12-02 15:16:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.8) internal successors, (259), 5 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 266 [2024-12-02 15:16:18,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:18,650 INFO L225 Difference]: With dead ends: 5920 [2024-12-02 15:16:18,650 INFO L226 Difference]: Without dead ends: 4338 [2024-12-02 15:16:18,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:18,651 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 2 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:18,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3877 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2024-12-02 15:16:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 4334. [2024-12-02 15:16:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4334 states, 4308 states have (on average 1.340297121634169) internal successors, (5774), 4308 states have internal predecessors, (5774), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 4334 states and 5822 transitions. [2024-12-02 15:16:18,690 INFO L78 Accepts]: Start accepts. Automaton has 4334 states and 5822 transitions. Word has length 266 [2024-12-02 15:16:18,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:18,691 INFO L471 AbstractCegarLoop]: Abstraction has 4334 states and 5822 transitions. [2024-12-02 15:16:18,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.8) internal successors, (259), 5 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 4334 states and 5822 transitions. [2024-12-02 15:16:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 15:16:18,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:18,693 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:18,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-12-02 15:16:18,693 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:18,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1825041772, now seen corresponding path program 1 times [2024-12-02 15:16:18,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:18,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952549706] [2024-12-02 15:16:18,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:18,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:19,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:19,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952549706] [2024-12-02 15:16:19,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952549706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:19,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:19,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:19,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226334878] [2024-12-02 15:16:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:19,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:19,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:19,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:19,099 INFO L87 Difference]: Start difference. First operand 4334 states and 5822 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:19,140 INFO L93 Difference]: Finished difference Result 5964 states and 8123 transitions. [2024-12-02 15:16:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 266 [2024-12-02 15:16:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:19,143 INFO L225 Difference]: With dead ends: 5964 [2024-12-02 15:16:19,143 INFO L226 Difference]: Without dead ends: 4352 [2024-12-02 15:16:19,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:19,145 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 0 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:19,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:19,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2024-12-02 15:16:19,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 4352. [2024-12-02 15:16:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4352 states, 4326 states have (on average 1.339343504392048) internal successors, (5794), 4326 states have internal predecessors, (5794), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 5842 transitions. [2024-12-02 15:16:19,182 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 5842 transitions. Word has length 266 [2024-12-02 15:16:19,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:19,182 INFO L471 AbstractCegarLoop]: Abstraction has 4352 states and 5842 transitions. [2024-12-02 15:16:19,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 5842 transitions. [2024-12-02 15:16:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 15:16:19,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:19,185 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:19,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-12-02 15:16:19,185 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:19,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:19,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2120642346, now seen corresponding path program 1 times [2024-12-02 15:16:19,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:19,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112833973] [2024-12-02 15:16:19,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:19,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:19,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:19,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112833973] [2024-12-02 15:16:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112833973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:19,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:16:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460700474] [2024-12-02 15:16:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:19,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:16:19,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:19,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:16:19,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:16:19,960 INFO L87 Difference]: Start difference. First operand 4352 states and 5842 transitions. Second operand has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:20,524 INFO L93 Difference]: Finished difference Result 6010 states and 8179 transitions. [2024-12-02 15:16:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:16:20,524 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 266 [2024-12-02 15:16:20,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:20,527 INFO L225 Difference]: With dead ends: 6010 [2024-12-02 15:16:20,527 INFO L226 Difference]: Without dead ends: 4364 [2024-12-02 15:16:20,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:16:20,529 INFO L435 NwaCegarLoop]: 918 mSDtfsCounter, 1785 mSDsluCounter, 7173 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:20,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 8091 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:20,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2024-12-02 15:16:20,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3900. [2024-12-02 15:16:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 3874 states have (on average 1.3479607640681466) internal successors, (5222), 3874 states have internal predecessors, (5222), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5270 transitions. [2024-12-02 15:16:20,563 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5270 transitions. Word has length 266 [2024-12-02 15:16:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:20,563 INFO L471 AbstractCegarLoop]: Abstraction has 3900 states and 5270 transitions. [2024-12-02 15:16:20,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5270 transitions. [2024-12-02 15:16:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 15:16:20,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:20,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:20,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-12-02 15:16:20,565 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:20,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:20,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1755986497, now seen corresponding path program 1 times [2024-12-02 15:16:20,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:20,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523532186] [2024-12-02 15:16:20,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:21,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:21,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523532186] [2024-12-02 15:16:21,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523532186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:21,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:21,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:16:21,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801003138] [2024-12-02 15:16:21,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:21,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:16:21,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:21,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:16:21,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:16:21,340 INFO L87 Difference]: Start difference. First operand 3900 states and 5270 transitions. Second operand has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:21,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:21,919 INFO L93 Difference]: Finished difference Result 5710 states and 7807 transitions. [2024-12-02 15:16:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:16:21,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 266 [2024-12-02 15:16:21,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:21,922 INFO L225 Difference]: With dead ends: 5710 [2024-12-02 15:16:21,922 INFO L226 Difference]: Without dead ends: 3916 [2024-12-02 15:16:21,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:16:21,923 INFO L435 NwaCegarLoop]: 918 mSDtfsCounter, 1830 mSDsluCounter, 7181 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 8099 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:21,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 8099 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2024-12-02 15:16:21,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3904. [2024-12-02 15:16:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3904 states, 3878 states have (on average 1.3476018566271273) internal successors, (5226), 3878 states have internal predecessors, (5226), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 5274 transitions. [2024-12-02 15:16:21,956 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 5274 transitions. Word has length 266 [2024-12-02 15:16:21,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:21,956 INFO L471 AbstractCegarLoop]: Abstraction has 3904 states and 5274 transitions. [2024-12-02 15:16:21,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 5274 transitions. [2024-12-02 15:16:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 15:16:21,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:21,958 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:21,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-12-02 15:16:21,958 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:21,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:21,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1368918232, now seen corresponding path program 1 times [2024-12-02 15:16:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:21,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296915924] [2024-12-02 15:16:21,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:22,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296915924] [2024-12-02 15:16:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296915924] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:22,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:22,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:22,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728753515] [2024-12-02 15:16:22,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:22,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:22,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:22,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:22,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:22,554 INFO L87 Difference]: Start difference. First operand 3904 states and 5274 transitions. Second operand has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:22,793 INFO L93 Difference]: Finished difference Result 5712 states and 7801 transitions. [2024-12-02 15:16:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:22,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 267 [2024-12-02 15:16:22,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:22,796 INFO L225 Difference]: With dead ends: 5712 [2024-12-02 15:16:22,796 INFO L226 Difference]: Without dead ends: 3946 [2024-12-02 15:16:22,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:22,797 INFO L435 NwaCegarLoop]: 941 mSDtfsCounter, 1530 mSDsluCounter, 5602 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 6543 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:22,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 6543 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:22,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2024-12-02 15:16:22,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3908. [2024-12-02 15:16:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3882 states have (on average 1.3472436888201957) internal successors, (5230), 3882 states have internal predecessors, (5230), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5278 transitions. [2024-12-02 15:16:22,831 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5278 transitions. Word has length 267 [2024-12-02 15:16:22,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:22,832 INFO L471 AbstractCegarLoop]: Abstraction has 3908 states and 5278 transitions. [2024-12-02 15:16:22,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5278 transitions. [2024-12-02 15:16:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 15:16:22,833 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:22,834 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:22,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-12-02 15:16:22,834 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:22,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2018872420, now seen corresponding path program 1 times [2024-12-02 15:16:22,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:22,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943878598] [2024-12-02 15:16:22,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:23,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:23,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943878598] [2024-12-02 15:16:23,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943878598] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:23,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:23,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:23,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138807292] [2024-12-02 15:16:23,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:23,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:23,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:23,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:23,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:23,546 INFO L87 Difference]: Start difference. First operand 3908 states and 5278 transitions. Second operand has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:24,162 INFO L93 Difference]: Finished difference Result 5836 states and 7955 transitions. [2024-12-02 15:16:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:24,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 267 [2024-12-02 15:16:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:24,165 INFO L225 Difference]: With dead ends: 5836 [2024-12-02 15:16:24,165 INFO L226 Difference]: Without dead ends: 4074 [2024-12-02 15:16:24,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:24,166 INFO L435 NwaCegarLoop]: 1206 mSDtfsCounter, 1280 mSDsluCounter, 6831 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 8037 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:24,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 8037 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:16:24,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2024-12-02 15:16:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 3912. [2024-12-02 15:16:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 3886 states have (on average 1.3468862583633556) internal successors, (5234), 3886 states have internal predecessors, (5234), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5282 transitions. [2024-12-02 15:16:24,201 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5282 transitions. Word has length 267 [2024-12-02 15:16:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:24,201 INFO L471 AbstractCegarLoop]: Abstraction has 3912 states and 5282 transitions. [2024-12-02 15:16:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.88888888888889) internal successors, (260), 9 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5282 transitions. [2024-12-02 15:16:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 15:16:24,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:24,204 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:24,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-12-02 15:16:24,204 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:24,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2005693193, now seen corresponding path program 1 times [2024-12-02 15:16:24,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:24,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976714005] [2024-12-02 15:16:24,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:24,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:24,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976714005] [2024-12-02 15:16:24,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976714005] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:24,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:24,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:16:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813167937] [2024-12-02 15:16:24,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:24,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:16:24,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:24,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:16:24,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:24,972 INFO L87 Difference]: Start difference. First operand 3912 states and 5282 transitions. Second operand has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:25,255 INFO L93 Difference]: Finished difference Result 7554 states and 10170 transitions. [2024-12-02 15:16:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:16:25,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 267 [2024-12-02 15:16:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:25,259 INFO L225 Difference]: With dead ends: 7554 [2024-12-02 15:16:25,259 INFO L226 Difference]: Without dead ends: 4008 [2024-12-02 15:16:25,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:25,261 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 946 mSDsluCounter, 4480 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 5380 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:25,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 5380 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2024-12-02 15:16:25,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3972. [2024-12-02 15:16:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 3946 states have (on average 1.3476938672072984) internal successors, (5318), 3946 states have internal predecessors, (5318), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5366 transitions. [2024-12-02 15:16:25,295 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5366 transitions. Word has length 267 [2024-12-02 15:16:25,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:25,295 INFO L471 AbstractCegarLoop]: Abstraction has 3972 states and 5366 transitions. [2024-12-02 15:16:25,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5366 transitions. [2024-12-02 15:16:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-12-02 15:16:25,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:25,297 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:25,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-12-02 15:16:25,297 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:25,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -402130969, now seen corresponding path program 1 times [2024-12-02 15:16:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:25,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553799129] [2024-12-02 15:16:25,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:25,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:25,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:25,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553799129] [2024-12-02 15:16:25,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553799129] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:25,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:25,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:16:25,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194955749] [2024-12-02 15:16:25,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:25,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:16:25,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:25,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:16:25,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:16:25,986 INFO L87 Difference]: Start difference. First operand 3972 states and 5366 transitions. Second operand has 10 states, 10 states have (on average 26.1) internal successors, (261), 10 states have internal predecessors, (261), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:26,466 INFO L93 Difference]: Finished difference Result 6257 states and 8508 transitions. [2024-12-02 15:16:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:16:26,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.1) internal successors, (261), 10 states have internal predecessors, (261), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 268 [2024-12-02 15:16:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:26,469 INFO L225 Difference]: With dead ends: 6257 [2024-12-02 15:16:26,469 INFO L226 Difference]: Without dead ends: 4640 [2024-12-02 15:16:26,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:26,471 INFO L435 NwaCegarLoop]: 898 mSDtfsCounter, 1326 mSDsluCounter, 5578 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 6476 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:26,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 6476 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:26,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2024-12-02 15:16:26,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4190. [2024-12-02 15:16:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4190 states, 4164 states have (on average 1.3443804034582132) internal successors, (5598), 4164 states have internal predecessors, (5598), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5646 transitions. [2024-12-02 15:16:26,507 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5646 transitions. Word has length 268 [2024-12-02 15:16:26,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:26,508 INFO L471 AbstractCegarLoop]: Abstraction has 4190 states and 5646 transitions. [2024-12-02 15:16:26,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.1) internal successors, (261), 10 states have internal predecessors, (261), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5646 transitions. [2024-12-02 15:16:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 15:16:26,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:26,510 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:26,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-12-02 15:16:26,510 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:26,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:26,510 INFO L85 PathProgramCache]: Analyzing trace with hash -674715132, now seen corresponding path program 1 times [2024-12-02 15:16:26,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:26,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645736964] [2024-12-02 15:16:26,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:26,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645736964] [2024-12-02 15:16:26,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645736964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:26,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:26,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:26,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025338602] [2024-12-02 15:16:26,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:26,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:26,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:26,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:26,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:26,796 INFO L87 Difference]: Start difference. First operand 4190 states and 5646 transitions. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:26,867 INFO L93 Difference]: Finished difference Result 6163 states and 8386 transitions. [2024-12-02 15:16:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:26,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 269 [2024-12-02 15:16:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:26,870 INFO L225 Difference]: With dead ends: 6163 [2024-12-02 15:16:26,870 INFO L226 Difference]: Without dead ends: 4230 [2024-12-02 15:16:26,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:26,871 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 2 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:26,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3877 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2024-12-02 15:16:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 4220. [2024-12-02 15:16:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4220 states, 4194 states have (on average 1.3423938960419648) internal successors, (5630), 4194 states have internal predecessors, (5630), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 4220 states and 5678 transitions. [2024-12-02 15:16:26,906 INFO L78 Accepts]: Start accepts. Automaton has 4220 states and 5678 transitions. Word has length 269 [2024-12-02 15:16:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:26,906 INFO L471 AbstractCegarLoop]: Abstraction has 4220 states and 5678 transitions. [2024-12-02 15:16:26,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4220 states and 5678 transitions. [2024-12-02 15:16:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 15:16:26,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:26,909 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:26,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-12-02 15:16:26,909 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:26,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:26,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1306277216, now seen corresponding path program 1 times [2024-12-02 15:16:26,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:26,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272754510] [2024-12-02 15:16:26,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:27,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:27,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272754510] [2024-12-02 15:16:27,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272754510] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:27,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:27,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:27,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263543272] [2024-12-02 15:16:27,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:27,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:27,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:27,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:27,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:27,268 INFO L87 Difference]: Start difference. First operand 4220 states and 5678 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:27,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:27,313 INFO L93 Difference]: Finished difference Result 6291 states and 8544 transitions. [2024-12-02 15:16:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:27,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 269 [2024-12-02 15:16:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:27,316 INFO L225 Difference]: With dead ends: 6291 [2024-12-02 15:16:27,316 INFO L226 Difference]: Without dead ends: 4256 [2024-12-02 15:16:27,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:27,319 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 0 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:27,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4256 states. [2024-12-02 15:16:27,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4256 to 4256. [2024-12-02 15:16:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 4230 states have (on average 1.3399527186761229) internal successors, (5668), 4230 states have internal predecessors, (5668), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 5716 transitions. [2024-12-02 15:16:27,358 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 5716 transitions. Word has length 269 [2024-12-02 15:16:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:27,358 INFO L471 AbstractCegarLoop]: Abstraction has 4256 states and 5716 transitions. [2024-12-02 15:16:27,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 5716 transitions. [2024-12-02 15:16:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:27,360 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:27,360 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:27,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-12-02 15:16:27,360 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:27,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1146653618, now seen corresponding path program 1 times [2024-12-02 15:16:27,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:27,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460640678] [2024-12-02 15:16:27,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:27,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460640678] [2024-12-02 15:16:27,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460640678] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:27,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:27,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:27,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546981526] [2024-12-02 15:16:27,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:27,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:27,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:27,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:27,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:27,924 INFO L87 Difference]: Start difference. First operand 4256 states and 5716 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:28,147 INFO L93 Difference]: Finished difference Result 6183 states and 8392 transitions. [2024-12-02 15:16:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:28,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:28,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:28,150 INFO L225 Difference]: With dead ends: 6183 [2024-12-02 15:16:28,150 INFO L226 Difference]: Without dead ends: 4458 [2024-12-02 15:16:28,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:28,152 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1524 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 6639 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:28,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 6639 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:28,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2024-12-02 15:16:28,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4326. [2024-12-02 15:16:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4326 states, 4300 states have (on average 1.3390697674418606) internal successors, (5758), 4300 states have internal predecessors, (5758), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 5806 transitions. [2024-12-02 15:16:28,202 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 5806 transitions. Word has length 270 [2024-12-02 15:16:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:28,202 INFO L471 AbstractCegarLoop]: Abstraction has 4326 states and 5806 transitions. [2024-12-02 15:16:28,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 5806 transitions. [2024-12-02 15:16:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:28,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:28,204 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:28,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-12-02 15:16:28,204 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:28,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1115986545, now seen corresponding path program 1 times [2024-12-02 15:16:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:28,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229684557] [2024-12-02 15:16:28,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:28,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:28,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229684557] [2024-12-02 15:16:28,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229684557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:28,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:28,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:28,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914528058] [2024-12-02 15:16:28,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:28,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:28,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:28,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:28,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:28,840 INFO L87 Difference]: Start difference. First operand 4326 states and 5806 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:29,023 INFO L93 Difference]: Finished difference Result 6161 states and 8364 transitions. [2024-12-02 15:16:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:29,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:29,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:29,027 INFO L225 Difference]: With dead ends: 6161 [2024-12-02 15:16:29,027 INFO L226 Difference]: Without dead ends: 4464 [2024-12-02 15:16:29,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:29,028 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1254 mSDsluCounter, 5694 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 6645 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:29,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 6645 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4464 states. [2024-12-02 15:16:29,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4464 to 4346. [2024-12-02 15:16:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4320 states have (on average 1.3388888888888888) internal successors, (5784), 4320 states have internal predecessors, (5784), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 5832 transitions. [2024-12-02 15:16:29,064 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 5832 transitions. Word has length 270 [2024-12-02 15:16:29,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:29,065 INFO L471 AbstractCegarLoop]: Abstraction has 4346 states and 5832 transitions. [2024-12-02 15:16:29,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 5832 transitions. [2024-12-02 15:16:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:29,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:29,067 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:29,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-12-02 15:16:29,068 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:29,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:29,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1023076759, now seen corresponding path program 1 times [2024-12-02 15:16:29,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:29,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875256099] [2024-12-02 15:16:29,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:29,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:29,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:29,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875256099] [2024-12-02 15:16:29,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875256099] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:29,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:29,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:29,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934887020] [2024-12-02 15:16:29,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:29,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:29,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:29,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:29,716 INFO L87 Difference]: Start difference. First operand 4346 states and 5832 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:29,941 INFO L93 Difference]: Finished difference Result 6117 states and 8308 transitions. [2024-12-02 15:16:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:29,945 INFO L225 Difference]: With dead ends: 6117 [2024-12-02 15:16:29,945 INFO L226 Difference]: Without dead ends: 4468 [2024-12-02 15:16:29,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:29,946 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1453 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 6609 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:29,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 6609 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:29,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2024-12-02 15:16:29,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 4398. [2024-12-02 15:16:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4372 states have (on average 1.3376029277218664) internal successors, (5848), 4372 states have internal predecessors, (5848), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 5896 transitions. [2024-12-02 15:16:29,984 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 5896 transitions. Word has length 270 [2024-12-02 15:16:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:29,984 INFO L471 AbstractCegarLoop]: Abstraction has 4398 states and 5896 transitions. [2024-12-02 15:16:29,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 5896 transitions. [2024-12-02 15:16:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:29,986 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:29,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:29,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-12-02 15:16:29,986 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:29,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash -752499103, now seen corresponding path program 1 times [2024-12-02 15:16:29,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:29,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616938567] [2024-12-02 15:16:29,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:29,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:30,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:30,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616938567] [2024-12-02 15:16:30,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616938567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:30,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:30,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:30,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356653096] [2024-12-02 15:16:30,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:30,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:30,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:30,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:30,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:30,640 INFO L87 Difference]: Start difference. First operand 4398 states and 5896 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:30,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:30,869 INFO L93 Difference]: Finished difference Result 6085 states and 8268 transitions. [2024-12-02 15:16:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:30,870 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:30,873 INFO L225 Difference]: With dead ends: 6085 [2024-12-02 15:16:30,874 INFO L226 Difference]: Without dead ends: 4472 [2024-12-02 15:16:30,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:30,875 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1230 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 6621 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:30,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 6621 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2024-12-02 15:16:30,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4450. [2024-12-02 15:16:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 4424 states have (on average 1.3363471971066907) internal successors, (5912), 4424 states have internal predecessors, (5912), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 5960 transitions. [2024-12-02 15:16:30,918 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 5960 transitions. Word has length 270 [2024-12-02 15:16:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:30,918 INFO L471 AbstractCegarLoop]: Abstraction has 4450 states and 5960 transitions. [2024-12-02 15:16:30,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 5960 transitions. [2024-12-02 15:16:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:30,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:30,922 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:30,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-12-02 15:16:30,922 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:30,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:30,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1062212304, now seen corresponding path program 1 times [2024-12-02 15:16:30,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:30,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112510822] [2024-12-02 15:16:30,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:32,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:32,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112510822] [2024-12-02 15:16:32,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112510822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:32,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:32,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:16:32,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489378697] [2024-12-02 15:16:32,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:32,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:16:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:32,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:16:32,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:16:32,004 INFO L87 Difference]: Start difference. First operand 4450 states and 5960 transitions. Second operand has 10 states, 10 states have (on average 26.3) internal successors, (263), 10 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:32,523 INFO L93 Difference]: Finished difference Result 7217 states and 9760 transitions. [2024-12-02 15:16:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:16:32,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.3) internal successors, (263), 10 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:32,527 INFO L225 Difference]: With dead ends: 7217 [2024-12-02 15:16:32,527 INFO L226 Difference]: Without dead ends: 5588 [2024-12-02 15:16:32,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:16:32,529 INFO L435 NwaCegarLoop]: 880 mSDtfsCounter, 2192 mSDsluCounter, 5268 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 6148 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:32,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2194 Valid, 6148 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:32,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2024-12-02 15:16:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 4640. [2024-12-02 15:16:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4614 states have (on average 1.3420026007802341) internal successors, (6192), 4614 states have internal predecessors, (6192), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 6240 transitions. [2024-12-02 15:16:32,567 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 6240 transitions. Word has length 270 [2024-12-02 15:16:32,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:32,568 INFO L471 AbstractCegarLoop]: Abstraction has 4640 states and 6240 transitions. [2024-12-02 15:16:32,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.3) internal successors, (263), 10 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 6240 transitions. [2024-12-02 15:16:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:32,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:32,570 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:32,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-12-02 15:16:32,570 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:32,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2090954032, now seen corresponding path program 1 times [2024-12-02 15:16:32,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:32,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303920972] [2024-12-02 15:16:32,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:32,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:33,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:33,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303920972] [2024-12-02 15:16:33,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303920972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:33,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:33,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:33,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334403763] [2024-12-02 15:16:33,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:33,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:33,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:33,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:33,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:33,375 INFO L87 Difference]: Start difference. First operand 4640 states and 6240 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:33,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:33,872 INFO L93 Difference]: Finished difference Result 6483 states and 8850 transitions. [2024-12-02 15:16:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:33,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 270 [2024-12-02 15:16:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:33,876 INFO L225 Difference]: With dead ends: 6483 [2024-12-02 15:16:33,876 INFO L226 Difference]: Without dead ends: 4652 [2024-12-02 15:16:33,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:33,877 INFO L435 NwaCegarLoop]: 884 mSDtfsCounter, 1247 mSDsluCounter, 5240 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 6124 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:33,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 6124 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:33,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2024-12-02 15:16:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4256. [2024-12-02 15:16:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 4230 states have (on average 1.3479905437352246) internal successors, (5702), 4230 states have internal predecessors, (5702), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 5750 transitions. [2024-12-02 15:16:33,916 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 5750 transitions. Word has length 270 [2024-12-02 15:16:33,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:33,916 INFO L471 AbstractCegarLoop]: Abstraction has 4256 states and 5750 transitions. [2024-12-02 15:16:33,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 5750 transitions. [2024-12-02 15:16:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:33,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:33,918 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:33,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-12-02 15:16:33,918 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1070915307, now seen corresponding path program 1 times [2024-12-02 15:16:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434928049] [2024-12-02 15:16:33,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:33,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:34,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:34,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434928049] [2024-12-02 15:16:34,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434928049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:34,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:34,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:16:34,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488632426] [2024-12-02 15:16:34,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:34,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:16:34,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:34,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:16:34,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:34,535 INFO L87 Difference]: Start difference. First operand 4256 states and 5750 transitions. Second operand has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:34,789 INFO L93 Difference]: Finished difference Result 8173 states and 10992 transitions. [2024-12-02 15:16:34,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:16:34,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 270 [2024-12-02 15:16:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:34,792 INFO L225 Difference]: With dead ends: 8173 [2024-12-02 15:16:34,792 INFO L226 Difference]: Without dead ends: 4292 [2024-12-02 15:16:34,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:34,794 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 947 mSDsluCounter, 4460 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:34,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 5360 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:34,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2024-12-02 15:16:34,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4268. [2024-12-02 15:16:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4268 states, 4242 states have (on average 1.3441772748703442) internal successors, (5702), 4242 states have internal predecessors, (5702), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:16:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 5750 transitions. [2024-12-02 15:16:34,829 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 5750 transitions. Word has length 270 [2024-12-02 15:16:34,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:34,830 INFO L471 AbstractCegarLoop]: Abstraction has 4268 states and 5750 transitions. [2024-12-02 15:16:34,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 8 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 5750 transitions. [2024-12-02 15:16:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:16:34,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:34,831 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:34,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-12-02 15:16:34,832 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:34,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash 840398296, now seen corresponding path program 1 times [2024-12-02 15:16:34,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:34,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110293626] [2024-12-02 15:16:34,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:35,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110293626] [2024-12-02 15:16:35,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110293626] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:35,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:35,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:35,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482973037] [2024-12-02 15:16:35,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:35,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:35,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:35,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:35,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:35,084 INFO L87 Difference]: Start difference. First operand 4268 states and 5750 transitions. Second operand has 5 states, 5 states have (on average 52.6) internal successors, (263), 5 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:35,172 INFO L93 Difference]: Finished difference Result 12313 states and 16522 transitions. [2024-12-02 15:16:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 5 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 270 [2024-12-02 15:16:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:35,177 INFO L225 Difference]: With dead ends: 12313 [2024-12-02 15:16:35,178 INFO L226 Difference]: Without dead ends: 8312 [2024-12-02 15:16:35,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:16:35,181 INFO L435 NwaCegarLoop]: 1864 mSDtfsCounter, 894 mSDsluCounter, 4681 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 6545 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:35,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 6545 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:35,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8312 states. [2024-12-02 15:16:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8312 to 4448. [2024-12-02 15:16:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4448 states, 4410 states have (on average 1.3419501133786849) internal successors, (5918), 4410 states have internal predecessors, (5918), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 5990 transitions. [2024-12-02 15:16:35,253 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 5990 transitions. Word has length 270 [2024-12-02 15:16:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:35,254 INFO L471 AbstractCegarLoop]: Abstraction has 4448 states and 5990 transitions. [2024-12-02 15:16:35,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 5 states have internal predecessors, (263), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:16:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 5990 transitions. [2024-12-02 15:16:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-12-02 15:16:35,256 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:35,256 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:35,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-12-02 15:16:35,256 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -857983673, now seen corresponding path program 1 times [2024-12-02 15:16:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:35,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425748022] [2024-12-02 15:16:35,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:35,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:35,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425748022] [2024-12-02 15:16:35,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425748022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:35,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:35,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:35,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627649408] [2024-12-02 15:16:35,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:35,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:35,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:35,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:35,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:35,647 INFO L87 Difference]: Start difference. First operand 4448 states and 5990 transitions. Second operand has 5 states, 5 states have (on average 52.8) internal successors, (264), 5 states have internal predecessors, (264), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:35,722 INFO L93 Difference]: Finished difference Result 7467 states and 10054 transitions. [2024-12-02 15:16:35,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:35,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.8) internal successors, (264), 5 states have internal predecessors, (264), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 271 [2024-12-02 15:16:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:35,727 INFO L225 Difference]: With dead ends: 7467 [2024-12-02 15:16:35,727 INFO L226 Difference]: Without dead ends: 4468 [2024-12-02 15:16:35,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:35,729 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 902 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:35,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 2901 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2024-12-02 15:16:35,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 4456. [2024-12-02 15:16:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4456 states, 4418 states have (on average 1.3413309189678588) internal successors, (5926), 4418 states have internal predecessors, (5926), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:35,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5998 transitions. [2024-12-02 15:16:35,773 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5998 transitions. Word has length 271 [2024-12-02 15:16:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:35,773 INFO L471 AbstractCegarLoop]: Abstraction has 4456 states and 5998 transitions. [2024-12-02 15:16:35,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.8) internal successors, (264), 5 states have internal predecessors, (264), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5998 transitions. [2024-12-02 15:16:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 15:16:35,776 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:35,776 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:35,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2024-12-02 15:16:35,776 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:35,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:35,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1611117078, now seen corresponding path program 1 times [2024-12-02 15:16:35,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:35,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613632455] [2024-12-02 15:16:35,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:35,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:36,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:36,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613632455] [2024-12-02 15:16:36,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613632455] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:36,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:36,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113886658] [2024-12-02 15:16:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:36,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:36,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:36,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:36,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:36,531 INFO L87 Difference]: Start difference. First operand 4456 states and 5998 transitions. Second operand has 9 states, 9 states have (on average 29.444444444444443) internal successors, (265), 9 states have internal predecessors, (265), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:37,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:37,008 INFO L93 Difference]: Finished difference Result 6517 states and 8884 transitions. [2024-12-02 15:16:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:37,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.444444444444443) internal successors, (265), 9 states have internal predecessors, (265), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 272 [2024-12-02 15:16:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:37,011 INFO L225 Difference]: With dead ends: 6517 [2024-12-02 15:16:37,011 INFO L226 Difference]: Without dead ends: 4472 [2024-12-02 15:16:37,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:37,013 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 1239 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 6082 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:37,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 6082 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:16:37,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2024-12-02 15:16:37,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4460. [2024-12-02 15:16:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4460 states, 4422 states have (on average 1.3410221619176843) internal successors, (5930), 4422 states have internal predecessors, (5930), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4460 states and 6002 transitions. [2024-12-02 15:16:37,054 INFO L78 Accepts]: Start accepts. Automaton has 4460 states and 6002 transitions. Word has length 272 [2024-12-02 15:16:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:37,054 INFO L471 AbstractCegarLoop]: Abstraction has 4460 states and 6002 transitions. [2024-12-02 15:16:37,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.444444444444443) internal successors, (265), 9 states have internal predecessors, (265), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4460 states and 6002 transitions. [2024-12-02 15:16:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:16:37,056 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:37,056 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:37,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2024-12-02 15:16:37,056 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:37,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1495983888, now seen corresponding path program 1 times [2024-12-02 15:16:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554952601] [2024-12-02 15:16:37,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:37,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:37,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554952601] [2024-12-02 15:16:37,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554952601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:37,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:37,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:37,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500937617] [2024-12-02 15:16:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:37,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:37,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:37,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:37,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:37,597 INFO L87 Difference]: Start difference. First operand 4460 states and 6002 transitions. Second operand has 9 states, 9 states have (on average 29.555555555555557) internal successors, (266), 9 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:37,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:37,823 INFO L93 Difference]: Finished difference Result 6415 states and 8746 transitions. [2024-12-02 15:16:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:37,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.555555555555557) internal successors, (266), 9 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 273 [2024-12-02 15:16:37,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:37,826 INFO L225 Difference]: With dead ends: 6415 [2024-12-02 15:16:37,826 INFO L226 Difference]: Without dead ends: 4482 [2024-12-02 15:16:37,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:37,828 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1507 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 6639 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:37,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 6639 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2024-12-02 15:16:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 4462. [2024-12-02 15:16:37,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 4424 states have (on average 1.3408679927667269) internal successors, (5932), 4424 states have internal predecessors, (5932), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 6004 transitions. [2024-12-02 15:16:37,869 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 6004 transitions. Word has length 273 [2024-12-02 15:16:37,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:37,870 INFO L471 AbstractCegarLoop]: Abstraction has 4462 states and 6004 transitions. [2024-12-02 15:16:37,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.555555555555557) internal successors, (266), 9 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 6004 transitions. [2024-12-02 15:16:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:16:37,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:37,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:37,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2024-12-02 15:16:37,872 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:37,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -459053044, now seen corresponding path program 1 times [2024-12-02 15:16:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:37,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810575589] [2024-12-02 15:16:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:38,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:38,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810575589] [2024-12-02 15:16:38,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810575589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:38,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:38,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:38,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90105807] [2024-12-02 15:16:38,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:38,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:38,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:38,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:38,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:38,158 INFO L87 Difference]: Start difference. First operand 4462 states and 6004 transitions. Second operand has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:38,228 INFO L93 Difference]: Finished difference Result 6405 states and 8738 transitions. [2024-12-02 15:16:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:38,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 273 [2024-12-02 15:16:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:38,233 INFO L225 Difference]: With dead ends: 6405 [2024-12-02 15:16:38,233 INFO L226 Difference]: Without dead ends: 4492 [2024-12-02 15:16:38,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:38,235 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 2 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:38,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3877 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:38,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-12-02 15:16:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 4484. [2024-12-02 15:16:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4484 states, 4446 states have (on average 1.3400809716599191) internal successors, (5958), 4446 states have internal predecessors, (5958), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 6030 transitions. [2024-12-02 15:16:38,295 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 6030 transitions. Word has length 273 [2024-12-02 15:16:38,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:38,295 INFO L471 AbstractCegarLoop]: Abstraction has 4484 states and 6030 transitions. [2024-12-02 15:16:38,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 6030 transitions. [2024-12-02 15:16:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:16:38,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:38,298 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:38,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2024-12-02 15:16:38,298 INFO L396 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:38,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:38,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1760783628, now seen corresponding path program 1 times [2024-12-02 15:16:38,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:38,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9063221] [2024-12-02 15:16:38,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:38,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:38,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9063221] [2024-12-02 15:16:38,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9063221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:38,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:38,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:38,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523180419] [2024-12-02 15:16:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:38,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:38,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:38,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:38,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:38,598 INFO L87 Difference]: Start difference. First operand 4484 states and 6030 transitions. Second operand has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:38,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:38,661 INFO L93 Difference]: Finished difference Result 6367 states and 8688 transitions. [2024-12-02 15:16:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:38,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 273 [2024-12-02 15:16:38,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:38,665 INFO L225 Difference]: With dead ends: 6367 [2024-12-02 15:16:38,665 INFO L226 Difference]: Without dead ends: 4496 [2024-12-02 15:16:38,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:38,667 INFO L435 NwaCegarLoop]: 972 mSDtfsCounter, 2 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:38,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3877 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:38,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2024-12-02 15:16:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 4494. [2024-12-02 15:16:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4494 states, 4456 states have (on average 1.3397666068222622) internal successors, (5970), 4456 states have internal predecessors, (5970), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 6042 transitions. [2024-12-02 15:16:38,714 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 6042 transitions. Word has length 273 [2024-12-02 15:16:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:38,714 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 6042 transitions. [2024-12-02 15:16:38,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 6042 transitions. [2024-12-02 15:16:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:16:38,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:38,717 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:38,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2024-12-02 15:16:38,717 INFO L396 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:38,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:38,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1155264784, now seen corresponding path program 1 times [2024-12-02 15:16:38,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:38,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030871827] [2024-12-02 15:16:38,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:39,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030871827] [2024-12-02 15:16:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030871827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:39,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149814003] [2024-12-02 15:16:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:39,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:39,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:39,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:39,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:39,118 INFO L87 Difference]: Start difference. First operand 4494 states and 6042 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:39,172 INFO L93 Difference]: Finished difference Result 6407 states and 8740 transitions. [2024-12-02 15:16:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:39,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 273 [2024-12-02 15:16:39,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:39,176 INFO L225 Difference]: With dead ends: 6407 [2024-12-02 15:16:39,176 INFO L226 Difference]: Without dead ends: 4512 [2024-12-02 15:16:39,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:39,178 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 0 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:39,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2024-12-02 15:16:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2024-12-02 15:16:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4474 states have (on average 1.3388466696468484) internal successors, (5990), 4474 states have internal predecessors, (5990), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6062 transitions. [2024-12-02 15:16:39,225 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6062 transitions. Word has length 273 [2024-12-02 15:16:39,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:39,225 INFO L471 AbstractCegarLoop]: Abstraction has 4512 states and 6062 transitions. [2024-12-02 15:16:39,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6062 transitions. [2024-12-02 15:16:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:16:39,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:39,228 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:39,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2024-12-02 15:16:39,228 INFO L396 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:39,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:39,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1117541360, now seen corresponding path program 1 times [2024-12-02 15:16:39,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:39,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827388326] [2024-12-02 15:16:39,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:39,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:39,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827388326] [2024-12-02 15:16:39,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827388326] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:39,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:39,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:39,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818805083] [2024-12-02 15:16:39,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:39,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:39,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:39,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:39,631 INFO L87 Difference]: Start difference. First operand 4512 states and 6062 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:39,682 INFO L93 Difference]: Finished difference Result 6555 states and 8920 transitions. [2024-12-02 15:16:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:39,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 273 [2024-12-02 15:16:39,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:39,685 INFO L225 Difference]: With dead ends: 6555 [2024-12-02 15:16:39,685 INFO L226 Difference]: Without dead ends: 4536 [2024-12-02 15:16:39,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:39,687 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 0 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:39,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:39,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2024-12-02 15:16:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 4536. [2024-12-02 15:16:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 4498 states have (on average 1.3379279679857714) internal successors, (6018), 4498 states have internal predecessors, (6018), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6090 transitions. [2024-12-02 15:16:39,734 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6090 transitions. Word has length 273 [2024-12-02 15:16:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:39,734 INFO L471 AbstractCegarLoop]: Abstraction has 4536 states and 6090 transitions. [2024-12-02 15:16:39,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6090 transitions. [2024-12-02 15:16:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 15:16:39,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:39,736 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:39,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2024-12-02 15:16:39,736 INFO L396 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:39,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1165212553, now seen corresponding path program 1 times [2024-12-02 15:16:39,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:39,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251091160] [2024-12-02 15:16:39,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:39,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:40,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:40,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251091160] [2024-12-02 15:16:40,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251091160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:40,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:40,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:40,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840241806] [2024-12-02 15:16:40,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:40,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:40,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:40,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:40,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:40,269 INFO L87 Difference]: Start difference. First operand 4536 states and 6090 transitions. Second operand has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:40,510 INFO L93 Difference]: Finished difference Result 6725 states and 9128 transitions. [2024-12-02 15:16:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:40,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 274 [2024-12-02 15:16:40,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:40,514 INFO L225 Difference]: With dead ends: 6725 [2024-12-02 15:16:40,514 INFO L226 Difference]: Without dead ends: 4560 [2024-12-02 15:16:40,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:40,516 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1365 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 6649 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:40,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 6649 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4560 states. [2024-12-02 15:16:40,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4560 to 4538. [2024-12-02 15:16:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4538 states, 4500 states have (on average 1.3377777777777777) internal successors, (6020), 4500 states have internal predecessors, (6020), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 6092 transitions. [2024-12-02 15:16:40,563 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 6092 transitions. Word has length 274 [2024-12-02 15:16:40,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:40,563 INFO L471 AbstractCegarLoop]: Abstraction has 4538 states and 6092 transitions. [2024-12-02 15:16:40,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 6092 transitions. [2024-12-02 15:16:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 15:16:40,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:40,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:40,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2024-12-02 15:16:40,565 INFO L396 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:40,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:40,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1286375315, now seen corresponding path program 1 times [2024-12-02 15:16:40,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:40,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907614204] [2024-12-02 15:16:40,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:41,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:41,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907614204] [2024-12-02 15:16:41,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907614204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:41,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:41,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:41,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712129050] [2024-12-02 15:16:41,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:41,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:41,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:41,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:41,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:41,106 INFO L87 Difference]: Start difference. First operand 4538 states and 6092 transitions. Second operand has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:41,331 INFO L93 Difference]: Finished difference Result 6481 states and 8824 transitions. [2024-12-02 15:16:41,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:41,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 274 [2024-12-02 15:16:41,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:41,335 INFO L225 Difference]: With dead ends: 6481 [2024-12-02 15:16:41,335 INFO L226 Difference]: Without dead ends: 4562 [2024-12-02 15:16:41,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:41,337 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1494 mSDsluCounter, 5682 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 6633 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:41,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 6633 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2024-12-02 15:16:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 4540. [2024-12-02 15:16:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4540 states, 4502 states have (on average 1.337627721012883) internal successors, (6022), 4502 states have internal predecessors, (6022), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4540 states to 4540 states and 6094 transitions. [2024-12-02 15:16:41,384 INFO L78 Accepts]: Start accepts. Automaton has 4540 states and 6094 transitions. Word has length 274 [2024-12-02 15:16:41,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:41,385 INFO L471 AbstractCegarLoop]: Abstraction has 4540 states and 6094 transitions. [2024-12-02 15:16:41,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.666666666666668) internal successors, (267), 9 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4540 states and 6094 transitions. [2024-12-02 15:16:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 15:16:41,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:41,387 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-12-02 15:16:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:54,429 INFO L471 AbstractCegarLoop]: Abstraction has 7493 states and 10082 transitions. [2024-12-02 15:16:54,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.77777777777778) internal successors, (268), 9 states have internal predecessors, (268), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 10082 transitions. [2024-12-02 15:16:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:16:54,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:54,432 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:54,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2024-12-02 15:16:54,432 INFO L396 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:54,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:54,432 INFO L85 PathProgramCache]: Analyzing trace with hash -975846304, now seen corresponding path program 1 times [2024-12-02 15:16:54,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:54,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013942467] [2024-12-02 15:16:54,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:54,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:54,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013942467] [2024-12-02 15:16:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013942467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:54,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:54,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:54,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554393213] [2024-12-02 15:16:54,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:54,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:54,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:54,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:54,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:54,712 INFO L87 Difference]: Start difference. First operand 7493 states and 10082 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:54,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:54,784 INFO L93 Difference]: Finished difference Result 11661 states and 15893 transitions. [2024-12-02 15:16:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:54,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 276 [2024-12-02 15:16:54,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:54,790 INFO L225 Difference]: With dead ends: 11661 [2024-12-02 15:16:54,790 INFO L226 Difference]: Without dead ends: 7199 [2024-12-02 15:16:54,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:16:54,793 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 176 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 3887 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:54,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 3887 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:54,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7199 states. [2024-12-02 15:16:54,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7199 to 7199. [2024-12-02 15:16:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7199 states, 7152 states have (on average 1.3456375838926173) internal successors, (9624), 7152 states have internal predecessors, (9624), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:16:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7199 states to 7199 states and 9714 transitions. [2024-12-02 15:16:54,858 INFO L78 Accepts]: Start accepts. Automaton has 7199 states and 9714 transitions. Word has length 276 [2024-12-02 15:16:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:54,858 INFO L471 AbstractCegarLoop]: Abstraction has 7199 states and 9714 transitions. [2024-12-02 15:16:54,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7199 states and 9714 transitions. [2024-12-02 15:16:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:16:54,861 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:54,862 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:54,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2024-12-02 15:16:54,862 INFO L396 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:54,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:54,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1522615116, now seen corresponding path program 1 times [2024-12-02 15:16:54,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:54,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869691055] [2024-12-02 15:16:54,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:54,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:55,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:55,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869691055] [2024-12-02 15:16:55,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869691055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:55,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:55,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:16:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391547164] [2024-12-02 15:16:55,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:55,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:16:55,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:55,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:16:55,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:16:55,477 INFO L87 Difference]: Start difference. First operand 7199 states and 9714 transitions. Second operand has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:55,777 INFO L93 Difference]: Finished difference Result 11473 states and 15548 transitions. [2024-12-02 15:16:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:16:55,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 276 [2024-12-02 15:16:55,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:55,782 INFO L225 Difference]: With dead ends: 11473 [2024-12-02 15:16:55,782 INFO L226 Difference]: Without dead ends: 6185 [2024-12-02 15:16:55,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:16:55,785 INFO L435 NwaCegarLoop]: 945 mSDtfsCounter, 2387 mSDsluCounter, 4684 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 5629 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:55,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 5629 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:55,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2024-12-02 15:16:55,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 4882. [2024-12-02 15:16:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4882 states, 4844 states have (on average 1.3352601156069364) internal successors, (6468), 4844 states have internal predecessors, (6468), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 6540 transitions. [2024-12-02 15:16:55,838 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 6540 transitions. Word has length 276 [2024-12-02 15:16:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:55,838 INFO L471 AbstractCegarLoop]: Abstraction has 4882 states and 6540 transitions. [2024-12-02 15:16:55,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 6540 transitions. [2024-12-02 15:16:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:16:55,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:55,840 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:55,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2024-12-02 15:16:55,840 INFO L396 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:55,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:55,840 INFO L85 PathProgramCache]: Analyzing trace with hash 478123552, now seen corresponding path program 1 times [2024-12-02 15:16:55,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:55,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141653406] [2024-12-02 15:16:55,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:55,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:56,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:56,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141653406] [2024-12-02 15:16:56,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141653406] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:56,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:56,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:56,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579727638] [2024-12-02 15:16:56,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:56,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:56,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:56,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:56,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:56,369 INFO L87 Difference]: Start difference. First operand 4882 states and 6540 transitions. Second operand has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:56,586 INFO L93 Difference]: Finished difference Result 7089 states and 9628 transitions. [2024-12-02 15:16:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:56,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 276 [2024-12-02 15:16:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:56,590 INFO L225 Difference]: With dead ends: 7089 [2024-12-02 15:16:56,591 INFO L226 Difference]: Without dead ends: 4938 [2024-12-02 15:16:56,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:56,592 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 1482 mSDsluCounter, 5692 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 6645 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:56,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 6645 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:16:56,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2024-12-02 15:16:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4884. [2024-12-02 15:16:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 4846 states have (on average 1.3351217498968222) internal successors, (6470), 4846 states have internal predecessors, (6470), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 6542 transitions. [2024-12-02 15:16:56,640 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 6542 transitions. Word has length 276 [2024-12-02 15:16:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:56,640 INFO L471 AbstractCegarLoop]: Abstraction has 4884 states and 6542 transitions. [2024-12-02 15:16:56,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 6542 transitions. [2024-12-02 15:16:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:16:56,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:56,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:56,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2024-12-02 15:16:56,642 INFO L396 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:56,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:56,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1503770501, now seen corresponding path program 1 times [2024-12-02 15:16:56,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:56,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526791344] [2024-12-02 15:16:56,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:56,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:57,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526791344] [2024-12-02 15:16:57,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526791344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:57,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:57,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056996708] [2024-12-02 15:16:57,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:57,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:57,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:57,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:57,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:57,167 INFO L87 Difference]: Start difference. First operand 4884 states and 6542 transitions. Second operand has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:57,446 INFO L93 Difference]: Finished difference Result 7263 states and 9840 transitions. [2024-12-02 15:16:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:57,446 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 276 [2024-12-02 15:16:57,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:57,450 INFO L225 Difference]: With dead ends: 7263 [2024-12-02 15:16:57,450 INFO L226 Difference]: Without dead ends: 4940 [2024-12-02 15:16:57,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:16:57,452 INFO L435 NwaCegarLoop]: 943 mSDtfsCounter, 1522 mSDsluCounter, 5636 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:57,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 6579 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2024-12-02 15:16:57,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4886. [2024-12-02 15:16:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 4848 states have (on average 1.334983498349835) internal successors, (6472), 4848 states have internal predecessors, (6472), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 6544 transitions. [2024-12-02 15:16:57,500 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 6544 transitions. Word has length 276 [2024-12-02 15:16:57,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:57,500 INFO L471 AbstractCegarLoop]: Abstraction has 4886 states and 6544 transitions. [2024-12-02 15:16:57,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.88888888888889) internal successors, (269), 9 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 6544 transitions. [2024-12-02 15:16:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:16:57,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:57,502 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:57,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2024-12-02 15:16:57,503 INFO L396 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:57,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:57,503 INFO L85 PathProgramCache]: Analyzing trace with hash 527293030, now seen corresponding path program 1 times [2024-12-02 15:16:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458161053] [2024-12-02 15:16:57,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:57,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:57,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458161053] [2024-12-02 15:16:57,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458161053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:57,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:57,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:57,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995015915] [2024-12-02 15:16:57,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:57,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:57,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:57,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:57,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:57,855 INFO L87 Difference]: Start difference. First operand 4886 states and 6544 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:57,937 INFO L93 Difference]: Finished difference Result 7943 states and 10696 transitions. [2024-12-02 15:16:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:57,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 276 [2024-12-02 15:16:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:57,941 INFO L225 Difference]: With dead ends: 7943 [2024-12-02 15:16:57,941 INFO L226 Difference]: Without dead ends: 4902 [2024-12-02 15:16:57,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:16:57,943 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 878 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:57,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 2901 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:57,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2024-12-02 15:16:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 4826. [2024-12-02 15:16:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4826 states, 4788 states have (on average 1.3366750208855471) internal successors, (6400), 4788 states have internal predecessors, (6400), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6472 transitions. [2024-12-02 15:16:57,991 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6472 transitions. Word has length 276 [2024-12-02 15:16:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:57,991 INFO L471 AbstractCegarLoop]: Abstraction has 4826 states and 6472 transitions. [2024-12-02 15:16:57,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6472 transitions. [2024-12-02 15:16:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:16:57,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:57,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:57,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2024-12-02 15:16:57,993 INFO L396 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:57,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:57,994 INFO L85 PathProgramCache]: Analyzing trace with hash -328613464, now seen corresponding path program 1 times [2024-12-02 15:16:57,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:57,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990346554] [2024-12-02 15:16:57,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:57,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:58,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:58,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990346554] [2024-12-02 15:16:58,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990346554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:58,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:58,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:16:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776392057] [2024-12-02 15:16:58,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:58,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:16:58,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:58,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:16:58,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:16:58,620 INFO L87 Difference]: Start difference. First operand 4826 states and 6472 transitions. Second operand has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:58,887 INFO L93 Difference]: Finished difference Result 7178 states and 9738 transitions. [2024-12-02 15:16:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:16:58,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 277 [2024-12-02 15:16:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:58,892 INFO L225 Difference]: With dead ends: 7178 [2024-12-02 15:16:58,892 INFO L226 Difference]: Without dead ends: 4886 [2024-12-02 15:16:58,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:16:58,894 INFO L435 NwaCegarLoop]: 937 mSDtfsCounter, 1384 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:58,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 6533 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:16:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2024-12-02 15:16:58,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4830. [2024-12-02 15:16:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 4792 states have (on average 1.3363939899833055) internal successors, (6404), 4792 states have internal predecessors, (6404), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 6476 transitions. [2024-12-02 15:16:58,941 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 6476 transitions. Word has length 277 [2024-12-02 15:16:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:58,941 INFO L471 AbstractCegarLoop]: Abstraction has 4830 states and 6476 transitions. [2024-12-02 15:16:58,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 6476 transitions. [2024-12-02 15:16:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:16:58,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:58,944 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:58,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2024-12-02 15:16:58,944 INFO L396 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:58,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash 276798020, now seen corresponding path program 1 times [2024-12-02 15:16:58,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:58,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743596470] [2024-12-02 15:16:58,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:58,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:59,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:59,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743596470] [2024-12-02 15:16:59,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743596470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:59,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:59,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:16:59,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674940819] [2024-12-02 15:16:59,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:59,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:16:59,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:59,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:16:59,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:59,338 INFO L87 Difference]: Start difference. First operand 4830 states and 6476 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:59,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:59,402 INFO L93 Difference]: Finished difference Result 7164 states and 9724 transitions. [2024-12-02 15:16:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:16:59,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 277 [2024-12-02 15:16:59,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:59,406 INFO L225 Difference]: With dead ends: 7164 [2024-12-02 15:16:59,406 INFO L226 Difference]: Without dead ends: 4854 [2024-12-02 15:16:59,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:16:59,408 INFO L435 NwaCegarLoop]: 978 mSDtfsCounter, 0 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:59,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2922 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:59,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2024-12-02 15:16:59,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4854. [2024-12-02 15:16:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4854 states, 4816 states have (on average 1.3355481727574752) internal successors, (6432), 4816 states have internal predecessors, (6432), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4854 states to 4854 states and 6504 transitions. [2024-12-02 15:16:59,456 INFO L78 Accepts]: Start accepts. Automaton has 4854 states and 6504 transitions. Word has length 277 [2024-12-02 15:16:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:59,456 INFO L471 AbstractCegarLoop]: Abstraction has 4854 states and 6504 transitions. [2024-12-02 15:16:59,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 6504 transitions. [2024-12-02 15:16:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:16:59,459 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:59,459 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:59,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2024-12-02 15:16:59,459 INFO L396 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:59,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash 853369952, now seen corresponding path program 1 times [2024-12-02 15:16:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067205143] [2024-12-02 15:16:59,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:59,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:16:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:16:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:16:59,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:16:59,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067205143] [2024-12-02 15:16:59,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067205143] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:16:59,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:16:59,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:16:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50753449] [2024-12-02 15:16:59,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:16:59,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:16:59,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:16:59,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:16:59,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:59,783 INFO L87 Difference]: Start difference. First operand 4854 states and 6504 transitions. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:59,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:16:59,848 INFO L93 Difference]: Finished difference Result 7132 states and 9682 transitions. [2024-12-02 15:16:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:16:59,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 277 [2024-12-02 15:16:59,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:16:59,852 INFO L225 Difference]: With dead ends: 7132 [2024-12-02 15:16:59,852 INFO L226 Difference]: Without dead ends: 4886 [2024-12-02 15:16:59,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:16:59,854 INFO L435 NwaCegarLoop]: 974 mSDtfsCounter, 2 mSDsluCounter, 2908 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:16:59,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3882 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:16:59,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2024-12-02 15:16:59,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4878. [2024-12-02 15:16:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4878 states, 4840 states have (on average 1.334710743801653) internal successors, (6460), 4840 states have internal predecessors, (6460), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:16:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4878 states and 6532 transitions. [2024-12-02 15:16:59,901 INFO L78 Accepts]: Start accepts. Automaton has 4878 states and 6532 transitions. Word has length 277 [2024-12-02 15:16:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:16:59,902 INFO L471 AbstractCegarLoop]: Abstraction has 4878 states and 6532 transitions. [2024-12-02 15:16:59,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:16:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 6532 transitions. [2024-12-02 15:16:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:16:59,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:16:59,904 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:16:59,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2024-12-02 15:16:59,904 INFO L396 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:16:59,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:16:59,904 INFO L85 PathProgramCache]: Analyzing trace with hash -708801006, now seen corresponding path program 1 times [2024-12-02 15:16:59,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:16:59,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068342468] [2024-12-02 15:16:59,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:16:59,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:00,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068342468] [2024-12-02 15:17:00,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068342468] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:00,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:00,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:17:00,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369425873] [2024-12-02 15:17:00,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:00,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:17:00,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:00,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:17:00,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:17:00,543 INFO L87 Difference]: Start difference. First operand 4878 states and 6532 transitions. Second operand has 8 states, 8 states have (on average 33.75) internal successors, (270), 8 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:00,808 INFO L93 Difference]: Finished difference Result 7672 states and 10366 transitions. [2024-12-02 15:17:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:17:00,808 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.75) internal successors, (270), 8 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 277 [2024-12-02 15:17:00,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:00,812 INFO L225 Difference]: With dead ends: 7672 [2024-12-02 15:17:00,813 INFO L226 Difference]: Without dead ends: 5480 [2024-12-02 15:17:00,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:17:00,815 INFO L435 NwaCegarLoop]: 950 mSDtfsCounter, 1096 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 5689 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:00,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 5689 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:17:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5480 states. [2024-12-02 15:17:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5480 to 5314. [2024-12-02 15:17:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 5276 states have (on average 1.3290371493555724) internal successors, (7012), 5276 states have internal predecessors, (7012), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:17:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7084 transitions. [2024-12-02 15:17:00,869 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7084 transitions. Word has length 277 [2024-12-02 15:17:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:00,869 INFO L471 AbstractCegarLoop]: Abstraction has 5314 states and 7084 transitions. [2024-12-02 15:17:00,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.75) internal successors, (270), 8 states have internal predecessors, (270), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7084 transitions. [2024-12-02 15:17:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:00,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:00,871 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:00,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2024-12-02 15:17:00,871 INFO L396 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:00,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1710236248, now seen corresponding path program 1 times [2024-12-02 15:17:00,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:00,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560561251] [2024-12-02 15:17:00,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560561251] [2024-12-02 15:17:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560561251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:01,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:01,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:17:01,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759290824] [2024-12-02 15:17:01,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:01,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:17:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:01,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:17:01,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:17:01,407 INFO L87 Difference]: Start difference. First operand 5314 states and 7084 transitions. Second operand has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:01,693 INFO L93 Difference]: Finished difference Result 7704 states and 10394 transitions. [2024-12-02 15:17:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:01,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:01,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:01,698 INFO L225 Difference]: With dead ends: 7704 [2024-12-02 15:17:01,698 INFO L226 Difference]: Without dead ends: 5370 [2024-12-02 15:17:01,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:17:01,700 INFO L435 NwaCegarLoop]: 939 mSDtfsCounter, 1512 mSDsluCounter, 5612 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6551 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:01,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 6551 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:17:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2024-12-02 15:17:01,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5316. [2024-12-02 15:17:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5316 states, 5278 states have (on average 1.3289124668435013) internal successors, (7014), 5278 states have internal predecessors, (7014), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:17:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5316 states to 5316 states and 7086 transitions. [2024-12-02 15:17:01,749 INFO L78 Accepts]: Start accepts. Automaton has 5316 states and 7086 transitions. Word has length 278 [2024-12-02 15:17:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:01,749 INFO L471 AbstractCegarLoop]: Abstraction has 5316 states and 7086 transitions. [2024-12-02 15:17:01,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 5316 states and 7086 transitions. [2024-12-02 15:17:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:01,751 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:01,751 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:01,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2024-12-02 15:17:01,751 INFO L396 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:01,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:01,752 INFO L85 PathProgramCache]: Analyzing trace with hash -560809484, now seen corresponding path program 1 times [2024-12-02 15:17:01,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:01,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116525480] [2024-12-02 15:17:01,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:01,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:03,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:03,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116525480] [2024-12-02 15:17:03,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116525480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:03,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:03,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:17:03,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484520527] [2024-12-02 15:17:03,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:03,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:17:03,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:03,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:17:03,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:17:03,092 INFO L87 Difference]: Start difference. First operand 5316 states and 7086 transitions. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:03,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:03,479 INFO L93 Difference]: Finished difference Result 9714 states and 13062 transitions. [2024-12-02 15:17:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:03,479 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:03,484 INFO L225 Difference]: With dead ends: 9714 [2024-12-02 15:17:03,484 INFO L226 Difference]: Without dead ends: 6934 [2024-12-02 15:17:03,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:17:03,486 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 2326 mSDsluCounter, 6624 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 7575 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:03,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 7575 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:17:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6934 states. [2024-12-02 15:17:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6934 to 5444. [2024-12-02 15:17:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 5406 states have (on average 1.3255641879393267) internal successors, (7166), 5406 states have internal predecessors, (7166), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:17:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 7238 transitions. [2024-12-02 15:17:03,541 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 7238 transitions. Word has length 278 [2024-12-02 15:17:03,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:03,541 INFO L471 AbstractCegarLoop]: Abstraction has 5444 states and 7238 transitions. [2024-12-02 15:17:03,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 7238 transitions. [2024-12-02 15:17:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:03,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:03,544 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:03,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2024-12-02 15:17:03,544 INFO L396 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:03,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:03,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1808703782, now seen corresponding path program 1 times [2024-12-02 15:17:03,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:03,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825070126] [2024-12-02 15:17:03,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:04,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:04,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825070126] [2024-12-02 15:17:04,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825070126] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:04,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:04,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:17:04,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805079333] [2024-12-02 15:17:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:17:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:04,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:17:04,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:17:04,426 INFO L87 Difference]: Start difference. First operand 5444 states and 7238 transitions. Second operand has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:04,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:04,867 INFO L93 Difference]: Finished difference Result 12904 states and 17184 transitions. [2024-12-02 15:17:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:17:04,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:04,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:04,875 INFO L225 Difference]: With dead ends: 12904 [2024-12-02 15:17:04,875 INFO L226 Difference]: Without dead ends: 8185 [2024-12-02 15:17:04,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:17:04,881 INFO L435 NwaCegarLoop]: 1843 mSDtfsCounter, 1783 mSDsluCounter, 9973 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 11816 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:04,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 11816 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2024-12-02 15:17:04,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 8183. [2024-12-02 15:17:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8183 states, 8139 states have (on average 1.330630298562477) internal successors, (10830), 8139 states have internal predecessors, (10830), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8183 states to 8183 states and 10914 transitions. [2024-12-02 15:17:04,981 INFO L78 Accepts]: Start accepts. Automaton has 8183 states and 10914 transitions. Word has length 278 [2024-12-02 15:17:04,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:04,982 INFO L471 AbstractCegarLoop]: Abstraction has 8183 states and 10914 transitions. [2024-12-02 15:17:04,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8183 states and 10914 transitions. [2024-12-02 15:17:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:04,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:04,985 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:04,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2024-12-02 15:17:04,985 INFO L396 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:04,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:04,986 INFO L85 PathProgramCache]: Analyzing trace with hash 301229657, now seen corresponding path program 1 times [2024-12-02 15:17:04,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:04,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106412299] [2024-12-02 15:17:04,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:04,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:05,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:05,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106412299] [2024-12-02 15:17:05,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106412299] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:05,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:05,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:17:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563757433] [2024-12-02 15:17:05,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:05,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:17:05,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:05,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:17:05,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:17:05,662 INFO L87 Difference]: Start difference. First operand 8183 states and 10914 transitions. Second operand has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:06,007 INFO L93 Difference]: Finished difference Result 13180 states and 17786 transitions. [2024-12-02 15:17:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:06,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:06,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:06,014 INFO L225 Difference]: With dead ends: 13180 [2024-12-02 15:17:06,014 INFO L226 Difference]: Without dead ends: 9279 [2024-12-02 15:17:06,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:17:06,019 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 1134 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 6597 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:06,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 6597 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:17:06,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9279 states. [2024-12-02 15:17:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9279 to 8209. [2024-12-02 15:17:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8209 states, 8165 states have (on average 1.3317819963257809) internal successors, (10874), 8165 states have internal predecessors, (10874), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8209 states to 8209 states and 10958 transitions. [2024-12-02 15:17:06,131 INFO L78 Accepts]: Start accepts. Automaton has 8209 states and 10958 transitions. Word has length 278 [2024-12-02 15:17:06,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:06,132 INFO L471 AbstractCegarLoop]: Abstraction has 8209 states and 10958 transitions. [2024-12-02 15:17:06,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 9 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 8209 states and 10958 transitions. [2024-12-02 15:17:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:06,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:06,137 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:06,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2024-12-02 15:17:06,137 INFO L396 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:06,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1318572231, now seen corresponding path program 1 times [2024-12-02 15:17:06,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:06,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819699393] [2024-12-02 15:17:06,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:06,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:06,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:06,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819699393] [2024-12-02 15:17:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819699393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:06,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:06,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:17:06,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236283631] [2024-12-02 15:17:06,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:06,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:17:06,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:06,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:17:06,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:17:06,573 INFO L87 Difference]: Start difference. First operand 8209 states and 10958 transitions. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:06,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:06,672 INFO L93 Difference]: Finished difference Result 14170 states and 18988 transitions. [2024-12-02 15:17:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:17:06,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:06,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:06,679 INFO L225 Difference]: With dead ends: 14170 [2024-12-02 15:17:06,679 INFO L226 Difference]: Without dead ends: 8241 [2024-12-02 15:17:06,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:17:06,683 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 882 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:06,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 2901 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:17:06,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8241 states. [2024-12-02 15:17:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8241 to 8223. [2024-12-02 15:17:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8223 states, 8179 states have (on average 1.3312140848514489) internal successors, (10888), 8179 states have internal predecessors, (10888), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8223 states to 8223 states and 10972 transitions. [2024-12-02 15:17:06,761 INFO L78 Accepts]: Start accepts. Automaton has 8223 states and 10972 transitions. Word has length 278 [2024-12-02 15:17:06,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:06,762 INFO L471 AbstractCegarLoop]: Abstraction has 8223 states and 10972 transitions. [2024-12-02 15:17:06,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 8223 states and 10972 transitions. [2024-12-02 15:17:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:06,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:06,765 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:06,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2024-12-02 15:17:06,765 INFO L396 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:06,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:06,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1689243827, now seen corresponding path program 1 times [2024-12-02 15:17:06,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:06,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476306571] [2024-12-02 15:17:06,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:07,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:07,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476306571] [2024-12-02 15:17:07,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476306571] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:07,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:07,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:07,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254082267] [2024-12-02 15:17:07,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:07,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:07,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:07,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:07,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:07,528 INFO L87 Difference]: Start difference. First operand 8223 states and 10972 transitions. Second operand has 11 states, 11 states have (on average 24.636363636363637) internal successors, (271), 11 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:08,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:08,108 INFO L93 Difference]: Finished difference Result 13804 states and 18650 transitions. [2024-12-02 15:17:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:08,109 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.636363636363637) internal successors, (271), 11 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:08,116 INFO L225 Difference]: With dead ends: 13804 [2024-12-02 15:17:08,116 INFO L226 Difference]: Without dead ends: 9907 [2024-12-02 15:17:08,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:17:08,119 INFO L435 NwaCegarLoop]: 1033 mSDtfsCounter, 982 mSDsluCounter, 8038 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:08,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 9071 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:08,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9907 states. [2024-12-02 15:17:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9907 to 9365. [2024-12-02 15:17:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 9321 states have (on average 1.3292565175410365) internal successors, (12390), 9321 states have internal predecessors, (12390), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 12474 transitions. [2024-12-02 15:17:08,210 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 12474 transitions. Word has length 278 [2024-12-02 15:17:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:08,210 INFO L471 AbstractCegarLoop]: Abstraction has 9365 states and 12474 transitions. [2024-12-02 15:17:08,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.636363636363637) internal successors, (271), 11 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 12474 transitions. [2024-12-02 15:17:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:17:08,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:08,215 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:08,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2024-12-02 15:17:08,215 INFO L396 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:08,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1006663867, now seen corresponding path program 1 times [2024-12-02 15:17:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:08,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482766627] [2024-12-02 15:17:08,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:08,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:08,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482766627] [2024-12-02 15:17:08,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482766627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:08,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:08,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:17:08,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020772962] [2024-12-02 15:17:08,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:08,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:17:08,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:08,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:17:08,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:17:08,597 INFO L87 Difference]: Start difference. First operand 9365 states and 12474 transitions. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:08,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:08,699 INFO L93 Difference]: Finished difference Result 14772 states and 19920 transitions. [2024-12-02 15:17:08,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:17:08,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 278 [2024-12-02 15:17:08,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:08,707 INFO L225 Difference]: With dead ends: 14772 [2024-12-02 15:17:08,707 INFO L226 Difference]: Without dead ends: 9409 [2024-12-02 15:17:08,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:17:08,712 INFO L435 NwaCegarLoop]: 969 mSDtfsCounter, 843 mSDsluCounter, 1932 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:08,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 2901 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:17:08,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2024-12-02 15:17:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 9389. [2024-12-02 15:17:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9389 states, 9345 states have (on average 1.3286249331193152) internal successors, (12416), 9345 states have internal predecessors, (12416), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9389 states to 9389 states and 12500 transitions. [2024-12-02 15:17:08,814 INFO L78 Accepts]: Start accepts. Automaton has 9389 states and 12500 transitions. Word has length 278 [2024-12-02 15:17:08,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:08,814 INFO L471 AbstractCegarLoop]: Abstraction has 9389 states and 12500 transitions. [2024-12-02 15:17:08,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 9389 states and 12500 transitions. [2024-12-02 15:17:08,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 15:17:08,819 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:08,819 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:08,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2024-12-02 15:17:08,819 INFO L396 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:08,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:08,819 INFO L85 PathProgramCache]: Analyzing trace with hash -556884992, now seen corresponding path program 1 times [2024-12-02 15:17:08,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:08,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786358596] [2024-12-02 15:17:08,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:08,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:09,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:09,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786358596] [2024-12-02 15:17:09,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786358596] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:09,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:09,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:17:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254306112] [2024-12-02 15:17:09,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:09,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:17:09,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:09,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:17:09,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:17:09,568 INFO L87 Difference]: Start difference. First operand 9389 states and 12500 transitions. Second operand has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:09,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:09,671 INFO L93 Difference]: Finished difference Result 19617 states and 26292 transitions. [2024-12-02 15:17:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:17:09,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 279 [2024-12-02 15:17:09,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:09,679 INFO L225 Difference]: With dead ends: 19617 [2024-12-02 15:17:09,679 INFO L226 Difference]: Without dead ends: 10711 [2024-12-02 15:17:09,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:17:09,685 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 753 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:09,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 3832 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:17:09,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10711 states. [2024-12-02 15:17:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10711 to 9389. [2024-12-02 15:17:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9389 states, 9345 states have (on average 1.3276618512573568) internal successors, (12407), 9345 states have internal predecessors, (12407), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9389 states to 9389 states and 12491 transitions. [2024-12-02 15:17:09,790 INFO L78 Accepts]: Start accepts. Automaton has 9389 states and 12491 transitions. Word has length 279 [2024-12-02 15:17:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:09,790 INFO L471 AbstractCegarLoop]: Abstraction has 9389 states and 12491 transitions. [2024-12-02 15:17:09,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 9389 states and 12491 transitions. [2024-12-02 15:17:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 15:17:09,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:09,795 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:09,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2024-12-02 15:17:09,795 INFO L396 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:09,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:09,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1098237495, now seen corresponding path program 1 times [2024-12-02 15:17:09,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:09,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774594394] [2024-12-02 15:17:09,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:09,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:10,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:10,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774594394] [2024-12-02 15:17:10,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774594394] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:10,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:10,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:10,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039982567] [2024-12-02 15:17:10,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:10,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:10,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:10,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:10,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:10,750 INFO L87 Difference]: Start difference. First operand 9389 states and 12491 transitions. Second operand has 11 states, 11 states have (on average 24.727272727272727) internal successors, (272), 11 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:11,229 INFO L93 Difference]: Finished difference Result 14337 states and 19345 transitions. [2024-12-02 15:17:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.727272727272727) internal successors, (272), 11 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 279 [2024-12-02 15:17:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:11,239 INFO L225 Difference]: With dead ends: 14337 [2024-12-02 15:17:11,239 INFO L226 Difference]: Without dead ends: 9864 [2024-12-02 15:17:11,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:17:11,245 INFO L435 NwaCegarLoop]: 988 mSDtfsCounter, 1328 mSDsluCounter, 7811 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 8799 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:11,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 8799 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:11,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2024-12-02 15:17:11,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 9716. [2024-12-02 15:17:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9716 states, 9672 states have (on average 1.3239247311827957) internal successors, (12805), 9672 states have internal predecessors, (12805), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9716 states to 9716 states and 12889 transitions. [2024-12-02 15:17:11,363 INFO L78 Accepts]: Start accepts. Automaton has 9716 states and 12889 transitions. Word has length 279 [2024-12-02 15:17:11,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:11,363 INFO L471 AbstractCegarLoop]: Abstraction has 9716 states and 12889 transitions. [2024-12-02 15:17:11,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.727272727272727) internal successors, (272), 11 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9716 states and 12889 transitions. [2024-12-02 15:17:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 15:17:11,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:11,368 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:11,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2024-12-02 15:17:11,368 INFO L396 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:11,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:11,369 INFO L85 PathProgramCache]: Analyzing trace with hash 56094007, now seen corresponding path program 1 times [2024-12-02 15:17:11,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:11,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135703912] [2024-12-02 15:17:11,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:12,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:12,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135703912] [2024-12-02 15:17:12,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135703912] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:12,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:12,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:17:12,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490020255] [2024-12-02 15:17:12,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:12,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:17:12,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:12,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:17:12,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:17:12,934 INFO L87 Difference]: Start difference. First operand 9716 states and 12889 transitions. Second operand has 14 states, 14 states have (on average 19.428571428571427) internal successors, (272), 14 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:13,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:13,556 INFO L93 Difference]: Finished difference Result 16779 states and 22573 transitions. [2024-12-02 15:17:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:17:13,557 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.428571428571427) internal successors, (272), 14 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 279 [2024-12-02 15:17:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:13,565 INFO L225 Difference]: With dead ends: 16779 [2024-12-02 15:17:13,566 INFO L226 Difference]: Without dead ends: 11465 [2024-12-02 15:17:13,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:17:13,570 INFO L435 NwaCegarLoop]: 948 mSDtfsCounter, 2466 mSDsluCounter, 10368 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 11316 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:13,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 11316 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11465 states. [2024-12-02 15:17:13,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11465 to 9665. [2024-12-02 15:17:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9665 states, 9621 states have (on average 1.324498492880158) internal successors, (12743), 9621 states have internal predecessors, (12743), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9665 states to 9665 states and 12827 transitions. [2024-12-02 15:17:13,682 INFO L78 Accepts]: Start accepts. Automaton has 9665 states and 12827 transitions. Word has length 279 [2024-12-02 15:17:13,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:13,683 INFO L471 AbstractCegarLoop]: Abstraction has 9665 states and 12827 transitions. [2024-12-02 15:17:13,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.428571428571427) internal successors, (272), 14 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 9665 states and 12827 transitions. [2024-12-02 15:17:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 15:17:13,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:13,688 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:13,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2024-12-02 15:17:13,688 INFO L396 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:13,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:13,688 INFO L85 PathProgramCache]: Analyzing trace with hash -261383761, now seen corresponding path program 1 times [2024-12-02 15:17:13,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:13,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204885745] [2024-12-02 15:17:13,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:13,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:15,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204885745] [2024-12-02 15:17:15,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204885745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:15,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:15,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:17:15,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130278593] [2024-12-02 15:17:15,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:15,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:17:15,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:15,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:17:15,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:17:15,504 INFO L87 Difference]: Start difference. First operand 9665 states and 12827 transitions. Second operand has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:16,017 INFO L93 Difference]: Finished difference Result 15355 states and 20952 transitions. [2024-12-02 15:17:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:17:16,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 279 [2024-12-02 15:17:16,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:16,025 INFO L225 Difference]: With dead ends: 15355 [2024-12-02 15:17:16,025 INFO L226 Difference]: Without dead ends: 10995 [2024-12-02 15:17:16,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:17:16,029 INFO L435 NwaCegarLoop]: 908 mSDtfsCounter, 1019 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6244 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:16,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6244 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:16,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10995 states. [2024-12-02 15:17:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10995 to 10735. [2024-12-02 15:17:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10735 states, 10691 states have (on average 1.3412215882518006) internal successors, (14339), 10691 states have internal predecessors, (14339), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10735 states to 10735 states and 14423 transitions. [2024-12-02 15:17:16,129 INFO L78 Accepts]: Start accepts. Automaton has 10735 states and 14423 transitions. Word has length 279 [2024-12-02 15:17:16,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:16,129 INFO L471 AbstractCegarLoop]: Abstraction has 10735 states and 14423 transitions. [2024-12-02 15:17:16,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 10735 states and 14423 transitions. [2024-12-02 15:17:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:16,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:16,133 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:16,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2024-12-02 15:17:16,133 INFO L396 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:16,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:16,133 INFO L85 PathProgramCache]: Analyzing trace with hash 488823893, now seen corresponding path program 1 times [2024-12-02 15:17:16,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:16,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212570343] [2024-12-02 15:17:16,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:16,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:17,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:17,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212570343] [2024-12-02 15:17:17,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212570343] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:17,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:17,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:17:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218586659] [2024-12-02 15:17:17,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:17,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:17:17,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:17,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:17:17,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:17:17,685 INFO L87 Difference]: Start difference. First operand 10735 states and 14423 transitions. Second operand has 14 states, 14 states have (on average 19.5) internal successors, (273), 14 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:18,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:18,993 INFO L93 Difference]: Finished difference Result 40916 states and 55615 transitions. [2024-12-02 15:17:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 15:17:18,994 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.5) internal successors, (273), 14 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:18,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:19,015 INFO L225 Difference]: With dead ends: 40916 [2024-12-02 15:17:19,015 INFO L226 Difference]: Without dead ends: 33857 [2024-12-02 15:17:19,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2024-12-02 15:17:19,024 INFO L435 NwaCegarLoop]: 3025 mSDtfsCounter, 10338 mSDsluCounter, 19304 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10338 SdHoareTripleChecker+Valid, 22329 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:19,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10338 Valid, 22329 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:17:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33857 states. [2024-12-02 15:17:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33857 to 10767. [2024-12-02 15:17:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10767 states, 10723 states have (on average 1.3415089060897136) internal successors, (14385), 10723 states have internal predecessors, (14385), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10767 states to 10767 states and 14469 transitions. [2024-12-02 15:17:19,174 INFO L78 Accepts]: Start accepts. Automaton has 10767 states and 14469 transitions. Word has length 280 [2024-12-02 15:17:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:19,174 INFO L471 AbstractCegarLoop]: Abstraction has 10767 states and 14469 transitions. [2024-12-02 15:17:19,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.5) internal successors, (273), 14 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 10767 states and 14469 transitions. [2024-12-02 15:17:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:19,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:19,178 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:19,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2024-12-02 15:17:19,178 INFO L396 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:19,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:19,178 INFO L85 PathProgramCache]: Analyzing trace with hash 503422638, now seen corresponding path program 1 times [2024-12-02 15:17:19,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:19,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072693614] [2024-12-02 15:17:19,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:19,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:20,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072693614] [2024-12-02 15:17:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072693614] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:20,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:17:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239343876] [2024-12-02 15:17:20,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:20,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:17:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:20,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:17:20,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:17:20,176 INFO L87 Difference]: Start difference. First operand 10767 states and 14469 transitions. Second operand has 10 states, 10 states have (on average 27.3) internal successors, (273), 10 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:20,672 INFO L93 Difference]: Finished difference Result 23786 states and 32025 transitions. [2024-12-02 15:17:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:20,673 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.3) internal successors, (273), 10 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:20,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:20,683 INFO L225 Difference]: With dead ends: 23786 [2024-12-02 15:17:20,683 INFO L226 Difference]: Without dead ends: 16144 [2024-12-02 15:17:20,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:17:20,689 INFO L435 NwaCegarLoop]: 1591 mSDtfsCounter, 2384 mSDsluCounter, 9025 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 10616 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:20,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2384 Valid, 10616 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16144 states. [2024-12-02 15:17:20,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16144 to 10783. [2024-12-02 15:17:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10783 states, 10739 states have (on average 1.34100009311854) internal successors, (14401), 10739 states have internal predecessors, (14401), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10783 states to 10783 states and 14485 transitions. [2024-12-02 15:17:20,796 INFO L78 Accepts]: Start accepts. Automaton has 10783 states and 14485 transitions. Word has length 280 [2024-12-02 15:17:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:20,796 INFO L471 AbstractCegarLoop]: Abstraction has 10783 states and 14485 transitions. [2024-12-02 15:17:20,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.3) internal successors, (273), 10 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10783 states and 14485 transitions. [2024-12-02 15:17:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:20,800 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:20,800 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:20,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2024-12-02 15:17:20,800 INFO L396 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:20,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash 656349525, now seen corresponding path program 1 times [2024-12-02 15:17:20,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597351737] [2024-12-02 15:17:20,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:21,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:21,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597351737] [2024-12-02 15:17:21,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597351737] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:21,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:21,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:21,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311183000] [2024-12-02 15:17:21,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:21,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:21,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:21,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:21,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:21,510 INFO L87 Difference]: Start difference. First operand 10783 states and 14485 transitions. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:21,995 INFO L93 Difference]: Finished difference Result 17393 states and 23685 transitions. [2024-12-02 15:17:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:21,995 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 280 [2024-12-02 15:17:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:22,002 INFO L225 Difference]: With dead ends: 17393 [2024-12-02 15:17:22,002 INFO L226 Difference]: Without dead ends: 10935 [2024-12-02 15:17:22,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:17:22,006 INFO L435 NwaCegarLoop]: 927 mSDtfsCounter, 1603 mSDsluCounter, 6330 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 7257 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:22,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 7257 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10935 states. [2024-12-02 15:17:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10935 to 10897. [2024-12-02 15:17:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10897 states, 10853 states have (on average 1.3409195614115912) internal successors, (14553), 10853 states have internal predecessors, (14553), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10897 states to 10897 states and 14637 transitions. [2024-12-02 15:17:22,095 INFO L78 Accepts]: Start accepts. Automaton has 10897 states and 14637 transitions. Word has length 280 [2024-12-02 15:17:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:22,095 INFO L471 AbstractCegarLoop]: Abstraction has 10897 states and 14637 transitions. [2024-12-02 15:17:22,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 10897 states and 14637 transitions. [2024-12-02 15:17:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:22,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:22,099 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:22,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2024-12-02 15:17:22,099 INFO L396 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:22,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1626388652, now seen corresponding path program 1 times [2024-12-02 15:17:22,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:22,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090282278] [2024-12-02 15:17:22,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:22,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:22,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090282278] [2024-12-02 15:17:22,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090282278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:22,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:22,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:17:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333180503] [2024-12-02 15:17:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:22,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:17:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:22,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:17:22,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:17:22,755 INFO L87 Difference]: Start difference. First operand 10897 states and 14637 transitions. Second operand has 8 states, 8 states have (on average 34.125) internal successors, (273), 8 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:26,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:17:27,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:27,560 INFO L93 Difference]: Finished difference Result 16926 states and 23001 transitions. [2024-12-02 15:17:27,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:17:27,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.125) internal successors, (273), 8 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:27,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:27,569 INFO L225 Difference]: With dead ends: 16926 [2024-12-02 15:17:27,569 INFO L226 Difference]: Without dead ends: 11423 [2024-12-02 15:17:27,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:17:27,573 INFO L435 NwaCegarLoop]: 947 mSDtfsCounter, 1117 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 5662 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:27,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 5662 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:17:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11423 states. [2024-12-02 15:17:27,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11423 to 10947. [2024-12-02 15:17:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10947 states, 10903 states have (on average 1.3395395762634137) internal successors, (14605), 10903 states have internal predecessors, (14605), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10947 states to 10947 states and 14689 transitions. [2024-12-02 15:17:27,688 INFO L78 Accepts]: Start accepts. Automaton has 10947 states and 14689 transitions. Word has length 280 [2024-12-02 15:17:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:27,688 INFO L471 AbstractCegarLoop]: Abstraction has 10947 states and 14689 transitions. [2024-12-02 15:17:27,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.125) internal successors, (273), 8 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10947 states and 14689 transitions. [2024-12-02 15:17:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:27,692 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:27,692 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:27,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2024-12-02 15:17:27,692 INFO L396 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:27,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:27,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1692101173, now seen corresponding path program 1 times [2024-12-02 15:17:27,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:27,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743014047] [2024-12-02 15:17:27,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:27,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:29,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:29,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743014047] [2024-12-02 15:17:29,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743014047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:29,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:29,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:17:29,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927500574] [2024-12-02 15:17:29,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:29,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:17:29,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:29,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:17:29,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:17:29,020 INFO L87 Difference]: Start difference. First operand 10947 states and 14689 transitions. Second operand has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:31,429 INFO L93 Difference]: Finished difference Result 16296 states and 22189 transitions. [2024-12-02 15:17:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:31,430 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 280 [2024-12-02 15:17:31,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:31,436 INFO L225 Difference]: With dead ends: 16296 [2024-12-02 15:17:31,436 INFO L226 Difference]: Without dead ends: 11305 [2024-12-02 15:17:31,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:17:31,440 INFO L435 NwaCegarLoop]: 873 mSDtfsCounter, 1965 mSDsluCounter, 6938 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 7811 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:31,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 7811 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 15:17:31,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11305 states. [2024-12-02 15:17:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11305 to 10953. [2024-12-02 15:17:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10953 states, 10909 states have (on average 1.3400861673847282) internal successors, (14619), 10909 states have internal predecessors, (14619), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10953 states to 10953 states and 14703 transitions. [2024-12-02 15:17:31,532 INFO L78 Accepts]: Start accepts. Automaton has 10953 states and 14703 transitions. Word has length 280 [2024-12-02 15:17:31,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:31,532 INFO L471 AbstractCegarLoop]: Abstraction has 10953 states and 14703 transitions. [2024-12-02 15:17:31,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 10953 states and 14703 transitions. [2024-12-02 15:17:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:31,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:31,536 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:31,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2024-12-02 15:17:31,536 INFO L396 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:31,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:31,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2098721666, now seen corresponding path program 1 times [2024-12-02 15:17:31,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:31,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882263622] [2024-12-02 15:17:31,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:31,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882263622] [2024-12-02 15:17:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882263622] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:17:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959440545] [2024-12-02 15:17:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:32,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:17:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:32,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:17:32,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:17:32,875 INFO L87 Difference]: Start difference. First operand 10953 states and 14703 transitions. Second operand has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:34,722 INFO L93 Difference]: Finished difference Result 16098 states and 21949 transitions. [2024-12-02 15:17:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 280 [2024-12-02 15:17:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:34,729 INFO L225 Difference]: With dead ends: 16098 [2024-12-02 15:17:34,729 INFO L226 Difference]: Without dead ends: 11075 [2024-12-02 15:17:34,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:17:34,733 INFO L435 NwaCegarLoop]: 873 mSDtfsCounter, 1972 mSDsluCounter, 6938 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 7811 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:34,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 7811 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 15:17:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11075 states. [2024-12-02 15:17:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11075 to 10915. [2024-12-02 15:17:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10915 states, 10871 states have (on average 1.340723024560758) internal successors, (14575), 10871 states have internal predecessors, (14575), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10915 states to 10915 states and 14659 transitions. [2024-12-02 15:17:34,823 INFO L78 Accepts]: Start accepts. Automaton has 10915 states and 14659 transitions. Word has length 280 [2024-12-02 15:17:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:34,824 INFO L471 AbstractCegarLoop]: Abstraction has 10915 states and 14659 transitions. [2024-12-02 15:17:34,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 10915 states and 14659 transitions. [2024-12-02 15:17:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:34,827 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:34,827 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:34,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2024-12-02 15:17:34,828 INFO L396 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:34,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:34,828 INFO L85 PathProgramCache]: Analyzing trace with hash 530166049, now seen corresponding path program 1 times [2024-12-02 15:17:34,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:34,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356710241] [2024-12-02 15:17:34,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:35,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:35,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356710241] [2024-12-02 15:17:35,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356710241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:35,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:35,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:35,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42794511] [2024-12-02 15:17:35,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:35,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:35,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:35,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:35,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:35,811 INFO L87 Difference]: Start difference. First operand 10915 states and 14659 transitions. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:36,752 INFO L93 Difference]: Finished difference Result 18289 states and 24895 transitions. [2024-12-02 15:17:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:36,752 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:36,761 INFO L225 Difference]: With dead ends: 18289 [2024-12-02 15:17:36,761 INFO L226 Difference]: Without dead ends: 12739 [2024-12-02 15:17:36,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:17:36,766 INFO L435 NwaCegarLoop]: 940 mSDtfsCounter, 1333 mSDsluCounter, 7448 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 8388 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:36,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 8388 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:17:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12739 states. [2024-12-02 15:17:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12739 to 11465. [2024-12-02 15:17:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11465 states, 11421 states have (on average 1.3386743717712986) internal successors, (15289), 11421 states have internal predecessors, (15289), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11465 states to 11465 states and 15373 transitions. [2024-12-02 15:17:36,863 INFO L78 Accepts]: Start accepts. Automaton has 11465 states and 15373 transitions. Word has length 280 [2024-12-02 15:17:36,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:36,863 INFO L471 AbstractCegarLoop]: Abstraction has 11465 states and 15373 transitions. [2024-12-02 15:17:36,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11465 states and 15373 transitions. [2024-12-02 15:17:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:36,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:36,867 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:36,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2024-12-02 15:17:36,867 INFO L396 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:36,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:36,868 INFO L85 PathProgramCache]: Analyzing trace with hash 936786542, now seen corresponding path program 1 times [2024-12-02 15:17:36,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:36,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568916040] [2024-12-02 15:17:36,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:36,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:37,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568916040] [2024-12-02 15:17:37,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568916040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:37,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:37,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:17:37,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021730886] [2024-12-02 15:17:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:37,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:17:37,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:37,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:17:37,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:17:37,559 INFO L87 Difference]: Start difference. First operand 11465 states and 15373 transitions. Second operand has 9 states, 9 states have (on average 30.333333333333332) internal successors, (273), 9 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:38,073 INFO L93 Difference]: Finished difference Result 18881 states and 25661 transitions. [2024-12-02 15:17:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.333333333333332) internal successors, (273), 9 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:38,082 INFO L225 Difference]: With dead ends: 18881 [2024-12-02 15:17:38,082 INFO L226 Difference]: Without dead ends: 12759 [2024-12-02 15:17:38,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:17:38,087 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 1144 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 6597 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:38,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 6597 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:38,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2024-12-02 15:17:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 11495. [2024-12-02 15:17:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11495 states, 11451 states have (on average 1.3384857217710244) internal successors, (15327), 11451 states have internal predecessors, (15327), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11495 states to 11495 states and 15411 transitions. [2024-12-02 15:17:38,185 INFO L78 Accepts]: Start accepts. Automaton has 11495 states and 15411 transitions. Word has length 280 [2024-12-02 15:17:38,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:38,185 INFO L471 AbstractCegarLoop]: Abstraction has 11495 states and 15411 transitions. [2024-12-02 15:17:38,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.333333333333332) internal successors, (273), 9 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 11495 states and 15411 transitions. [2024-12-02 15:17:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:38,189 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:38,189 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:38,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2024-12-02 15:17:38,189 INFO L396 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:38,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:38,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1400392151, now seen corresponding path program 1 times [2024-12-02 15:17:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418939198] [2024-12-02 15:17:38,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:40,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:40,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418939198] [2024-12-02 15:17:40,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418939198] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:40,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:40,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:17:40,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595735848] [2024-12-02 15:17:40,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:40,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:17:40,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:40,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:17:40,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:17:40,156 INFO L87 Difference]: Start difference. First operand 11495 states and 15411 transitions. Second operand has 17 states, 17 states have (on average 16.058823529411764) internal successors, (273), 17 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:42,531 INFO L93 Difference]: Finished difference Result 19035 states and 25771 transitions. [2024-12-02 15:17:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:17:42,531 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 16.058823529411764) internal successors, (273), 17 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 280 [2024-12-02 15:17:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:42,540 INFO L225 Difference]: With dead ends: 19035 [2024-12-02 15:17:42,540 INFO L226 Difference]: Without dead ends: 12281 [2024-12-02 15:17:42,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:17:42,545 INFO L435 NwaCegarLoop]: 846 mSDtfsCounter, 1766 mSDsluCounter, 7192 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 8038 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:42,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 8038 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 15:17:42,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12281 states. [2024-12-02 15:17:42,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12281 to 11535. [2024-12-02 15:17:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11535 states, 11491 states have (on average 1.337307458010617) internal successors, (15367), 11491 states have internal predecessors, (15367), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11535 states to 11535 states and 15451 transitions. [2024-12-02 15:17:42,645 INFO L78 Accepts]: Start accepts. Automaton has 11535 states and 15451 transitions. Word has length 280 [2024-12-02 15:17:42,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:42,645 INFO L471 AbstractCegarLoop]: Abstraction has 11535 states and 15451 transitions. [2024-12-02 15:17:42,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.058823529411764) internal successors, (273), 17 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 11535 states and 15451 transitions. [2024-12-02 15:17:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:42,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:42,649 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:42,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2024-12-02 15:17:42,650 INFO L396 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:42,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:42,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1773722505, now seen corresponding path program 1 times [2024-12-02 15:17:42,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:42,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125106689] [2024-12-02 15:17:42,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:42,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:43,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:43,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125106689] [2024-12-02 15:17:43,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125106689] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:43,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:43,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:43,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096394290] [2024-12-02 15:17:43,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:43,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:43,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:43,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:43,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:43,488 INFO L87 Difference]: Start difference. First operand 11535 states and 15451 transitions. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:44,469 INFO L93 Difference]: Finished difference Result 18729 states and 25413 transitions. [2024-12-02 15:17:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:44,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:44,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:44,481 INFO L225 Difference]: With dead ends: 18729 [2024-12-02 15:17:44,481 INFO L226 Difference]: Without dead ends: 12415 [2024-12-02 15:17:44,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:17:44,488 INFO L435 NwaCegarLoop]: 1028 mSDtfsCounter, 1011 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 9035 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:44,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 9035 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:17:44,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2024-12-02 15:17:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 11499. [2024-12-02 15:17:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11499 states, 11455 states have (on average 1.3366215626364033) internal successors, (15311), 11455 states have internal predecessors, (15311), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11499 states to 11499 states and 15395 transitions. [2024-12-02 15:17:44,595 INFO L78 Accepts]: Start accepts. Automaton has 11499 states and 15395 transitions. Word has length 280 [2024-12-02 15:17:44,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:44,596 INFO L471 AbstractCegarLoop]: Abstraction has 11499 states and 15395 transitions. [2024-12-02 15:17:44,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 11499 states and 15395 transitions. [2024-12-02 15:17:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:44,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:44,602 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:44,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2024-12-02 15:17:44,602 INFO L396 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:44,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:44,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2019317896, now seen corresponding path program 1 times [2024-12-02 15:17:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:44,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096961972] [2024-12-02 15:17:44,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:44,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:45,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:45,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096961972] [2024-12-02 15:17:45,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096961972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:45,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:45,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155168972] [2024-12-02 15:17:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:45,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:45,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:45,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:45,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:45,596 INFO L87 Difference]: Start difference. First operand 11499 states and 15395 transitions. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:46,666 INFO L93 Difference]: Finished difference Result 18869 states and 25575 transitions. [2024-12-02 15:17:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:46,667 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 280 [2024-12-02 15:17:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:46,675 INFO L225 Difference]: With dead ends: 18869 [2024-12-02 15:17:46,675 INFO L226 Difference]: Without dead ends: 12491 [2024-12-02 15:17:46,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:17:46,680 INFO L435 NwaCegarLoop]: 1021 mSDtfsCounter, 993 mSDsluCounter, 7938 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 8959 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:46,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 8959 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:17:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12491 states. [2024-12-02 15:17:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12491 to 11575. [2024-12-02 15:17:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11575 states, 11531 states have (on average 1.3347498048738184) internal successors, (15391), 11531 states have internal predecessors, (15391), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:17:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11575 states to 11575 states and 15475 transitions. [2024-12-02 15:17:46,777 INFO L78 Accepts]: Start accepts. Automaton has 11575 states and 15475 transitions. Word has length 280 [2024-12-02 15:17:46,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:46,777 INFO L471 AbstractCegarLoop]: Abstraction has 11575 states and 15475 transitions. [2024-12-02 15:17:46,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 11575 states and 15475 transitions. [2024-12-02 15:17:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-12-02 15:17:46,781 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:46,781 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:46,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2024-12-02 15:17:46,781 INFO L396 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:46,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:46,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1767672037, now seen corresponding path program 1 times [2024-12-02 15:17:46,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:46,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302341940] [2024-12-02 15:17:46,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:46,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302341940] [2024-12-02 15:17:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302341940] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408072696] [2024-12-02 15:17:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:47,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:47,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:47,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:47,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:47,942 INFO L87 Difference]: Start difference. First operand 11575 states and 15475 transitions. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:49,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:49,051 INFO L93 Difference]: Finished difference Result 17794 states and 23750 transitions. [2024-12-02 15:17:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:49,052 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 280 [2024-12-02 15:17:49,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:49,057 INFO L225 Difference]: With dead ends: 17794 [2024-12-02 15:17:49,057 INFO L226 Difference]: Without dead ends: 7341 [2024-12-02 15:17:49,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:17:49,062 INFO L435 NwaCegarLoop]: 890 mSDtfsCounter, 2398 mSDsluCounter, 5618 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 6508 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:49,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 6508 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:17:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2024-12-02 15:17:49,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 7341. [2024-12-02 15:17:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7341 states, 7303 states have (on average 1.3256196083801177) internal successors, (9681), 7303 states have internal predecessors, (9681), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:17:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7341 states to 7341 states and 9753 transitions. [2024-12-02 15:17:49,127 INFO L78 Accepts]: Start accepts. Automaton has 7341 states and 9753 transitions. Word has length 280 [2024-12-02 15:17:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:49,127 INFO L471 AbstractCegarLoop]: Abstraction has 7341 states and 9753 transitions. [2024-12-02 15:17:49,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:17:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7341 states and 9753 transitions. [2024-12-02 15:17:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 15:17:49,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:49,130 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:49,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2024-12-02 15:17:49,130 INFO L396 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:49,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:49,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1918364423, now seen corresponding path program 1 times [2024-12-02 15:17:49,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:49,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44394630] [2024-12-02 15:17:49,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:49,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:50,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:50,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44394630] [2024-12-02 15:17:50,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44394630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:50,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:50,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:17:50,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754766576] [2024-12-02 15:17:50,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:50,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:17:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:50,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:17:50,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:17:50,181 INFO L87 Difference]: Start difference. First operand 7341 states and 9753 transitions. Second operand has 12 states, 12 states have (on average 22.833333333333332) internal successors, (274), 12 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:51,289 INFO L93 Difference]: Finished difference Result 17639 states and 23969 transitions. [2024-12-02 15:17:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:17:51,289 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 22.833333333333332) internal successors, (274), 12 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 281 [2024-12-02 15:17:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:51,298 INFO L225 Difference]: With dead ends: 17639 [2024-12-02 15:17:51,298 INFO L226 Difference]: Without dead ends: 14569 [2024-12-02 15:17:51,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:17:51,302 INFO L435 NwaCegarLoop]: 1253 mSDtfsCounter, 3933 mSDsluCounter, 9994 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3935 SdHoareTripleChecker+Valid, 11247 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:51,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3935 Valid, 11247 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:17:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14569 states. [2024-12-02 15:17:51,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14569 to 10689. [2024-12-02 15:17:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10689 states, 10642 states have (on average 1.3395038526592746) internal successors, (14255), 10642 states have internal predecessors, (14255), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:17:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10689 states to 10689 states and 14345 transitions. [2024-12-02 15:17:51,407 INFO L78 Accepts]: Start accepts. Automaton has 10689 states and 14345 transitions. Word has length 281 [2024-12-02 15:17:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:51,407 INFO L471 AbstractCegarLoop]: Abstraction has 10689 states and 14345 transitions. [2024-12-02 15:17:51,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.833333333333332) internal successors, (274), 12 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 10689 states and 14345 transitions. [2024-12-02 15:17:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 15:17:51,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:51,410 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:51,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2024-12-02 15:17:51,410 INFO L396 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:51,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash -828153168, now seen corresponding path program 1 times [2024-12-02 15:17:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037873524] [2024-12-02 15:17:51,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:51,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:51,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037873524] [2024-12-02 15:17:51,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037873524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:51,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:51,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:17:51,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328996213] [2024-12-02 15:17:51,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:51,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:17:51,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:51,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:17:51,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:17:51,999 INFO L87 Difference]: Start difference. First operand 10689 states and 14345 transitions. Second operand has 9 states, 9 states have (on average 30.444444444444443) internal successors, (274), 9 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:52,436 INFO L93 Difference]: Finished difference Result 16825 states and 22945 transitions. [2024-12-02 15:17:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:52,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.444444444444443) internal successors, (274), 9 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 281 [2024-12-02 15:17:52,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:52,443 INFO L225 Difference]: With dead ends: 16825 [2024-12-02 15:17:52,443 INFO L226 Difference]: Without dead ends: 10994 [2024-12-02 15:17:52,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:17:52,448 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 1288 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 6656 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:52,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 6656 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:17:52,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10994 states. [2024-12-02 15:17:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10994 to 10970. [2024-12-02 15:17:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10970 states, 10923 states have (on average 1.3355305319051543) internal successors, (14588), 10923 states have internal predecessors, (14588), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:17:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10970 states to 10970 states and 14678 transitions. [2024-12-02 15:17:52,542 INFO L78 Accepts]: Start accepts. Automaton has 10970 states and 14678 transitions. Word has length 281 [2024-12-02 15:17:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:52,543 INFO L471 AbstractCegarLoop]: Abstraction has 10970 states and 14678 transitions. [2024-12-02 15:17:52,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.444444444444443) internal successors, (274), 9 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 10970 states and 14678 transitions. [2024-12-02 15:17:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 15:17:52,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:52,546 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:52,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2024-12-02 15:17:52,546 INFO L396 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:52,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1332693521, now seen corresponding path program 1 times [2024-12-02 15:17:52,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:52,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350501551] [2024-12-02 15:17:52,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:52,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:53,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:53,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:53,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350501551] [2024-12-02 15:17:53,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350501551] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:53,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:53,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:53,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488106618] [2024-12-02 15:17:53,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:53,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:53,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:53,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:53,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:53,480 INFO L87 Difference]: Start difference. First operand 10970 states and 14678 transitions. Second operand has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:54,187 INFO L93 Difference]: Finished difference Result 16982 states and 23128 transitions. [2024-12-02 15:17:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:17:54,187 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 281 [2024-12-02 15:17:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:54,194 INFO L225 Difference]: With dead ends: 16982 [2024-12-02 15:17:54,194 INFO L226 Difference]: Without dead ends: 10977 [2024-12-02 15:17:54,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:17:54,198 INFO L435 NwaCegarLoop]: 939 mSDtfsCounter, 1723 mSDsluCounter, 6552 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 7491 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:54,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 7491 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10977 states. [2024-12-02 15:17:54,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10977 to 10652. [2024-12-02 15:17:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10652 states, 10605 states have (on average 1.338896746817539) internal successors, (14199), 10605 states have internal predecessors, (14199), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:17:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 10652 states and 14289 transitions. [2024-12-02 15:17:54,297 INFO L78 Accepts]: Start accepts. Automaton has 10652 states and 14289 transitions. Word has length 281 [2024-12-02 15:17:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:54,297 INFO L471 AbstractCegarLoop]: Abstraction has 10652 states and 14289 transitions. [2024-12-02 15:17:54,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 10652 states and 14289 transitions. [2024-12-02 15:17:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 15:17:54,300 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:54,300 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:54,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2024-12-02 15:17:54,301 INFO L396 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:54,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:54,301 INFO L85 PathProgramCache]: Analyzing trace with hash -382014258, now seen corresponding path program 1 times [2024-12-02 15:17:54,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:54,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409855986] [2024-12-02 15:17:54,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:54,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:55,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:55,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409855986] [2024-12-02 15:17:55,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409855986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:55,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:55,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:55,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858466592] [2024-12-02 15:17:55,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:55,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:55,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:55,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:55,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:55,441 INFO L87 Difference]: Start difference. First operand 10652 states and 14289 transitions. Second operand has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:56,094 INFO L93 Difference]: Finished difference Result 21468 states and 29049 transitions. [2024-12-02 15:17:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:17:56,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 281 [2024-12-02 15:17:56,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:56,104 INFO L225 Difference]: With dead ends: 21468 [2024-12-02 15:17:56,104 INFO L226 Difference]: Without dead ends: 13968 [2024-12-02 15:17:56,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:17:56,109 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1767 mSDsluCounter, 7586 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 8537 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:56,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 8537 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:56,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13968 states. [2024-12-02 15:17:56,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13968 to 10657. [2024-12-02 15:17:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10657 states, 10610 states have (on average 1.3385485391140433) internal successors, (14202), 10610 states have internal predecessors, (14202), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:17:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10657 states to 10657 states and 14292 transitions. [2024-12-02 15:17:56,213 INFO L78 Accepts]: Start accepts. Automaton has 10657 states and 14292 transitions. Word has length 281 [2024-12-02 15:17:56,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:56,213 INFO L471 AbstractCegarLoop]: Abstraction has 10657 states and 14292 transitions. [2024-12-02 15:17:56,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10657 states and 14292 transitions. [2024-12-02 15:17:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 15:17:56,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:56,217 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:56,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2024-12-02 15:17:56,217 INFO L396 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:56,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1923800012, now seen corresponding path program 1 times [2024-12-02 15:17:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815797469] [2024-12-02 15:17:56,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:57,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:57,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815797469] [2024-12-02 15:17:57,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815797469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:57,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:57,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:17:57,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524127756] [2024-12-02 15:17:57,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:57,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:17:57,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:57,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:17:57,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:17:57,434 INFO L87 Difference]: Start difference. First operand 10657 states and 14292 transitions. Second operand has 12 states, 12 states have (on average 22.916666666666668) internal successors, (275), 12 states have internal predecessors, (275), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:58,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:17:58,110 INFO L93 Difference]: Finished difference Result 16913 states and 23046 transitions. [2024-12-02 15:17:58,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:17:58,110 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 22.916666666666668) internal successors, (275), 12 states have internal predecessors, (275), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 282 [2024-12-02 15:17:58,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:17:58,117 INFO L225 Difference]: With dead ends: 16913 [2024-12-02 15:17:58,117 INFO L226 Difference]: Without dead ends: 10657 [2024-12-02 15:17:58,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:17:58,121 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 1138 mSDsluCounter, 8501 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 9453 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:17:58,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 9453 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:17:58,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10657 states. [2024-12-02 15:17:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10657 to 10657. [2024-12-02 15:17:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10657 states, 10610 states have (on average 1.3382657869934025) internal successors, (14199), 10610 states have internal predecessors, (14199), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:17:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10657 states to 10657 states and 14289 transitions. [2024-12-02 15:17:58,215 INFO L78 Accepts]: Start accepts. Automaton has 10657 states and 14289 transitions. Word has length 282 [2024-12-02 15:17:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:17:58,215 INFO L471 AbstractCegarLoop]: Abstraction has 10657 states and 14289 transitions. [2024-12-02 15:17:58,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.916666666666668) internal successors, (275), 12 states have internal predecessors, (275), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:17:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 10657 states and 14289 transitions. [2024-12-02 15:17:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 15:17:58,219 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:17:58,219 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:17:58,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2024-12-02 15:17:58,219 INFO L396 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:17:58,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:17:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1781051297, now seen corresponding path program 1 times [2024-12-02 15:17:58,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:17:58,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850091144] [2024-12-02 15:17:58,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:17:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:17:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:17:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:17:59,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:17:59,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850091144] [2024-12-02 15:17:59,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850091144] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:17:59,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:17:59,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:17:59,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099535144] [2024-12-02 15:17:59,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:17:59,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:17:59,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:17:59,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:17:59,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:17:59,194 INFO L87 Difference]: Start difference. First operand 10657 states and 14289 transitions. Second operand has 11 states, 11 states have (on average 25.0) internal successors, (275), 11 states have internal predecessors, (275), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:00,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:00,421 INFO L93 Difference]: Finished difference Result 16933 states and 23054 transitions. [2024-12-02 15:18:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:18:00,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.0) internal successors, (275), 11 states have internal predecessors, (275), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 282 [2024-12-02 15:18:00,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:00,428 INFO L225 Difference]: With dead ends: 16933 [2024-12-02 15:18:00,428 INFO L226 Difference]: Without dead ends: 10684 [2024-12-02 15:18:00,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:18:00,432 INFO L435 NwaCegarLoop]: 877 mSDtfsCounter, 1664 mSDsluCounter, 6940 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 7817 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:00,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 7817 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:18:00,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10684 states. [2024-12-02 15:18:00,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10684 to 10665. [2024-12-02 15:18:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10665 states, 10618 states have (on average 1.3380109248446035) internal successors, (14207), 10618 states have internal predecessors, (14207), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:18:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10665 states to 10665 states and 14297 transitions. [2024-12-02 15:18:00,526 INFO L78 Accepts]: Start accepts. Automaton has 10665 states and 14297 transitions. Word has length 282 [2024-12-02 15:18:00,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:00,526 INFO L471 AbstractCegarLoop]: Abstraction has 10665 states and 14297 transitions. [2024-12-02 15:18:00,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.0) internal successors, (275), 11 states have internal predecessors, (275), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 10665 states and 14297 transitions. [2024-12-02 15:18:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:00,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:00,530 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:00,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2024-12-02 15:18:00,530 INFO L396 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:00,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:00,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2094415993, now seen corresponding path program 1 times [2024-12-02 15:18:00,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:00,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095914000] [2024-12-02 15:18:00,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:00,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:01,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:01,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095914000] [2024-12-02 15:18:01,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095914000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:01,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:01,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:01,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414931847] [2024-12-02 15:18:01,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:01,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:01,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:01,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:01,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:01,761 INFO L87 Difference]: Start difference. First operand 10665 states and 14297 transitions. Second operand has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:02,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:02,518 INFO L93 Difference]: Finished difference Result 20345 states and 27589 transitions. [2024-12-02 15:18:02,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:18:02,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2024-12-02 15:18:02,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:02,527 INFO L225 Difference]: With dead ends: 20345 [2024-12-02 15:18:02,527 INFO L226 Difference]: Without dead ends: 13967 [2024-12-02 15:18:02,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:18:02,532 INFO L435 NwaCegarLoop]: 954 mSDtfsCounter, 2409 mSDsluCounter, 6635 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:02,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2411 Valid, 7589 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13967 states. [2024-12-02 15:18:02,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13967 to 10653. [2024-12-02 15:18:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10653 states, 10606 states have (on average 1.338016217235527) internal successors, (14191), 10606 states have internal predecessors, (14191), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:18:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10653 states to 10653 states and 14281 transitions. [2024-12-02 15:18:02,638 INFO L78 Accepts]: Start accepts. Automaton has 10653 states and 14281 transitions. Word has length 283 [2024-12-02 15:18:02,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:02,638 INFO L471 AbstractCegarLoop]: Abstraction has 10653 states and 14281 transitions. [2024-12-02 15:18:02,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10653 states and 14281 transitions. [2024-12-02 15:18:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:02,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:02,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:02,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2024-12-02 15:18:02,642 INFO L396 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:02,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1684409664, now seen corresponding path program 1 times [2024-12-02 15:18:02,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:02,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508624543] [2024-12-02 15:18:02,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:02,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508624543] [2024-12-02 15:18:03,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508624543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:03,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:03,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:18:03,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325084724] [2024-12-02 15:18:03,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:03,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:18:03,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:03,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:18:03,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:18:03,673 INFO L87 Difference]: Start difference. First operand 10653 states and 14281 transitions. Second operand has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:04,365 INFO L93 Difference]: Finished difference Result 16982 states and 23112 transitions. [2024-12-02 15:18:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:04,366 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2024-12-02 15:18:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:04,373 INFO L225 Difference]: With dead ends: 16982 [2024-12-02 15:18:04,373 INFO L226 Difference]: Without dead ends: 11044 [2024-12-02 15:18:04,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:18:04,377 INFO L435 NwaCegarLoop]: 945 mSDtfsCounter, 1859 mSDsluCounter, 7653 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 8598 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:04,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 8598 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:04,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11044 states. [2024-12-02 15:18:04,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11044 to 10932. [2024-12-02 15:18:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 10885 states have (on average 1.3347726228755168) internal successors, (14529), 10885 states have internal predecessors, (14529), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:18:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 14619 transitions. [2024-12-02 15:18:04,475 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 14619 transitions. Word has length 283 [2024-12-02 15:18:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:04,476 INFO L471 AbstractCegarLoop]: Abstraction has 10932 states and 14619 transitions. [2024-12-02 15:18:04,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 14619 transitions. [2024-12-02 15:18:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:04,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:04,479 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:04,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2024-12-02 15:18:04,480 INFO L396 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:04,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1228669432, now seen corresponding path program 1 times [2024-12-02 15:18:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305009738] [2024-12-02 15:18:04,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:04,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:04,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:04,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305009738] [2024-12-02 15:18:04,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305009738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:04,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:04,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:18:04,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281416539] [2024-12-02 15:18:04,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:04,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:18:04,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:04,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:18:04,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:04,818 INFO L87 Difference]: Start difference. First operand 10932 states and 14619 transitions. Second operand has 5 states, 5 states have (on average 55.2) internal successors, (276), 5 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:04,928 INFO L93 Difference]: Finished difference Result 19696 states and 26417 transitions. [2024-12-02 15:18:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:18:04,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.2) internal successors, (276), 5 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2024-12-02 15:18:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:04,936 INFO L225 Difference]: With dead ends: 19696 [2024-12-02 15:18:04,936 INFO L226 Difference]: Without dead ends: 10952 [2024-12-02 15:18:04,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:04,941 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 2 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:04,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3886 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:18:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10952 states. [2024-12-02 15:18:05,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10952 to 10942. [2024-12-02 15:18:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10942 states, 10895 states have (on average 1.3344653510784763) internal successors, (14539), 10895 states have internal predecessors, (14539), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:18:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10942 states to 10942 states and 14629 transitions. [2024-12-02 15:18:05,039 INFO L78 Accepts]: Start accepts. Automaton has 10942 states and 14629 transitions. Word has length 283 [2024-12-02 15:18:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:05,039 INFO L471 AbstractCegarLoop]: Abstraction has 10942 states and 14629 transitions. [2024-12-02 15:18:05,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.2) internal successors, (276), 5 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 10942 states and 14629 transitions. [2024-12-02 15:18:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:05,043 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:05,043 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:05,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2024-12-02 15:18:05,043 INFO L396 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:05,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:05,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1067289692, now seen corresponding path program 1 times [2024-12-02 15:18:05,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:05,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056785465] [2024-12-02 15:18:05,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:06,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:06,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056785465] [2024-12-02 15:18:06,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056785465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:06,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:06,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:18:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929701417] [2024-12-02 15:18:06,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:06,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:18:06,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:06,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:18:06,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:18:06,377 INFO L87 Difference]: Start difference. First operand 10942 states and 14629 transitions. Second operand has 14 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:09,114 INFO L93 Difference]: Finished difference Result 24278 states and 32959 transitions. [2024-12-02 15:18:09,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 15:18:09,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 283 [2024-12-02 15:18:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:09,126 INFO L225 Difference]: With dead ends: 24278 [2024-12-02 15:18:09,126 INFO L226 Difference]: Without dead ends: 17587 [2024-12-02 15:18:09,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=189, Invalid=741, Unknown=0, NotChecked=0, Total=930 [2024-12-02 15:18:09,132 INFO L435 NwaCegarLoop]: 1713 mSDtfsCounter, 2630 mSDsluCounter, 15009 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 16722 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:09,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 16722 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1649 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 15:18:09,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17587 states. [2024-12-02 15:18:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17587 to 17369. [2024-12-02 15:18:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17369 states, 17310 states have (on average 1.3451761987290582) internal successors, (23285), 17310 states have internal predecessors, (23285), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17369 states to 17369 states and 23399 transitions. [2024-12-02 15:18:09,290 INFO L78 Accepts]: Start accepts. Automaton has 17369 states and 23399 transitions. Word has length 283 [2024-12-02 15:18:09,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:09,290 INFO L471 AbstractCegarLoop]: Abstraction has 17369 states and 23399 transitions. [2024-12-02 15:18:09,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 17369 states and 23399 transitions. [2024-12-02 15:18:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:09,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:09,295 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:09,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2024-12-02 15:18:09,295 INFO L396 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:09,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:09,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1247195642, now seen corresponding path program 1 times [2024-12-02 15:18:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:09,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19791941] [2024-12-02 15:18:09,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:09,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:10,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:10,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19791941] [2024-12-02 15:18:10,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19791941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:10,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:10,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:18:10,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382752198] [2024-12-02 15:18:10,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:10,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:18:10,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:10,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:18:10,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:18:10,001 INFO L87 Difference]: Start difference. First operand 17369 states and 23399 transitions. Second operand has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:10,513 INFO L93 Difference]: Finished difference Result 30192 states and 41179 transitions. [2024-12-02 15:18:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:18:10,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2024-12-02 15:18:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:10,526 INFO L225 Difference]: With dead ends: 30192 [2024-12-02 15:18:10,526 INFO L226 Difference]: Without dead ends: 19369 [2024-12-02 15:18:10,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:18:10,533 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 1128 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 6590 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:10,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 6590 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:18:10,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19369 states. [2024-12-02 15:18:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19369 to 17416. [2024-12-02 15:18:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17416 states, 17357 states have (on average 1.3464308348216858) internal successors, (23370), 17357 states have internal predecessors, (23370), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17416 states to 17416 states and 23484 transitions. [2024-12-02 15:18:10,696 INFO L78 Accepts]: Start accepts. Automaton has 17416 states and 23484 transitions. Word has length 283 [2024-12-02 15:18:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:10,696 INFO L471 AbstractCegarLoop]: Abstraction has 17416 states and 23484 transitions. [2024-12-02 15:18:10,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17416 states and 23484 transitions. [2024-12-02 15:18:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:10,700 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:10,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:10,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2024-12-02 15:18:10,700 INFO L396 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:10,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:10,700 INFO L85 PathProgramCache]: Analyzing trace with hash 179950851, now seen corresponding path program 1 times [2024-12-02 15:18:10,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:10,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404457172] [2024-12-02 15:18:10,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:10,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404457172] [2024-12-02 15:18:11,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404457172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:11,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:11,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:18:11,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045722263] [2024-12-02 15:18:11,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:11,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:18:11,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:11,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:18:11,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:18:11,472 INFO L87 Difference]: Start difference. First operand 17416 states and 23484 transitions. Second operand has 8 states, 8 states have (on average 34.5) internal successors, (276), 8 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:12,223 INFO L93 Difference]: Finished difference Result 30812 states and 42034 transitions. [2024-12-02 15:18:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:18:12,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.5) internal successors, (276), 8 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2024-12-02 15:18:12,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:12,236 INFO L225 Difference]: With dead ends: 30812 [2024-12-02 15:18:12,236 INFO L226 Difference]: Without dead ends: 19094 [2024-12-02 15:18:12,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:18:12,244 INFO L435 NwaCegarLoop]: 939 mSDtfsCounter, 1111 mSDsluCounter, 4678 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 5617 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:12,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 5617 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19094 states. [2024-12-02 15:18:12,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19094 to 17644. [2024-12-02 15:18:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17644 states, 17585 states have (on average 1.3464884845038385) internal successors, (23678), 17585 states have internal predecessors, (23678), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17644 states to 17644 states and 23792 transitions. [2024-12-02 15:18:12,404 INFO L78 Accepts]: Start accepts. Automaton has 17644 states and 23792 transitions. Word has length 283 [2024-12-02 15:18:12,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:12,404 INFO L471 AbstractCegarLoop]: Abstraction has 17644 states and 23792 transitions. [2024-12-02 15:18:12,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.5) internal successors, (276), 8 states have internal predecessors, (276), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 17644 states and 23792 transitions. [2024-12-02 15:18:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:18:12,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:12,409 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:12,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2024-12-02 15:18:12,409 INFO L396 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:12,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1502990105, now seen corresponding path program 1 times [2024-12-02 15:18:12,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:12,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392892572] [2024-12-02 15:18:12,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:12,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:13,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:13,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392892572] [2024-12-02 15:18:13,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392892572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:13,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:13,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:18:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299606254] [2024-12-02 15:18:13,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:13,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:18:13,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:13,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:18:13,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:18:13,982 INFO L87 Difference]: Start difference. First operand 17644 states and 23792 transitions. Second operand has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:18,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:18:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:19,414 INFO L93 Difference]: Finished difference Result 31990 states and 43349 transitions. [2024-12-02 15:18:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:19,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 283 [2024-12-02 15:18:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:19,425 INFO L225 Difference]: With dead ends: 31990 [2024-12-02 15:18:19,425 INFO L226 Difference]: Without dead ends: 17624 [2024-12-02 15:18:19,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:18:19,434 INFO L435 NwaCegarLoop]: 894 mSDtfsCounter, 2488 mSDsluCounter, 6487 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 7381 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:19,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 7381 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 797 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:18:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17624 states. [2024-12-02 15:18:19,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17624 to 17602. [2024-12-02 15:18:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17602 states, 17543 states have (on average 1.3465199794789944) internal successors, (23622), 17543 states have internal predecessors, (23622), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17602 states to 17602 states and 23736 transitions. [2024-12-02 15:18:19,607 INFO L78 Accepts]: Start accepts. Automaton has 17602 states and 23736 transitions. Word has length 283 [2024-12-02 15:18:19,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:19,607 INFO L471 AbstractCegarLoop]: Abstraction has 17602 states and 23736 transitions. [2024-12-02 15:18:19,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 17602 states and 23736 transitions. [2024-12-02 15:18:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:19,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:19,612 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:19,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2024-12-02 15:18:19,612 INFO L396 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:19,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash -79980253, now seen corresponding path program 1 times [2024-12-02 15:18:19,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:19,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555324050] [2024-12-02 15:18:19,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:19,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:20,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:20,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555324050] [2024-12-02 15:18:20,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555324050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:20,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:20,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:20,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911333702] [2024-12-02 15:18:20,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:20,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:20,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:20,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:20,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:20,794 INFO L87 Difference]: Start difference. First operand 17602 states and 23736 transitions. Second operand has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:21,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:21,502 INFO L93 Difference]: Finished difference Result 26631 states and 36163 transitions. [2024-12-02 15:18:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:18:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:21,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:21,517 INFO L225 Difference]: With dead ends: 26631 [2024-12-02 15:18:21,517 INFO L226 Difference]: Without dead ends: 21052 [2024-12-02 15:18:21,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:18:21,524 INFO L435 NwaCegarLoop]: 957 mSDtfsCounter, 2408 mSDsluCounter, 6647 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 7604 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:21,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 7604 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21052 states. [2024-12-02 15:18:21,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21052 to 17626. [2024-12-02 15:18:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17626 states, 17567 states have (on average 1.3461604144133887) internal successors, (23648), 17567 states have internal predecessors, (23648), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17626 states to 17626 states and 23762 transitions. [2024-12-02 15:18:21,686 INFO L78 Accepts]: Start accepts. Automaton has 17626 states and 23762 transitions. Word has length 284 [2024-12-02 15:18:21,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:21,687 INFO L471 AbstractCegarLoop]: Abstraction has 17626 states and 23762 transitions. [2024-12-02 15:18:21,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17626 states and 23762 transitions. [2024-12-02 15:18:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:21,691 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:21,691 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:21,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2024-12-02 15:18:21,691 INFO L396 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:21,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:21,691 INFO L85 PathProgramCache]: Analyzing trace with hash -970097555, now seen corresponding path program 1 times [2024-12-02 15:18:21,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:21,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601767012] [2024-12-02 15:18:21,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:21,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:22,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:22,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601767012] [2024-12-02 15:18:22,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601767012] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:22,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:22,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:18:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019905786] [2024-12-02 15:18:22,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:22,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:18:22,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:22,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:18:22,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:18:22,749 INFO L87 Difference]: Start difference. First operand 17626 states and 23762 transitions. Second operand has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:23,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:23,524 INFO L93 Difference]: Finished difference Result 28094 states and 38414 transitions. [2024-12-02 15:18:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:23,525 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:23,536 INFO L225 Difference]: With dead ends: 28094 [2024-12-02 15:18:23,536 INFO L226 Difference]: Without dead ends: 17642 [2024-12-02 15:18:23,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:18:23,543 INFO L435 NwaCegarLoop]: 943 mSDtfsCounter, 1367 mSDsluCounter, 8461 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:23,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 9404 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:23,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17642 states. [2024-12-02 15:18:23,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17642 to 17620. [2024-12-02 15:18:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17620 states, 17561 states have (on average 1.3461647969933375) internal successors, (23640), 17561 states have internal predecessors, (23640), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17620 states to 17620 states and 23754 transitions. [2024-12-02 15:18:23,698 INFO L78 Accepts]: Start accepts. Automaton has 17620 states and 23754 transitions. Word has length 284 [2024-12-02 15:18:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:23,698 INFO L471 AbstractCegarLoop]: Abstraction has 17620 states and 23754 transitions. [2024-12-02 15:18:23,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 17620 states and 23754 transitions. [2024-12-02 15:18:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:23,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:23,703 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:23,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2024-12-02 15:18:23,703 INFO L396 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:23,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:23,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1376799196, now seen corresponding path program 1 times [2024-12-02 15:18:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:23,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118946580] [2024-12-02 15:18:23,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:24,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:24,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118946580] [2024-12-02 15:18:24,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118946580] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:24,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:24,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:24,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311964097] [2024-12-02 15:18:24,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:24,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:24,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:24,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:24,879 INFO L87 Difference]: Start difference. First operand 17620 states and 23754 transitions. Second operand has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:25,516 INFO L93 Difference]: Finished difference Result 28332 states and 38778 transitions. [2024-12-02 15:18:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:18:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:25,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:25,528 INFO L225 Difference]: With dead ends: 28332 [2024-12-02 15:18:25,528 INFO L226 Difference]: Without dead ends: 17486 [2024-12-02 15:18:25,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:18:25,535 INFO L435 NwaCegarLoop]: 943 mSDtfsCounter, 1198 mSDsluCounter, 6582 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 7525 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:25,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 7525 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:25,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17486 states. [2024-12-02 15:18:25,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17486 to 17463. [2024-12-02 15:18:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17463 states, 17404 states have (on average 1.3475063203861182) internal successors, (23452), 17404 states have internal predecessors, (23452), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17463 states to 17463 states and 23566 transitions. [2024-12-02 15:18:25,688 INFO L78 Accepts]: Start accepts. Automaton has 17463 states and 23566 transitions. Word has length 284 [2024-12-02 15:18:25,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:25,688 INFO L471 AbstractCegarLoop]: Abstraction has 17463 states and 23566 transitions. [2024-12-02 15:18:25,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17463 states and 23566 transitions. [2024-12-02 15:18:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:25,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:25,693 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:25,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2024-12-02 15:18:25,693 INFO L396 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:25,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1798946288, now seen corresponding path program 1 times [2024-12-02 15:18:25,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:25,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603449078] [2024-12-02 15:18:25,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:27,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:27,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603449078] [2024-12-02 15:18:27,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603449078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:27,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:27,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:18:27,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876497448] [2024-12-02 15:18:27,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:27,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:18:27,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:27,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:18:27,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:18:27,236 INFO L87 Difference]: Start difference. First operand 17463 states and 23566 transitions. Second operand has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:28,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:28,749 INFO L93 Difference]: Finished difference Result 29705 states and 40398 transitions. [2024-12-02 15:18:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:28,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:18:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:28,761 INFO L225 Difference]: With dead ends: 29705 [2024-12-02 15:18:28,761 INFO L226 Difference]: Without dead ends: 17145 [2024-12-02 15:18:28,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:18:28,768 INFO L435 NwaCegarLoop]: 892 mSDtfsCounter, 2492 mSDsluCounter, 6477 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 7369 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:28,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 7369 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:18:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17145 states. [2024-12-02 15:18:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17145 to 17145. [2024-12-02 15:18:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17145 states, 17086 states have (on average 1.3497600374575676) internal successors, (23062), 17086 states have internal predecessors, (23062), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 23176 transitions. [2024-12-02 15:18:28,924 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 23176 transitions. Word has length 284 [2024-12-02 15:18:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:28,924 INFO L471 AbstractCegarLoop]: Abstraction has 17145 states and 23176 transitions. [2024-12-02 15:18:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 23176 transitions. [2024-12-02 15:18:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:28,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:28,928 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:28,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2024-12-02 15:18:28,928 INFO L396 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:28,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:28,929 INFO L85 PathProgramCache]: Analyzing trace with hash -177522550, now seen corresponding path program 1 times [2024-12-02 15:18:28,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:28,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780374761] [2024-12-02 15:18:28,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:30,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:30,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780374761] [2024-12-02 15:18:30,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780374761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:30,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:30,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:18:30,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395890923] [2024-12-02 15:18:30,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:30,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:18:30,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:30,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:18:30,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:18:30,597 INFO L87 Difference]: Start difference. First operand 17145 states and 23176 transitions. Second operand has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:33,113 INFO L93 Difference]: Finished difference Result 28053 states and 38427 transitions. [2024-12-02 15:18:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:18:33,114 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:33,125 INFO L225 Difference]: With dead ends: 28053 [2024-12-02 15:18:33,126 INFO L226 Difference]: Without dead ends: 17115 [2024-12-02 15:18:33,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:18:33,133 INFO L435 NwaCegarLoop]: 877 mSDtfsCounter, 1854 mSDsluCounter, 8024 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 8901 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:33,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 8901 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 15:18:33,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17115 states. [2024-12-02 15:18:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17115 to 17099. [2024-12-02 15:18:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17099 states, 17040 states have (on average 1.3501173708920189) internal successors, (23006), 17040 states have internal predecessors, (23006), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17099 states to 17099 states and 23120 transitions. [2024-12-02 15:18:33,288 INFO L78 Accepts]: Start accepts. Automaton has 17099 states and 23120 transitions. Word has length 284 [2024-12-02 15:18:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:33,289 INFO L471 AbstractCegarLoop]: Abstraction has 17099 states and 23120 transitions. [2024-12-02 15:18:33,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 17099 states and 23120 transitions. [2024-12-02 15:18:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:33,293 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:33,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:33,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2024-12-02 15:18:33,293 INFO L396 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:33,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:33,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1385749125, now seen corresponding path program 1 times [2024-12-02 15:18:33,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:33,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981181867] [2024-12-02 15:18:33,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:34,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981181867] [2024-12-02 15:18:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981181867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:18:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765502644] [2024-12-02 15:18:34,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:34,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:18:34,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:34,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:18:34,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:18:34,061 INFO L87 Difference]: Start difference. First operand 17099 states and 23120 transitions. Second operand has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:34,867 INFO L93 Difference]: Finished difference Result 29722 states and 40701 transitions. [2024-12-02 15:18:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:18:34,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:34,880 INFO L225 Difference]: With dead ends: 29722 [2024-12-02 15:18:34,880 INFO L226 Difference]: Without dead ends: 18514 [2024-12-02 15:18:34,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:18:34,887 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1066 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 5689 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:34,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 5689 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18514 states. [2024-12-02 15:18:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18514 to 18402. [2024-12-02 15:18:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 18343 states have (on average 1.3446001199367605) internal successors, (24664), 18343 states have internal predecessors, (24664), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 24778 transitions. [2024-12-02 15:18:35,089 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 24778 transitions. Word has length 284 [2024-12-02 15:18:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:35,089 INFO L471 AbstractCegarLoop]: Abstraction has 18402 states and 24778 transitions. [2024-12-02 15:18:35,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.625) internal successors, (277), 8 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 24778 transitions. [2024-12-02 15:18:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:35,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:35,094 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:35,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2024-12-02 15:18:35,094 INFO L396 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:35,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1890289478, now seen corresponding path program 1 times [2024-12-02 15:18:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:35,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96544255] [2024-12-02 15:18:35,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:36,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96544255] [2024-12-02 15:18:36,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96544255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:36,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:36,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:36,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715650140] [2024-12-02 15:18:36,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:36,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:36,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:36,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:36,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:36,130 INFO L87 Difference]: Start difference. First operand 18402 states and 24778 transitions. Second operand has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:36,877 INFO L93 Difference]: Finished difference Result 30279 states and 41416 transitions. [2024-12-02 15:18:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:18:36,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:36,890 INFO L225 Difference]: With dead ends: 30279 [2024-12-02 15:18:36,890 INFO L226 Difference]: Without dead ends: 16781 [2024-12-02 15:18:36,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:18:36,898 INFO L435 NwaCegarLoop]: 946 mSDtfsCounter, 2095 mSDsluCounter, 5650 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6596 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:36,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6596 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16781 states. [2024-12-02 15:18:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16781 to 16481. [2024-12-02 15:18:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16481 states, 16422 states have (on average 1.3466691024235782) internal successors, (22115), 16422 states have internal predecessors, (22115), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16481 states to 16481 states and 22229 transitions. [2024-12-02 15:18:37,085 INFO L78 Accepts]: Start accepts. Automaton has 16481 states and 22229 transitions. Word has length 284 [2024-12-02 15:18:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:37,085 INFO L471 AbstractCegarLoop]: Abstraction has 16481 states and 22229 transitions. [2024-12-02 15:18:37,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 16481 states and 22229 transitions. [2024-12-02 15:18:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:37,089 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:37,089 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:37,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2024-12-02 15:18:37,089 INFO L396 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:37,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:37,089 INFO L85 PathProgramCache]: Analyzing trace with hash -939610215, now seen corresponding path program 1 times [2024-12-02 15:18:37,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:37,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183415665] [2024-12-02 15:18:37,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:38,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:38,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183415665] [2024-12-02 15:18:38,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183415665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:38,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:38,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:38,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776943014] [2024-12-02 15:18:38,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:38,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:38,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:38,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:38,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:38,311 INFO L87 Difference]: Start difference. First operand 16481 states and 22229 transitions. Second operand has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:39,048 INFO L93 Difference]: Finished difference Result 26831 states and 36683 transitions. [2024-12-02 15:18:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:18:39,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:39,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:39,059 INFO L225 Difference]: With dead ends: 26831 [2024-12-02 15:18:39,059 INFO L226 Difference]: Without dead ends: 16478 [2024-12-02 15:18:39,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:18:39,066 INFO L435 NwaCegarLoop]: 944 mSDtfsCounter, 2130 mSDsluCounter, 5641 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 6585 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:39,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2132 Valid, 6585 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:39,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16478 states. [2024-12-02 15:18:39,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16478 to 16436. [2024-12-02 15:18:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16436 states, 16377 states have (on average 1.3452402759968247) internal successors, (22031), 16377 states have internal predecessors, (22031), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16436 states to 16436 states and 22145 transitions. [2024-12-02 15:18:39,248 INFO L78 Accepts]: Start accepts. Automaton has 16436 states and 22145 transitions. Word has length 284 [2024-12-02 15:18:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:39,248 INFO L471 AbstractCegarLoop]: Abstraction has 16436 states and 22145 transitions. [2024-12-02 15:18:39,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16436 states and 22145 transitions. [2024-12-02 15:18:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:39,252 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:39,252 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:39,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2024-12-02 15:18:39,252 INFO L396 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:39,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:39,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1967250569, now seen corresponding path program 1 times [2024-12-02 15:18:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939034743] [2024-12-02 15:18:39,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:40,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:40,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939034743] [2024-12-02 15:18:40,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939034743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:40,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:40,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:18:40,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205860515] [2024-12-02 15:18:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:40,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:18:40,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:40,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:18:40,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:40,200 INFO L87 Difference]: Start difference. First operand 16436 states and 22145 transitions. Second operand has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:41,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:41,172 INFO L93 Difference]: Finished difference Result 29079 states and 39520 transitions. [2024-12-02 15:18:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:41,173 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:41,184 INFO L225 Difference]: With dead ends: 29079 [2024-12-02 15:18:41,185 INFO L226 Difference]: Without dead ends: 17744 [2024-12-02 15:18:41,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:41,192 INFO L435 NwaCegarLoop]: 932 mSDtfsCounter, 1136 mSDsluCounter, 7377 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 8309 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:41,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 8309 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:41,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17744 states. [2024-12-02 15:18:41,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17744 to 16394. [2024-12-02 15:18:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16394 states, 16335 states have (on average 1.3441689623507804) internal successors, (21957), 16335 states have internal predecessors, (21957), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16394 states to 16394 states and 22071 transitions. [2024-12-02 15:18:41,389 INFO L78 Accepts]: Start accepts. Automaton has 16394 states and 22071 transitions. Word has length 284 [2024-12-02 15:18:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:41,390 INFO L471 AbstractCegarLoop]: Abstraction has 16394 states and 22071 transitions. [2024-12-02 15:18:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 16394 states and 22071 transitions. [2024-12-02 15:18:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:41,394 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:41,394 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:41,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2024-12-02 15:18:41,394 INFO L396 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:41,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:41,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1126865950, now seen corresponding path program 1 times [2024-12-02 15:18:41,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:41,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144290936] [2024-12-02 15:18:41,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:41,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:42,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:42,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144290936] [2024-12-02 15:18:42,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144290936] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:42,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:42,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:18:42,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124021245] [2024-12-02 15:18:42,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:42,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:18:42,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:42,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:18:42,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:42,235 INFO L87 Difference]: Start difference. First operand 16394 states and 22071 transitions. Second operand has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:43,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:43,237 INFO L93 Difference]: Finished difference Result 28460 states and 38732 transitions. [2024-12-02 15:18:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:43,238 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:43,251 INFO L225 Difference]: With dead ends: 28460 [2024-12-02 15:18:43,251 INFO L226 Difference]: Without dead ends: 17726 [2024-12-02 15:18:43,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:43,259 INFO L435 NwaCegarLoop]: 1031 mSDtfsCounter, 964 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 9052 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:43,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 9052 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17726 states. [2024-12-02 15:18:43,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17726 to 16600. [2024-12-02 15:18:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16600 states, 16541 states have (on average 1.3424218608306633) internal successors, (22205), 16541 states have internal predecessors, (22205), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16600 states to 16600 states and 22319 transitions. [2024-12-02 15:18:43,421 INFO L78 Accepts]: Start accepts. Automaton has 16600 states and 22319 transitions. Word has length 284 [2024-12-02 15:18:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:43,421 INFO L471 AbstractCegarLoop]: Abstraction has 16600 states and 22319 transitions. [2024-12-02 15:18:43,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 16600 states and 22319 transitions. [2024-12-02 15:18:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:43,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:43,425 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:43,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2024-12-02 15:18:43,425 INFO L396 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:43,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:43,425 INFO L85 PathProgramCache]: Analyzing trace with hash 622325597, now seen corresponding path program 1 times [2024-12-02 15:18:43,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:43,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99362925] [2024-12-02 15:18:43,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:44,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:44,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99362925] [2024-12-02 15:18:44,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99362925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:44,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:44,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:18:44,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730551381] [2024-12-02 15:18:44,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:44,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:18:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:44,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:18:44,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:44,300 INFO L87 Difference]: Start difference. First operand 16600 states and 22319 transitions. Second operand has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:45,416 INFO L93 Difference]: Finished difference Result 28837 states and 39159 transitions. [2024-12-02 15:18:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:45,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:45,428 INFO L225 Difference]: With dead ends: 28837 [2024-12-02 15:18:45,429 INFO L226 Difference]: Without dead ends: 17546 [2024-12-02 15:18:45,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:45,436 INFO L435 NwaCegarLoop]: 1017 mSDtfsCounter, 1005 mSDsluCounter, 7925 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 8942 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:45,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 8942 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:18:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17546 states. [2024-12-02 15:18:45,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17546 to 16618. [2024-12-02 15:18:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16618 states, 16559 states have (on average 1.342049640678785) internal successors, (22223), 16559 states have internal predecessors, (22223), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16618 states to 16618 states and 22337 transitions. [2024-12-02 15:18:45,593 INFO L78 Accepts]: Start accepts. Automaton has 16618 states and 22337 transitions. Word has length 284 [2024-12-02 15:18:45,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:45,593 INFO L471 AbstractCegarLoop]: Abstraction has 16618 states and 22337 transitions. [2024-12-02 15:18:45,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 16618 states and 22337 transitions. [2024-12-02 15:18:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:45,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:45,598 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:45,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2024-12-02 15:18:45,598 INFO L396 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:45,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1648720135, now seen corresponding path program 1 times [2024-12-02 15:18:45,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:45,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509463231] [2024-12-02 15:18:45,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:45,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:47,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:47,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509463231] [2024-12-02 15:18:47,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509463231] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:47,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:47,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 15:18:47,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205314323] [2024-12-02 15:18:47,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:47,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 15:18:47,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:47,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 15:18:47,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:18:47,536 INFO L87 Difference]: Start difference. First operand 16618 states and 22337 transitions. Second operand has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 15 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:50,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:50,272 INFO L93 Difference]: Finished difference Result 28193 states and 38357 transitions. [2024-12-02 15:18:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:18:50,273 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 15 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:18:50,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:50,284 INFO L225 Difference]: With dead ends: 28193 [2024-12-02 15:18:50,284 INFO L226 Difference]: Without dead ends: 17254 [2024-12-02 15:18:50,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:18:50,291 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 1683 mSDsluCounter, 11076 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 12027 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:50,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 12027 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 15:18:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states. [2024-12-02 15:18:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17254 to 16595. [2024-12-02 15:18:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16595 states, 16536 states have (on average 1.3421625544267053) internal successors, (22194), 16536 states have internal predecessors, (22194), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16595 states to 16595 states and 22308 transitions. [2024-12-02 15:18:50,479 INFO L78 Accepts]: Start accepts. Automaton has 16595 states and 22308 transitions. Word has length 284 [2024-12-02 15:18:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:50,479 INFO L471 AbstractCegarLoop]: Abstraction has 16595 states and 22308 transitions. [2024-12-02 15:18:50,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 15 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16595 states and 22308 transitions. [2024-12-02 15:18:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:50,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:50,483 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:50,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2024-12-02 15:18:50,483 INFO L396 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:50,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash 645770300, now seen corresponding path program 1 times [2024-12-02 15:18:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:50,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067534095] [2024-12-02 15:18:50,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:50,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:51,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:51,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067534095] [2024-12-02 15:18:51,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067534095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:51,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:51,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:18:51,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426395814] [2024-12-02 15:18:51,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:51,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:18:51,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:51,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:18:51,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:51,470 INFO L87 Difference]: Start difference. First operand 16595 states and 22308 transitions. Second operand has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:52,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:52,880 INFO L93 Difference]: Finished difference Result 27216 states and 37032 transitions. [2024-12-02 15:18:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:18:52,881 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:18:52,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:52,892 INFO L225 Difference]: With dead ends: 27216 [2024-12-02 15:18:52,893 INFO L226 Difference]: Without dead ends: 16644 [2024-12-02 15:18:52,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:18:52,900 INFO L435 NwaCegarLoop]: 875 mSDtfsCounter, 1651 mSDsluCounter, 6924 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 7799 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:52,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1653 Valid, 7799 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:18:52,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16644 states. [2024-12-02 15:18:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16644 to 16613. [2024-12-02 15:18:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16613 states, 16554 states have (on average 1.3417905038057267) internal successors, (22212), 16554 states have internal predecessors, (22212), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16613 states to 16613 states and 22326 transitions. [2024-12-02 15:18:53,086 INFO L78 Accepts]: Start accepts. Automaton has 16613 states and 22326 transitions. Word has length 284 [2024-12-02 15:18:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:53,087 INFO L471 AbstractCegarLoop]: Abstraction has 16613 states and 22326 transitions. [2024-12-02 15:18:53,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 16613 states and 22326 transitions. [2024-12-02 15:18:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:53,091 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:53,091 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:53,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2024-12-02 15:18:53,091 INFO L396 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:53,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1033060481, now seen corresponding path program 1 times [2024-12-02 15:18:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833521355] [2024-12-02 15:18:53,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:53,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:53,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833521355] [2024-12-02 15:18:53,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833521355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:53,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:53,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:18:53,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27395120] [2024-12-02 15:18:53,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:53,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:18:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:53,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:18:53,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:53,441 INFO L87 Difference]: Start difference. First operand 16613 states and 22326 transitions. Second operand has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:53,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:53,575 INFO L93 Difference]: Finished difference Result 29363 states and 39814 transitions. [2024-12-02 15:18:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:18:53,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:53,587 INFO L225 Difference]: With dead ends: 29363 [2024-12-02 15:18:53,587 INFO L226 Difference]: Without dead ends: 16845 [2024-12-02 15:18:53,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:53,595 INFO L435 NwaCegarLoop]: 971 mSDtfsCounter, 2 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:53,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3870 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:53,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16845 states. [2024-12-02 15:18:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16845 to 16787. [2024-12-02 15:18:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16787 states, 16728 states have (on average 1.3396700143472022) internal successors, (22410), 16728 states have internal predecessors, (22410), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16787 states to 16787 states and 22524 transitions. [2024-12-02 15:18:53,748 INFO L78 Accepts]: Start accepts. Automaton has 16787 states and 22524 transitions. Word has length 284 [2024-12-02 15:18:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:53,748 INFO L471 AbstractCegarLoop]: Abstraction has 16787 states and 22524 transitions. [2024-12-02 15:18:53,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16787 states and 22524 transitions. [2024-12-02 15:18:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:53,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:53,752 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:53,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2024-12-02 15:18:53,752 INFO L396 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:53,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1244371583, now seen corresponding path program 1 times [2024-12-02 15:18:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596973784] [2024-12-02 15:18:53,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:54,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596973784] [2024-12-02 15:18:54,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596973784] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:54,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:54,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:18:54,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408697139] [2024-12-02 15:18:54,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:54,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:18:54,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:54,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:18:54,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:54,620 INFO L87 Difference]: Start difference. First operand 16787 states and 22524 transitions. Second operand has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:55,452 INFO L93 Difference]: Finished difference Result 30040 states and 40687 transitions. [2024-12-02 15:18:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:18:55,453 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 284 [2024-12-02 15:18:55,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:55,465 INFO L225 Difference]: With dead ends: 30040 [2024-12-02 15:18:55,465 INFO L226 Difference]: Without dead ends: 19363 [2024-12-02 15:18:55,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:55,473 INFO L435 NwaCegarLoop]: 1028 mSDtfsCounter, 1132 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 7934 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:55,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 7934 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19363 states. [2024-12-02 15:18:55,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19363 to 16913. [2024-12-02 15:18:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16913 states, 16854 states have (on average 1.3398599738934378) internal successors, (22582), 16854 states have internal predecessors, (22582), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16913 states to 16913 states and 22696 transitions. [2024-12-02 15:18:55,637 INFO L78 Accepts]: Start accepts. Automaton has 16913 states and 22696 transitions. Word has length 284 [2024-12-02 15:18:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:55,637 INFO L471 AbstractCegarLoop]: Abstraction has 16913 states and 22696 transitions. [2024-12-02 15:18:55,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.181818181818183) internal successors, (277), 11 states have internal predecessors, (277), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:18:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 16913 states and 22696 transitions. [2024-12-02 15:18:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:55,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:55,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:55,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2024-12-02 15:18:55,642 INFO L396 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:55,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash 64722212, now seen corresponding path program 1 times [2024-12-02 15:18:55,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:55,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200580267] [2024-12-02 15:18:55,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:18:56,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:56,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200580267] [2024-12-02 15:18:56,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200580267] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:56,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:56,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:18:56,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721162777] [2024-12-02 15:18:56,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:56,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:18:56,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:56,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:18:56,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:18:56,967 INFO L87 Difference]: Start difference. First operand 16913 states and 22696 transitions. Second operand has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:59,734 INFO L93 Difference]: Finished difference Result 41544 states and 56470 transitions. [2024-12-02 15:18:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 15:18:59,734 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:18:59,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:59,754 INFO L225 Difference]: With dead ends: 41544 [2024-12-02 15:18:59,754 INFO L226 Difference]: Without dead ends: 30327 [2024-12-02 15:18:59,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2024-12-02 15:18:59,763 INFO L435 NwaCegarLoop]: 1718 mSDtfsCounter, 3400 mSDsluCounter, 13324 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3400 SdHoareTripleChecker+Valid, 15042 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:59,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3400 Valid, 15042 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 15:18:59,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30327 states. [2024-12-02 15:18:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30327 to 19374. [2024-12-02 15:18:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19374 states, 19315 states have (on average 1.334610406419881) internal successors, (25778), 19315 states have internal predecessors, (25778), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:18:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19374 states to 19374 states and 25892 transitions. [2024-12-02 15:18:59,972 INFO L78 Accepts]: Start accepts. Automaton has 19374 states and 25892 transitions. Word has length 284 [2024-12-02 15:18:59,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:59,972 INFO L471 AbstractCegarLoop]: Abstraction has 19374 states and 25892 transitions. [2024-12-02 15:18:59,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:18:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 19374 states and 25892 transitions. [2024-12-02 15:18:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:18:59,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:59,977 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:18:59,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2024-12-02 15:18:59,978 INFO L396 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:59,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1839053109, now seen corresponding path program 1 times [2024-12-02 15:18:59,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:59,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726004630] [2024-12-02 15:18:59,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:01,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:01,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726004630] [2024-12-02 15:19:01,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726004630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:01,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:19:01,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316759129] [2024-12-02 15:19:01,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:01,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:19:01,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:01,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:19:01,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:19:01,260 INFO L87 Difference]: Start difference. First operand 19374 states and 25892 transitions. Second operand has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:02,855 INFO L93 Difference]: Finished difference Result 34364 states and 46126 transitions. [2024-12-02 15:19:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:19:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:19:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:02,868 INFO L225 Difference]: With dead ends: 34364 [2024-12-02 15:19:02,868 INFO L226 Difference]: Without dead ends: 16850 [2024-12-02 15:19:02,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:19:02,877 INFO L435 NwaCegarLoop]: 893 mSDtfsCounter, 2479 mSDsluCounter, 6483 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:02,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 7376 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:19:02,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16850 states. [2024-12-02 15:19:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16850 to 16755. [2024-12-02 15:19:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16755 states, 16696 states have (on average 1.3415189266890273) internal successors, (22398), 16696 states have internal predecessors, (22398), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:19:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16755 states to 16755 states and 22512 transitions. [2024-12-02 15:19:03,045 INFO L78 Accepts]: Start accepts. Automaton has 16755 states and 22512 transitions. Word has length 284 [2024-12-02 15:19:03,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:03,046 INFO L471 AbstractCegarLoop]: Abstraction has 16755 states and 22512 transitions. [2024-12-02 15:19:03,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:03,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16755 states and 22512 transitions. [2024-12-02 15:19:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 15:19:03,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:03,050 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:03,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2024-12-02 15:19:03,050 INFO L396 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:03,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1633250219, now seen corresponding path program 1 times [2024-12-02 15:19:03,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788983012] [2024-12-02 15:19:03,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:04,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788983012] [2024-12-02 15:19:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788983012] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:19:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641152688] [2024-12-02 15:19:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:04,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:19:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:04,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:19:04,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:19:04,981 INFO L87 Difference]: Start difference. First operand 16755 states and 22512 transitions. Second operand has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:06,531 INFO L93 Difference]: Finished difference Result 16761 states and 22516 transitions. [2024-12-02 15:19:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:06,531 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 284 [2024-12-02 15:19:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:06,539 INFO L225 Difference]: With dead ends: 16761 [2024-12-02 15:19:06,539 INFO L226 Difference]: Without dead ends: 11076 [2024-12-02 15:19:06,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:19:06,543 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 1758 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 7500 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:06,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 7500 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:19:06,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11076 states. [2024-12-02 15:19:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11076 to 11007. [2024-12-02 15:19:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11007 states, 10960 states have (on average 1.3313868613138686) internal successors, (14592), 10960 states have internal predecessors, (14592), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 14682 transitions. [2024-12-02 15:19:06,649 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 14682 transitions. Word has length 284 [2024-12-02 15:19:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:06,649 INFO L471 AbstractCegarLoop]: Abstraction has 11007 states and 14682 transitions. [2024-12-02 15:19:06,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.307692307692307) internal successors, (277), 13 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 14682 transitions. [2024-12-02 15:19:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:06,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:06,652 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:06,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2024-12-02 15:19:06,652 INFO L396 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:06,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:06,653 INFO L85 PathProgramCache]: Analyzing trace with hash -89611986, now seen corresponding path program 1 times [2024-12-02 15:19:06,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:06,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801796955] [2024-12-02 15:19:06,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:06,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:07,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801796955] [2024-12-02 15:19:07,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801796955] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:07,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:07,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:19:07,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010056877] [2024-12-02 15:19:07,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:07,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:19:07,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:07,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:19:07,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:19:07,698 INFO L87 Difference]: Start difference. First operand 11007 states and 14682 transitions. Second operand has 12 states, 12 states have (on average 23.166666666666668) internal successors, (278), 12 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:08,415 INFO L93 Difference]: Finished difference Result 17486 states and 23627 transitions. [2024-12-02 15:19:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:19:08,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.166666666666668) internal successors, (278), 12 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:08,424 INFO L225 Difference]: With dead ends: 17486 [2024-12-02 15:19:08,424 INFO L226 Difference]: Without dead ends: 11325 [2024-12-02 15:19:08,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:19:08,428 INFO L435 NwaCegarLoop]: 940 mSDtfsCounter, 1769 mSDsluCounter, 6855 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 7795 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:08,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 7795 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:19:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11325 states. [2024-12-02 15:19:08,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11325 to 11307. [2024-12-02 15:19:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11307 states, 11260 states have (on average 1.327886323268206) internal successors, (14952), 11260 states have internal predecessors, (14952), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11307 states to 11307 states and 15042 transitions. [2024-12-02 15:19:08,537 INFO L78 Accepts]: Start accepts. Automaton has 11307 states and 15042 transitions. Word has length 285 [2024-12-02 15:19:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:08,537 INFO L471 AbstractCegarLoop]: Abstraction has 11307 states and 15042 transitions. [2024-12-02 15:19:08,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.166666666666668) internal successors, (278), 12 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11307 states and 15042 transitions. [2024-12-02 15:19:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:08,541 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:08,541 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:08,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2024-12-02 15:19:08,541 INFO L396 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:08,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:08,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1437987761, now seen corresponding path program 1 times [2024-12-02 15:19:08,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:08,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15961192] [2024-12-02 15:19:08,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:08,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:10,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:10,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15961192] [2024-12-02 15:19:10,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15961192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:10,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:10,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:19:10,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672515911] [2024-12-02 15:19:10,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:10,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:19:10,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:10,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:19:10,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:19:10,200 INFO L87 Difference]: Start difference. First operand 11307 states and 15042 transitions. Second operand has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:12,006 INFO L93 Difference]: Finished difference Result 18440 states and 24872 transitions. [2024-12-02 15:19:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:19:12,006 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 285 [2024-12-02 15:19:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:12,014 INFO L225 Difference]: With dead ends: 18440 [2024-12-02 15:19:12,015 INFO L226 Difference]: Without dead ends: 11307 [2024-12-02 15:19:12,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:19:12,020 INFO L435 NwaCegarLoop]: 911 mSDtfsCounter, 1641 mSDsluCounter, 9826 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 10737 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:12,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 10737 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:19:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11307 states. [2024-12-02 15:19:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11307 to 11307. [2024-12-02 15:19:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11307 states, 11260 states have (on average 1.3273534635879218) internal successors, (14946), 11260 states have internal predecessors, (14946), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11307 states to 11307 states and 15036 transitions. [2024-12-02 15:19:12,127 INFO L78 Accepts]: Start accepts. Automaton has 11307 states and 15036 transitions. Word has length 285 [2024-12-02 15:19:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:12,127 INFO L471 AbstractCegarLoop]: Abstraction has 11307 states and 15036 transitions. [2024-12-02 15:19:12,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.857142857142858) internal successors, (278), 14 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 11307 states and 15036 transitions. [2024-12-02 15:19:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:12,131 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:12,131 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:12,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2024-12-02 15:19:12,131 INFO L396 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:12,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2121804925, now seen corresponding path program 1 times [2024-12-02 15:19:12,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:12,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308452270] [2024-12-02 15:19:12,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:12,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:13,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:13,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308452270] [2024-12-02 15:19:13,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308452270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:13,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:13,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:13,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100293066] [2024-12-02 15:19:13,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:13,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:13,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:13,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:13,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:13,121 INFO L87 Difference]: Start difference. First operand 11307 states and 15036 transitions. Second operand has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:14,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:14,262 INFO L93 Difference]: Finished difference Result 17966 states and 24268 transitions. [2024-12-02 15:19:14,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:14,262 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 285 [2024-12-02 15:19:14,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:14,270 INFO L225 Difference]: With dead ends: 17966 [2024-12-02 15:19:14,271 INFO L226 Difference]: Without dead ends: 11334 [2024-12-02 15:19:14,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:19:14,276 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 1806 mSDsluCounter, 5447 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:14,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 6321 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:19:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11334 states. [2024-12-02 15:19:14,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11334 to 11310. [2024-12-02 15:19:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11310 states, 11263 states have (on average 1.3272662700878983) internal successors, (14949), 11263 states have internal predecessors, (14949), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11310 states to 11310 states and 15039 transitions. [2024-12-02 15:19:14,407 INFO L78 Accepts]: Start accepts. Automaton has 11310 states and 15039 transitions. Word has length 285 [2024-12-02 15:19:14,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:14,407 INFO L471 AbstractCegarLoop]: Abstraction has 11310 states and 15039 transitions. [2024-12-02 15:19:14,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 11310 states and 15039 transitions. [2024-12-02 15:19:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:14,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:14,411 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:14,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2024-12-02 15:19:14,411 INFO L396 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:14,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash -750952856, now seen corresponding path program 1 times [2024-12-02 15:19:14,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:14,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997927154] [2024-12-02 15:19:14,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:15,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:15,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997927154] [2024-12-02 15:19:15,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997927154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:15,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:15,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:15,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655921512] [2024-12-02 15:19:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:15,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:15,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:15,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:15,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:15,408 INFO L87 Difference]: Start difference. First operand 11310 states and 15039 transitions. Second operand has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:16,273 INFO L93 Difference]: Finished difference Result 19897 states and 26694 transitions. [2024-12-02 15:19:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:19:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:16,282 INFO L225 Difference]: With dead ends: 19897 [2024-12-02 15:19:16,282 INFO L226 Difference]: Without dead ends: 13463 [2024-12-02 15:19:16,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:19:16,287 INFO L435 NwaCegarLoop]: 940 mSDtfsCounter, 1204 mSDsluCounter, 6500 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:16,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 7440 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:19:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2024-12-02 15:19:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 11618. [2024-12-02 15:19:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11618 states, 11571 states have (on average 1.3280615331432029) internal successors, (15367), 11571 states have internal predecessors, (15367), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11618 states to 11618 states and 15457 transitions. [2024-12-02 15:19:16,403 INFO L78 Accepts]: Start accepts. Automaton has 11618 states and 15457 transitions. Word has length 285 [2024-12-02 15:19:16,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:16,403 INFO L471 AbstractCegarLoop]: Abstraction has 11618 states and 15457 transitions. [2024-12-02 15:19:16,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 11618 states and 15457 transitions. [2024-12-02 15:19:16,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:16,406 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:16,406 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:16,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2024-12-02 15:19:16,407 INFO L396 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:16,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1255493209, now seen corresponding path program 1 times [2024-12-02 15:19:16,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:16,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980456828] [2024-12-02 15:19:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:17,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:17,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980456828] [2024-12-02 15:19:17,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980456828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:17,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:17,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:17,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306102725] [2024-12-02 15:19:17,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:17,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:17,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:17,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:17,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:17,423 INFO L87 Difference]: Start difference. First operand 11618 states and 15457 transitions. Second operand has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:18,470 INFO L93 Difference]: Finished difference Result 20052 states and 26907 transitions. [2024-12-02 15:19:18,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:19:18,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:18,479 INFO L225 Difference]: With dead ends: 20052 [2024-12-02 15:19:18,479 INFO L226 Difference]: Without dead ends: 13028 [2024-12-02 15:19:18,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:19:18,484 INFO L435 NwaCegarLoop]: 926 mSDtfsCounter, 1131 mSDsluCounter, 7330 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 8256 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:18,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 8256 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:19:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13028 states. [2024-12-02 15:19:18,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13028 to 11558. [2024-12-02 15:19:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 11511 states have (on average 1.3295977760403093) internal successors, (15305), 11511 states have internal predecessors, (15305), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 15395 transitions. [2024-12-02 15:19:18,599 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 15395 transitions. Word has length 285 [2024-12-02 15:19:18,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:18,600 INFO L471 AbstractCegarLoop]: Abstraction has 11558 states and 15395 transitions. [2024-12-02 15:19:18,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 15395 transitions. [2024-12-02 15:19:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:18,603 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:18,603 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:18,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2024-12-02 15:19:18,603 INFO L396 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:18,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1887055293, now seen corresponding path program 1 times [2024-12-02 15:19:18,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:18,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493384189] [2024-12-02 15:19:18,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:19,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:19,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493384189] [2024-12-02 15:19:19,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493384189] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:19,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:19,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:19,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877455444] [2024-12-02 15:19:19,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:19,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:19,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:19,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:19,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:19,915 INFO L87 Difference]: Start difference. First operand 11558 states and 15395 transitions. Second operand has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:21,163 INFO L93 Difference]: Finished difference Result 18426 states and 24930 transitions. [2024-12-02 15:19:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:21,171 INFO L225 Difference]: With dead ends: 18426 [2024-12-02 15:19:21,171 INFO L226 Difference]: Without dead ends: 11282 [2024-12-02 15:19:21,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:19:21,176 INFO L435 NwaCegarLoop]: 927 mSDtfsCounter, 1142 mSDsluCounter, 7282 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 8209 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:21,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 8209 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:19:21,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11282 states. [2024-12-02 15:19:21,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11282 to 11276. [2024-12-02 15:19:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11276 states, 11229 states have (on average 1.3319975064564966) internal successors, (14957), 11229 states have internal predecessors, (14957), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11276 states to 11276 states and 15047 transitions. [2024-12-02 15:19:21,286 INFO L78 Accepts]: Start accepts. Automaton has 11276 states and 15047 transitions. Word has length 285 [2024-12-02 15:19:21,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:21,287 INFO L471 AbstractCegarLoop]: Abstraction has 11276 states and 15047 transitions. [2024-12-02 15:19:21,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 11276 states and 15047 transitions. [2024-12-02 15:19:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:21,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:21,290 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:21,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2024-12-02 15:19:21,290 INFO L396 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:21,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash 323614433, now seen corresponding path program 1 times [2024-12-02 15:19:21,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:21,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638273117] [2024-12-02 15:19:21,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:22,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:22,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638273117] [2024-12-02 15:19:22,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638273117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:22,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610858676] [2024-12-02 15:19:22,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:22,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:22,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:22,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:22,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:22,158 INFO L87 Difference]: Start difference. First operand 11276 states and 15047 transitions. Second operand has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:22,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:22,974 INFO L93 Difference]: Finished difference Result 19505 states and 26266 transitions. [2024-12-02 15:19:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:19:22,974 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:22,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:22,983 INFO L225 Difference]: With dead ends: 19505 [2024-12-02 15:19:22,983 INFO L226 Difference]: Without dead ends: 12787 [2024-12-02 15:19:22,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:19:22,989 INFO L435 NwaCegarLoop]: 1023 mSDtfsCounter, 1113 mSDsluCounter, 6877 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 7900 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:22,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 7900 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:19:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12787 states. [2024-12-02 15:19:23,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12787 to 10956. [2024-12-02 15:19:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10956 states, 10909 states have (on average 1.3312860940507838) internal successors, (14523), 10909 states have internal predecessors, (14523), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10956 states to 10956 states and 14613 transitions. [2024-12-02 15:19:23,103 INFO L78 Accepts]: Start accepts. Automaton has 10956 states and 14613 transitions. Word has length 285 [2024-12-02 15:19:23,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:23,104 INFO L471 AbstractCegarLoop]: Abstraction has 10956 states and 14613 transitions. [2024-12-02 15:19:23,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 10956 states and 14613 transitions. [2024-12-02 15:19:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:23,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:23,107 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:23,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2024-12-02 15:19:23,107 INFO L396 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:23,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash -180925920, now seen corresponding path program 1 times [2024-12-02 15:19:23,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:23,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866967666] [2024-12-02 15:19:23,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:23,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:24,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:24,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866967666] [2024-12-02 15:19:24,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866967666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:24,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:24,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:19:24,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771884478] [2024-12-02 15:19:24,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:24,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:19:24,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:24,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:19:24,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:19:24,047 INFO L87 Difference]: Start difference. First operand 10956 states and 14613 transitions. Second operand has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:24,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:24,967 INFO L93 Difference]: Finished difference Result 19227 states and 25808 transitions. [2024-12-02 15:19:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:24,968 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:24,976 INFO L225 Difference]: With dead ends: 19227 [2024-12-02 15:19:24,976 INFO L226 Difference]: Without dead ends: 12255 [2024-12-02 15:19:24,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:19:24,981 INFO L435 NwaCegarLoop]: 924 mSDtfsCounter, 1157 mSDsluCounter, 6406 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 7330 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:24,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 7330 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:19:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12255 states. [2024-12-02 15:19:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12255 to 10964. [2024-12-02 15:19:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10964 states, 10917 states have (on average 1.3306769258953925) internal successors, (14527), 10917 states have internal predecessors, (14527), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10964 states to 10964 states and 14617 transitions. [2024-12-02 15:19:25,091 INFO L78 Accepts]: Start accepts. Automaton has 10964 states and 14617 transitions. Word has length 285 [2024-12-02 15:19:25,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:25,091 INFO L471 AbstractCegarLoop]: Abstraction has 10964 states and 14617 transitions. [2024-12-02 15:19:25,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 10964 states and 14617 transitions. [2024-12-02 15:19:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:25,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:25,095 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:25,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2024-12-02 15:19:25,095 INFO L396 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:25,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:25,095 INFO L85 PathProgramCache]: Analyzing trace with hash -812488004, now seen corresponding path program 1 times [2024-12-02 15:19:25,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:25,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980600323] [2024-12-02 15:19:25,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:25,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980600323] [2024-12-02 15:19:25,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980600323] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:25,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:25,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:19:25,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472575265] [2024-12-02 15:19:25,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:25,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:19:25,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:25,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:19:25,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:19:25,475 INFO L87 Difference]: Start difference. First operand 10964 states and 14617 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:25,570 INFO L93 Difference]: Finished difference Result 18913 states and 25461 transitions. [2024-12-02 15:19:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:19:25,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:25,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:25,578 INFO L225 Difference]: With dead ends: 18913 [2024-12-02 15:19:25,578 INFO L226 Difference]: Without dead ends: 11132 [2024-12-02 15:19:25,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:19:25,583 INFO L435 NwaCegarLoop]: 973 mSDtfsCounter, 0 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:25,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2907 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:19:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11132 states. [2024-12-02 15:19:25,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11132 to 11132. [2024-12-02 15:19:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11132 states, 11085 states have (on average 1.3276499774470005) internal successors, (14717), 11085 states have internal predecessors, (14717), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 15:19:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11132 states to 11132 states and 14807 transitions. [2024-12-02 15:19:25,714 INFO L78 Accepts]: Start accepts. Automaton has 11132 states and 14807 transitions. Word has length 285 [2024-12-02 15:19:25,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:25,714 INFO L471 AbstractCegarLoop]: Abstraction has 11132 states and 14807 transitions. [2024-12-02 15:19:25,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 11132 states and 14807 transitions. [2024-12-02 15:19:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 15:19:25,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:25,718 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2024-12-02 15:19:25,718 INFO L396 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1532121004, now seen corresponding path program 1 times [2024-12-02 15:19:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:25,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864078892] [2024-12-02 15:19:25,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:25,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:26,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864078892] [2024-12-02 15:19:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864078892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:26,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:26,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:19:26,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302092346] [2024-12-02 15:19:26,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:26,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:19:26,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:26,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:19:26,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:19:26,967 INFO L87 Difference]: Start difference. First operand 11132 states and 14807 transitions. Second operand has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:27,684 INFO L93 Difference]: Finished difference Result 13608 states and 18112 transitions. [2024-12-02 15:19:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:19:27,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 285 [2024-12-02 15:19:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:27,691 INFO L225 Difference]: With dead ends: 13608 [2024-12-02 15:19:27,691 INFO L226 Difference]: Without dead ends: 10039 [2024-12-02 15:19:27,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:19:27,695 INFO L435 NwaCegarLoop]: 954 mSDtfsCounter, 2379 mSDsluCounter, 6633 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 7587 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:27,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 7587 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:19:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10039 states. [2024-12-02 15:19:27,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10039 to 7569. [2024-12-02 15:19:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7569 states, 7531 states have (on average 1.3139025361837737) internal successors, (9895), 7531 states have internal predecessors, (9895), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 9967 transitions. [2024-12-02 15:19:27,780 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 9967 transitions. Word has length 285 [2024-12-02 15:19:27,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:27,781 INFO L471 AbstractCegarLoop]: Abstraction has 7569 states and 9967 transitions. [2024-12-02 15:19:27,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 9967 transitions. [2024-12-02 15:19:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 15:19:27,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:27,786 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:27,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2024-12-02 15:19:27,786 INFO L396 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:27,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:27,786 INFO L85 PathProgramCache]: Analyzing trace with hash 940277645, now seen corresponding path program 1 times [2024-12-02 15:19:27,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:27,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761929642] [2024-12-02 15:19:27,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:29,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:29,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761929642] [2024-12-02 15:19:29,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761929642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:29,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:29,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:19:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065715707] [2024-12-02 15:19:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:29,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:19:29,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:29,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:19:29,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:19:29,283 INFO L87 Difference]: Start difference. First operand 7569 states and 9967 transitions. Second operand has 14 states, 14 states have (on average 19.928571428571427) internal successors, (279), 14 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:30,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:30,865 INFO L93 Difference]: Finished difference Result 11593 states and 15483 transitions. [2024-12-02 15:19:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:19:30,866 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.928571428571427) internal successors, (279), 14 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 286 [2024-12-02 15:19:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:30,871 INFO L225 Difference]: With dead ends: 11593 [2024-12-02 15:19:30,871 INFO L226 Difference]: Without dead ends: 7615 [2024-12-02 15:19:30,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:19:30,874 INFO L435 NwaCegarLoop]: 909 mSDtfsCounter, 1461 mSDsluCounter, 9077 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 9986 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:30,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 9986 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:19:30,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7615 states. [2024-12-02 15:19:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7569. [2024-12-02 15:19:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7569 states, 7531 states have (on average 1.3133713982206878) internal successors, (9891), 7531 states have internal predecessors, (9891), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 9963 transitions. [2024-12-02 15:19:30,952 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 9963 transitions. Word has length 286 [2024-12-02 15:19:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:30,952 INFO L471 AbstractCegarLoop]: Abstraction has 7569 states and 9963 transitions. [2024-12-02 15:19:30,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.928571428571427) internal successors, (279), 14 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 9963 transitions. [2024-12-02 15:19:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 15:19:30,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:30,955 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:30,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2024-12-02 15:19:30,955 INFO L396 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:30,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:30,956 INFO L85 PathProgramCache]: Analyzing trace with hash -958210134, now seen corresponding path program 1 times [2024-12-02 15:19:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:30,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098700709] [2024-12-02 15:19:30,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:32,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:32,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098700709] [2024-12-02 15:19:32,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098700709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:32,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:32,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:19:32,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958835815] [2024-12-02 15:19:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:32,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:19:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:32,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:19:32,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:19:32,362 INFO L87 Difference]: Start difference. First operand 7569 states and 9963 transitions. Second operand has 13 states, 13 states have (on average 21.46153846153846) internal successors, (279), 13 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:33,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:33,863 INFO L93 Difference]: Finished difference Result 11235 states and 15055 transitions. [2024-12-02 15:19:33,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:19:33,864 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.46153846153846) internal successors, (279), 13 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 286 [2024-12-02 15:19:33,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:33,869 INFO L225 Difference]: With dead ends: 11235 [2024-12-02 15:19:33,869 INFO L226 Difference]: Without dead ends: 7557 [2024-12-02 15:19:33,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:19:33,872 INFO L435 NwaCegarLoop]: 907 mSDtfsCounter, 1817 mSDsluCounter, 8124 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 9031 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:33,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 9031 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:19:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2024-12-02 15:19:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 7553. [2024-12-02 15:19:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7553 states, 7515 states have (on average 1.3135063206919495) internal successors, (9871), 7515 states have internal predecessors, (9871), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7553 states to 7553 states and 9943 transitions. [2024-12-02 15:19:33,949 INFO L78 Accepts]: Start accepts. Automaton has 7553 states and 9943 transitions. Word has length 286 [2024-12-02 15:19:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:33,949 INFO L471 AbstractCegarLoop]: Abstraction has 7553 states and 9943 transitions. [2024-12-02 15:19:33,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.46153846153846) internal successors, (279), 13 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7553 states and 9943 transitions. [2024-12-02 15:19:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 15:19:33,952 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:33,952 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:33,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2024-12-02 15:19:33,952 INFO L396 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:33,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash -118324484, now seen corresponding path program 1 times [2024-12-02 15:19:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:33,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270583634] [2024-12-02 15:19:33,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:34,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:34,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270583634] [2024-12-02 15:19:34,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270583634] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:34,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:34,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:19:34,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154596249] [2024-12-02 15:19:34,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:34,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:19:34,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:34,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:19:34,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:19:34,377 INFO L87 Difference]: Start difference. First operand 7553 states and 9943 transitions. Second operand has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:34,567 INFO L93 Difference]: Finished difference Result 11665 states and 15573 transitions. [2024-12-02 15:19:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:19:34,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 286 [2024-12-02 15:19:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:34,573 INFO L225 Difference]: With dead ends: 11665 [2024-12-02 15:19:34,573 INFO L226 Difference]: Without dead ends: 7645 [2024-12-02 15:19:34,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:19:34,576 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 833 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:34,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 2855 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:19:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2024-12-02 15:19:34,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 7573. [2024-12-02 15:19:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7573 states, 7535 states have (on average 1.3132050431320503) internal successors, (9895), 7535 states have internal predecessors, (9895), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7573 states to 7573 states and 9967 transitions. [2024-12-02 15:19:34,652 INFO L78 Accepts]: Start accepts. Automaton has 7573 states and 9967 transitions. Word has length 286 [2024-12-02 15:19:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:34,652 INFO L471 AbstractCegarLoop]: Abstraction has 7573 states and 9967 transitions. [2024-12-02 15:19:34,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.8) internal successors, (279), 5 states have internal predecessors, (279), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 7573 states and 9967 transitions. [2024-12-02 15:19:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 15:19:34,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:34,655 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:34,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2024-12-02 15:19:34,655 INFO L396 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:34,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash -475589060, now seen corresponding path program 1 times [2024-12-02 15:19:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:34,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740684325] [2024-12-02 15:19:34,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:35,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740684325] [2024-12-02 15:19:35,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740684325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:35,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:35,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:35,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581405794] [2024-12-02 15:19:35,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:35,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:35,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:35,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:35,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:35,661 INFO L87 Difference]: Start difference. First operand 7573 states and 9967 transitions. Second operand has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:36,832 INFO L93 Difference]: Finished difference Result 11259 states and 15085 transitions. [2024-12-02 15:19:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:36,832 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 286 [2024-12-02 15:19:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:36,838 INFO L225 Difference]: With dead ends: 11259 [2024-12-02 15:19:36,838 INFO L226 Difference]: Without dead ends: 7587 [2024-12-02 15:19:36,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:19:36,840 INFO L435 NwaCegarLoop]: 875 mSDtfsCounter, 1628 mSDsluCounter, 6297 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:36,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 7172 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:19:36,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2024-12-02 15:19:36,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 7409. [2024-12-02 15:19:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7409 states, 7371 states have (on average 1.315289648622982) internal successors, (9695), 7371 states have internal predecessors, (9695), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7409 states to 7409 states and 9767 transitions. [2024-12-02 15:19:36,919 INFO L78 Accepts]: Start accepts. Automaton has 7409 states and 9767 transitions. Word has length 286 [2024-12-02 15:19:36,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:36,919 INFO L471 AbstractCegarLoop]: Abstraction has 7409 states and 9767 transitions. [2024-12-02 15:19:36,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7409 states and 9767 transitions. [2024-12-02 15:19:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 15:19:36,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:36,921 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:36,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2024-12-02 15:19:36,922 INFO L396 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:36,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:36,922 INFO L85 PathProgramCache]: Analyzing trace with hash 26603251, now seen corresponding path program 1 times [2024-12-02 15:19:36,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:36,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848546579] [2024-12-02 15:19:36,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:36,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:37,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:37,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848546579] [2024-12-02 15:19:37,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848546579] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:37,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:37,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:19:37,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553594396] [2024-12-02 15:19:37,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:37,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:19:37,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:37,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:19:37,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:19:37,924 INFO L87 Difference]: Start difference. First operand 7409 states and 9767 transitions. Second operand has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:39,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:39,201 INFO L93 Difference]: Finished difference Result 11057 states and 14841 transitions. [2024-12-02 15:19:39,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:19:39,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 286 [2024-12-02 15:19:39,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:39,207 INFO L225 Difference]: With dead ends: 11057 [2024-12-02 15:19:39,207 INFO L226 Difference]: Without dead ends: 7417 [2024-12-02 15:19:39,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:19:39,210 INFO L435 NwaCegarLoop]: 873 mSDtfsCounter, 1621 mSDsluCounter, 6908 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:39,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 7781 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:19:39,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7417 states. [2024-12-02 15:19:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7417 to 7411. [2024-12-02 15:19:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7373 states have (on average 1.3152041231520413) internal successors, (9697), 7373 states have internal predecessors, (9697), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 9769 transitions. [2024-12-02 15:19:39,285 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 9769 transitions. Word has length 286 [2024-12-02 15:19:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:39,285 INFO L471 AbstractCegarLoop]: Abstraction has 7411 states and 9769 transitions. [2024-12-02 15:19:39,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.363636363636363) internal successors, (279), 11 states have internal predecessors, (279), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 9769 transitions. [2024-12-02 15:19:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-12-02 15:19:39,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:39,288 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:39,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2024-12-02 15:19:39,288 INFO L396 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:39,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1979536256, now seen corresponding path program 1 times [2024-12-02 15:19:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125133224] [2024-12-02 15:19:39,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 15:19:39,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125133224] [2024-12-02 15:19:39,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125133224] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939166826] [2024-12-02 15:19:39,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:39,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:39,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:19:39,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:19:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:41,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 15:19:41,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:41,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:19:41,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:41,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939166826] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:41,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:19:41,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-12-02 15:19:41,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24541662] [2024-12-02 15:19:41,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:41,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:19:41,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:41,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:19:41,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:19:41,321 INFO L87 Difference]: Start difference. First operand 7411 states and 9769 transitions. Second operand has 6 states, 5 states have (on average 56.6) internal successors, (283), 6 states have internal predecessors, (283), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:41,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:41,496 INFO L93 Difference]: Finished difference Result 14558 states and 19144 transitions. [2024-12-02 15:19:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:19:41,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 56.6) internal successors, (283), 6 states have internal predecessors, (283), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 287 [2024-12-02 15:19:41,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:41,502 INFO L225 Difference]: With dead ends: 14558 [2024-12-02 15:19:41,502 INFO L226 Difference]: Without dead ends: 7411 [2024-12-02 15:19:41,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:19:41,506 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 0 mSDsluCounter, 3867 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:41,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4837 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:19:41,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7411 states. [2024-12-02 15:19:41,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7411 to 7411. [2024-12-02 15:19:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7373 states have (on average 1.31194900311949) internal successors, (9673), 7373 states have internal predecessors, (9673), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 9745 transitions. [2024-12-02 15:19:41,614 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 9745 transitions. Word has length 287 [2024-12-02 15:19:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:41,614 INFO L471 AbstractCegarLoop]: Abstraction has 7411 states and 9745 transitions. [2024-12-02 15:19:41,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 56.6) internal successors, (283), 6 states have internal predecessors, (283), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 9745 transitions. [2024-12-02 15:19:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-12-02 15:19:41,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:41,618 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:41,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:19:41,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:41,818 INFO L396 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:41,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:41,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1048042333, now seen corresponding path program 1 times [2024-12-02 15:19:41,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:41,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860913618] [2024-12-02 15:19:41,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:42,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:42,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860913618] [2024-12-02 15:19:42,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860913618] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:42,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:42,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:19:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610875314] [2024-12-02 15:19:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:42,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:19:42,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:42,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:19:42,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:19:42,480 INFO L87 Difference]: Start difference. First operand 7411 states and 9745 transitions. Second operand has 8 states, 8 states have (on average 35.125) internal successors, (281), 8 states have internal predecessors, (281), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:43,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:43,030 INFO L93 Difference]: Finished difference Result 14853 states and 19519 transitions. [2024-12-02 15:19:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:19:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 35.125) internal successors, (281), 8 states have internal predecessors, (281), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 288 [2024-12-02 15:19:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:43,035 INFO L225 Difference]: With dead ends: 14853 [2024-12-02 15:19:43,036 INFO L226 Difference]: Without dead ends: 7592 [2024-12-02 15:19:43,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:19:43,039 INFO L435 NwaCegarLoop]: 901 mSDtfsCounter, 1001 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:43,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 5391 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:19:43,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2024-12-02 15:19:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7592. [2024-12-02 15:19:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7592 states, 7554 states have (on average 1.3126820227693936) internal successors, (9916), 7554 states have internal predecessors, (9916), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 9988 transitions. [2024-12-02 15:19:43,119 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 9988 transitions. Word has length 288 [2024-12-02 15:19:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:43,119 INFO L471 AbstractCegarLoop]: Abstraction has 7592 states and 9988 transitions. [2024-12-02 15:19:43,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 35.125) internal successors, (281), 8 states have internal predecessors, (281), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 9988 transitions. [2024-12-02 15:19:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 15:19:43,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:43,122 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:43,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2024-12-02 15:19:43,122 INFO L396 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:43,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:43,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2083128953, now seen corresponding path program 1 times [2024-12-02 15:19:43,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:43,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440995833] [2024-12-02 15:19:43,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:43,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:19:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440995833] [2024-12-02 15:19:43,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440995833] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:43,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:19:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278562032] [2024-12-02 15:19:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:43,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:19:43,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:19:43,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:19:43,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:19:43,411 INFO L87 Difference]: Start difference. First operand 7592 states and 9988 transitions. Second operand has 5 states, 5 states have (on average 56.4) internal successors, (282), 5 states have internal predecessors, (282), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:43,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:43,499 INFO L93 Difference]: Finished difference Result 14799 states and 19429 transitions. [2024-12-02 15:19:43,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:19:43,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.4) internal successors, (282), 5 states have internal predecessors, (282), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 289 [2024-12-02 15:19:43,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:43,505 INFO L225 Difference]: With dead ends: 14799 [2024-12-02 15:19:43,505 INFO L226 Difference]: Without dead ends: 7411 [2024-12-02 15:19:43,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:19:43,508 INFO L435 NwaCegarLoop]: 971 mSDtfsCounter, 36 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:43,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 3872 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:19:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7411 states. [2024-12-02 15:19:43,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7411 to 7411. [2024-12-02 15:19:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7373 states have (on average 1.3118133731181338) internal successors, (9672), 7373 states have internal predecessors, (9672), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:19:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 9744 transitions. [2024-12-02 15:19:43,585 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 9744 transitions. Word has length 289 [2024-12-02 15:19:43,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:43,585 INFO L471 AbstractCegarLoop]: Abstraction has 7411 states and 9744 transitions. [2024-12-02 15:19:43,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.4) internal successors, (282), 5 states have internal predecessors, (282), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 9744 transitions. [2024-12-02 15:19:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 15:19:43,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:43,588 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:43,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2024-12-02 15:19:43,588 INFO L396 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash -348360737, now seen corresponding path program 1 times [2024-12-02 15:19:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:19:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140400137] [2024-12-02 15:19:43,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:43,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:19:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:19:43,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:19:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:19:44,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:19:44,384 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:19:44,385 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:19:44,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2024-12-02 15:19:44,388 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:44,584 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:19:44,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:19:44 BoogieIcfgContainer [2024-12-02 15:19:44,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:19:44,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:19:44,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:19:44,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:19:44,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:15:05" (3/4) ... [2024-12-02 15:19:44,590 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:19:44,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:19:44,591 INFO L158 Benchmark]: Toolchain (without parser) took 282607.35ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 117.6MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,591 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:19:44,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.68ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 83.0MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.64ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 86.3MB in the end (delta: -3.3MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,591 INFO L158 Benchmark]: Boogie Preprocessor took 201.08ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 64.7MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,592 INFO L158 Benchmark]: RCFGBuilder took 2758.09ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.7MB in the beginning and 337.1MB in the end (delta: -272.4MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,592 INFO L158 Benchmark]: TraceAbstraction took 279006.95ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 337.1MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-02 15:19:44,592 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 2.2GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 126.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:19:44,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.68ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 83.0MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.64ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 86.3MB in the end (delta: -3.3MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.08ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 64.7MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2758.09ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.7MB in the beginning and 337.1MB in the end (delta: -272.4MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. * TraceAbstraction took 279006.95ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 337.1MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 2.2GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 126.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 202, overapproximation of bitwiseAnd at line 239, overapproximation of bitwiseAnd at line 439, overapproximation of bitwiseAnd at line 227, overapproximation of bitwiseAnd at line 243, overapproximation of bitwiseAnd at line 247, overapproximation of bitwiseAnd at line 193, overapproximation of bitwiseAnd at line 296, overapproximation of bitwiseAnd at line 188, overapproximation of bitwiseAnd at line 256, overapproximation of bitwiseAnd at line 235, overapproximation of bitwiseAnd at line 231, overapproximation of bitwiseAnd at line 292, overapproximation of bitwiseAnd at line 280, overapproximation of bitwiseAnd at line 260, overapproximation of bitwiseAnd at line 288, overapproximation of bitwiseAnd at line 203, overapproximation of bitwiseAnd at line 300, overapproximation of bitwiseAnd at line 272, overapproximation of bitwiseAnd at line 284, overapproximation of bitwiseAnd at line 268. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 31); [L30] const SORT_9 msb_SORT_9 = (SORT_9)1 << (31 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 16); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (16 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 3); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (3 - 1); [L38] const SORT_15 mask_SORT_15 = (SORT_15)-1 >> (sizeof(SORT_15) * 8 - 4); [L39] const SORT_15 msb_SORT_15 = (SORT_15)1 << (4 - 1); [L41] const SORT_17 mask_SORT_17 = (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 5); [L42] const SORT_17 msb_SORT_17 = (SORT_17)1 << (5 - 1); [L44] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 6); [L45] const SORT_19 msb_SORT_19 = (SORT_19)1 << (6 - 1); [L47] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L48] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L50] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 8); [L51] const SORT_23 msb_SORT_23 = (SORT_23)1 << (8 - 1); [L53] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 9); [L54] const SORT_25 msb_SORT_25 = (SORT_25)1 << (9 - 1); [L56] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 10); [L57] const SORT_27 msb_SORT_27 = (SORT_27)1 << (10 - 1); [L59] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 11); [L60] const SORT_29 msb_SORT_29 = (SORT_29)1 << (11 - 1); [L62] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 12); [L63] const SORT_31 msb_SORT_31 = (SORT_31)1 << (12 - 1); [L65] const SORT_33 mask_SORT_33 = (SORT_33)-1 >> (sizeof(SORT_33) * 8 - 13); [L66] const SORT_33 msb_SORT_33 = (SORT_33)1 << (13 - 1); [L68] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 14); [L69] const SORT_35 msb_SORT_35 = (SORT_35)1 << (14 - 1); [L71] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 15); [L72] const SORT_37 msb_SORT_37 = (SORT_37)1 << (15 - 1); [L74] const SORT_62 mask_SORT_62 = (SORT_62)-1 >> (sizeof(SORT_62) * 8 - 32); [L75] const SORT_62 msb_SORT_62 = (SORT_62)1 << (32 - 1); [L77] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 17); [L78] const SORT_65 msb_SORT_65 = (SORT_65)1 << (17 - 1); [L80] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 18); [L81] const SORT_68 msb_SORT_68 = (SORT_68)1 << (18 - 1); [L83] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 19); [L84] const SORT_71 msb_SORT_71 = (SORT_71)1 << (19 - 1); [L86] const SORT_74 mask_SORT_74 = (SORT_74)-1 >> (sizeof(SORT_74) * 8 - 20); [L87] const SORT_74 msb_SORT_74 = (SORT_74)1 << (20 - 1); [L89] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 21); [L90] const SORT_77 msb_SORT_77 = (SORT_77)1 << (21 - 1); [L92] const SORT_80 mask_SORT_80 = (SORT_80)-1 >> (sizeof(SORT_80) * 8 - 22); [L93] const SORT_80 msb_SORT_80 = (SORT_80)1 << (22 - 1); [L95] const SORT_83 mask_SORT_83 = (SORT_83)-1 >> (sizeof(SORT_83) * 8 - 23); [L96] const SORT_83 msb_SORT_83 = (SORT_83)1 << (23 - 1); [L98] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 24); [L99] const SORT_86 msb_SORT_86 = (SORT_86)1 << (24 - 1); [L101] const SORT_89 mask_SORT_89 = (SORT_89)-1 >> (sizeof(SORT_89) * 8 - 25); [L102] const SORT_89 msb_SORT_89 = (SORT_89)1 << (25 - 1); [L104] const SORT_92 mask_SORT_92 = (SORT_92)-1 >> (sizeof(SORT_92) * 8 - 26); [L105] const SORT_92 msb_SORT_92 = (SORT_92)1 << (26 - 1); [L107] const SORT_95 mask_SORT_95 = (SORT_95)-1 >> (sizeof(SORT_95) * 8 - 27); [L108] const SORT_95 msb_SORT_95 = (SORT_95)1 << (27 - 1); [L110] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 28); [L111] const SORT_98 msb_SORT_98 = (SORT_98)1 << (28 - 1); [L113] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 29); [L114] const SORT_101 msb_SORT_101 = (SORT_101)1 << (29 - 1); [L116] const SORT_104 mask_SORT_104 = (SORT_104)-1 >> (sizeof(SORT_104) * 8 - 30); [L117] const SORT_104 msb_SORT_104 = (SORT_104)1 << (30 - 1); [L119] const SORT_153 mask_SORT_153 = (SORT_153)-1 >> (sizeof(SORT_153) * 8 - 2); [L120] const SORT_153 msb_SORT_153 = (SORT_153)1 << (2 - 1); [L122] const SORT_1 var_7 = 0; [L123] const SORT_1 var_8 = 1; [L124] const SORT_9 var_10 = 0; [L125] const SORT_12 var_13 = 4; [L126] const SORT_12 var_114 = 5; [L127] const SORT_11 var_116 = 0; [L128] const SORT_11 var_150 = 64; [L129] const SORT_153 var_154 = 1; [L130] const SORT_23 var_189 = 127; [L131] const SORT_11 var_197 = 1; [L132] const SORT_11 var_199 = 127; [L133] const SORT_12 var_247 = 6; [L134] const SORT_15 var_251 = 9; [L135] const SORT_21 var_269 = 64; [L136] const SORT_12 var_282 = 0; [L137] const SORT_15 var_285 = 0; [L139] SORT_1 input_2; [L140] SORT_1 input_3; [L141] SORT_1 input_4; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L143] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L144] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_ushort() & mask_SORT_11 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_40=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L145] SORT_11 state_56 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_40=0, state_56=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L146] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_ushort() & mask_SORT_11 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L147] SORT_11 state_117 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_15 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L148] SORT_15 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_15 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_137=0, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L149] SORT_15 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L150] EXPR __VERIFIER_nondet_ushort() & mask_SORT_11 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_137=0, state_140=0, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_116=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L150] SORT_11 state_144 = __VERIFIER_nondet_ushort() & mask_SORT_11; [L152] SORT_11 init_118_arg_1 = var_116; [L153] state_117 = init_118_arg_1 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L156] input_2 = __VERIFIER_nondet_uchar() [L157] input_3 = __VERIFIER_nondet_uchar() [L158] EXPR input_3 & mask_SORT_1 VAL [mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L158] input_3 = input_3 & mask_SORT_1 [L159] input_4 = __VERIFIER_nondet_uchar() [L160] EXPR input_4 & mask_SORT_1 VAL [input_3=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, state_5=1, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L160] input_4 = input_4 & mask_SORT_1 [L162] SORT_1 var_125_arg_0 = state_5; [L163] SORT_1 var_125 = ~var_125_arg_0; [L164] SORT_1 var_126_arg_0 = var_125; [L165] SORT_1 var_126 = ~var_126_arg_0; [L166] SORT_1 var_127_arg_0 = state_5; [L167] SORT_1 var_127_arg_1 = var_126; VAL [input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_127_arg_0=1, var_127_arg_1=-255, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L168] EXPR var_127_arg_0 | var_127_arg_1 VAL [input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L168] SORT_1 var_127 = var_127_arg_0 | var_127_arg_1; [L169] EXPR var_127 & mask_SORT_1 VAL [input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L169] var_127 = var_127 & mask_SORT_1 [L170] SORT_1 constr_128_arg_0 = var_127; VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L171] CALL assume_abort_if_not(constr_128_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) VAL [\old(cond)=1] [L171] RET assume_abort_if_not(constr_128_arg_0) VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L172] SORT_1 var_129_arg_0 = var_8; VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_129_arg_0=1, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L173] EXPR var_129_arg_0 & mask_SORT_1 VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L173] var_129_arg_0 = var_129_arg_0 & mask_SORT_1 [L174] SORT_11 var_129 = var_129_arg_0; [L175] SORT_11 var_130_arg_0 = state_117; [L176] SORT_11 var_130_arg_1 = var_129; [L177] SORT_1 var_130 = var_130_arg_0 <= var_130_arg_1; [L178] SORT_1 var_131_arg_0 = input_4; [L179] SORT_1 var_131_arg_1 = var_130; VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_131_arg_0=0, var_131_arg_1=1, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L180] EXPR var_131_arg_0 ^ var_131_arg_1 VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L180] SORT_1 var_131 = var_131_arg_0 ^ var_131_arg_1; [L181] SORT_1 var_132_arg_0 = var_131; [L182] SORT_1 var_132 = ~var_132_arg_0; [L183] SORT_1 var_133_arg_0 = var_131; [L184] SORT_1 var_133 = ~var_133_arg_0; [L185] SORT_1 var_134_arg_0 = var_132; [L186] SORT_1 var_134_arg_1 = var_133; VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_134_arg_0=-2, var_134_arg_1=-2, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L187] EXPR var_134_arg_0 | var_134_arg_1 VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L187] SORT_1 var_134 = var_134_arg_0 | var_134_arg_1; [L188] EXPR var_134 & mask_SORT_1 VAL [constr_128_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L188] var_134 = var_134 & mask_SORT_1 [L189] SORT_1 constr_135_arg_0 = var_134; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L190] CALL assume_abort_if_not(constr_135_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) VAL [\old(cond)=1] [L190] RET assume_abort_if_not(constr_135_arg_0) VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L192] SORT_12 var_115_arg_0 = var_114; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_115_arg_0=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L193] EXPR var_115_arg_0 & mask_SORT_12 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L193] var_115_arg_0 = var_115_arg_0 & mask_SORT_12 [L194] SORT_11 var_115 = var_115_arg_0; [L195] SORT_11 var_119_arg_0 = var_115; [L196] SORT_11 var_119_arg_1 = state_117; [L197] SORT_1 var_119 = var_119_arg_0 < var_119_arg_1; [L198] SORT_1 var_14_arg_0 = input_3; [L199] SORT_1 var_14 = ~var_14_arg_0; [L200] SORT_1 var_16_arg_0 = var_14; [L201] SORT_12 var_16_arg_1 = var_13; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_16_arg_0=-1, var_16_arg_1=4, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L202] EXPR ((SORT_15)var_16_arg_0 << 3) | var_16_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L202] SORT_15 var_16 = ((SORT_15)var_16_arg_0 << 3) | var_16_arg_1; [L203] EXPR var_16 & mask_SORT_15 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L203] var_16 = var_16 & mask_SORT_15 [L204] SORT_1 var_18_arg_0 = input_3; [L205] SORT_15 var_18_arg_1 = var_16; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_18_arg_0=0, var_18_arg_1=0, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L206] EXPR ((SORT_17)var_18_arg_0 << 4) | var_18_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L206] SORT_17 var_18 = ((SORT_17)var_18_arg_0 << 4) | var_18_arg_1; [L207] EXPR var_18 & mask_SORT_17 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L207] var_18 = var_18 & mask_SORT_17 [L208] SORT_1 var_20_arg_0 = input_3; [L209] SORT_17 var_20_arg_1 = var_18; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_20_arg_0=0, var_20_arg_1=0, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L210] EXPR ((SORT_19)var_20_arg_0 << 5) | var_20_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L210] SORT_19 var_20 = ((SORT_19)var_20_arg_0 << 5) | var_20_arg_1; [L211] EXPR var_20 & mask_SORT_19 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L211] var_20 = var_20 & mask_SORT_19 [L212] SORT_1 var_22_arg_0 = input_3; [L213] SORT_19 var_22_arg_1 = var_20; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_22_arg_0=0, var_22_arg_1=0, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L214] EXPR ((SORT_21)var_22_arg_0 << 6) | var_22_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L214] SORT_21 var_22 = ((SORT_21)var_22_arg_0 << 6) | var_22_arg_1; [L215] EXPR var_22 & mask_SORT_21 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L215] var_22 = var_22 & mask_SORT_21 [L216] SORT_1 var_24_arg_0 = input_3; [L217] SORT_21 var_24_arg_1 = var_22; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_24_arg_0=0, var_24_arg_1=0, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L218] EXPR ((SORT_23)var_24_arg_0 << 7) | var_24_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L218] SORT_23 var_24 = ((SORT_23)var_24_arg_0 << 7) | var_24_arg_1; [L219] EXPR var_24 & mask_SORT_23 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L219] var_24 = var_24 & mask_SORT_23 [L220] SORT_1 var_26_arg_0 = input_3; [L221] SORT_23 var_26_arg_1 = var_24; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_26_arg_0=0, var_26_arg_1=0, var_282=0, var_285=0, var_7=0, var_8=1] [L222] EXPR ((SORT_25)var_26_arg_0 << 8) | var_26_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L222] SORT_25 var_26 = ((SORT_25)var_26_arg_0 << 8) | var_26_arg_1; [L223] EXPR var_26 & mask_SORT_25 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L223] var_26 = var_26 & mask_SORT_25 [L224] SORT_1 var_28_arg_0 = var_14; [L225] SORT_25 var_28_arg_1 = var_26; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_28_arg_0=-1, var_28_arg_1=0, var_7=0, var_8=1] [L226] EXPR ((SORT_27)var_28_arg_0 << 9) | var_28_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L226] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 9) | var_28_arg_1; [L227] EXPR var_28 & mask_SORT_27 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L227] var_28 = var_28 & mask_SORT_27 [L228] SORT_1 var_30_arg_0 = var_14; [L229] SORT_27 var_30_arg_1 = var_28; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_30_arg_0=-1, var_30_arg_1=0, var_7=0, var_8=1] [L230] EXPR ((SORT_29)var_30_arg_0 << 10) | var_30_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L230] SORT_29 var_30 = ((SORT_29)var_30_arg_0 << 10) | var_30_arg_1; [L231] EXPR var_30 & mask_SORT_29 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L231] var_30 = var_30 & mask_SORT_29 [L232] SORT_1 var_32_arg_0 = var_14; [L233] SORT_29 var_32_arg_1 = var_30; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_32_arg_0=-1, var_32_arg_1=0, var_7=0, var_8=1] [L234] EXPR ((SORT_31)var_32_arg_0 << 11) | var_32_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L234] SORT_31 var_32 = ((SORT_31)var_32_arg_0 << 11) | var_32_arg_1; [L235] EXPR var_32 & mask_SORT_31 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L235] var_32 = var_32 & mask_SORT_31 [L236] SORT_1 var_34_arg_0 = var_14; [L237] SORT_31 var_34_arg_1 = var_32; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_34_arg_0=-1, var_34_arg_1=0, var_7=0, var_8=1] [L238] EXPR ((SORT_33)var_34_arg_0 << 12) | var_34_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L238] SORT_33 var_34 = ((SORT_33)var_34_arg_0 << 12) | var_34_arg_1; [L239] EXPR var_34 & mask_SORT_33 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L239] var_34 = var_34 & mask_SORT_33 [L240] SORT_1 var_36_arg_0 = var_14; [L241] SORT_33 var_36_arg_1 = var_34; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_36_arg_0=-1, var_36_arg_1=0, var_7=0, var_8=1] [L242] EXPR ((SORT_35)var_36_arg_0 << 13) | var_36_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L242] SORT_35 var_36 = ((SORT_35)var_36_arg_0 << 13) | var_36_arg_1; [L243] EXPR var_36 & mask_SORT_35 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L243] var_36 = var_36 & mask_SORT_35 [L244] SORT_1 var_38_arg_0 = var_14; [L245] SORT_35 var_38_arg_1 = var_36; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_38_arg_0=-1, var_38_arg_1=0, var_7=0, var_8=1] [L246] EXPR ((SORT_37)var_38_arg_0 << 14) | var_38_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L246] SORT_37 var_38 = ((SORT_37)var_38_arg_0 << 14) | var_38_arg_1; [L247] EXPR var_38 & mask_SORT_37 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_14=-1, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L247] var_38 = var_38 & mask_SORT_37 [L248] SORT_1 var_39_arg_0 = var_14; [L249] SORT_37 var_39_arg_1 = var_38; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39_arg_0=-1, var_39_arg_1=0, var_7=0, var_8=1] [L250] EXPR ((SORT_11)var_39_arg_0 << 15) | var_39_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_7=0, var_8=1] [L250] SORT_11 var_39 = ((SORT_11)var_39_arg_0 << 15) | var_39_arg_1; [L251] SORT_1 var_41_arg_0 = state_40; [L252] SORT_1 var_41 = ~var_41_arg_0; [L253] SORT_1 var_42_arg_0 = state_40; [L254] SORT_12 var_42_arg_1 = var_13; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_42_arg_0=0, var_42_arg_1=4, var_7=0, var_8=1] [L255] EXPR ((SORT_15)var_42_arg_0 << 3) | var_42_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L255] SORT_15 var_42 = ((SORT_15)var_42_arg_0 << 3) | var_42_arg_1; [L256] EXPR var_42 & mask_SORT_15 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L256] var_42 = var_42 & mask_SORT_15 [L257] SORT_1 var_43_arg_0 = var_41; [L258] SORT_15 var_43_arg_1 = var_42; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_43_arg_0=-1, var_43_arg_1=0, var_7=0, var_8=1] [L259] EXPR ((SORT_17)var_43_arg_0 << 4) | var_43_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L259] SORT_17 var_43 = ((SORT_17)var_43_arg_0 << 4) | var_43_arg_1; [L260] EXPR var_43 & mask_SORT_17 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L260] var_43 = var_43 & mask_SORT_17 [L261] SORT_1 var_44_arg_0 = state_40; [L262] SORT_17 var_44_arg_1 = var_43; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_44_arg_0=0, var_44_arg_1=0, var_7=0, var_8=1] [L263] EXPR ((SORT_19)var_44_arg_0 << 5) | var_44_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L263] SORT_19 var_44 = ((SORT_19)var_44_arg_0 << 5) | var_44_arg_1; [L264] EXPR var_44 & mask_SORT_19 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L264] var_44 = var_44 & mask_SORT_19 [L265] SORT_1 var_45_arg_0 = var_41; [L266] SORT_19 var_45_arg_1 = var_44; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_45_arg_0=-1, var_45_arg_1=0, var_7=0, var_8=1] [L267] EXPR ((SORT_21)var_45_arg_0 << 6) | var_45_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L267] SORT_21 var_45 = ((SORT_21)var_45_arg_0 << 6) | var_45_arg_1; [L268] EXPR var_45 & mask_SORT_21 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L268] var_45 = var_45 & mask_SORT_21 [L269] SORT_1 var_46_arg_0 = var_41; [L270] SORT_21 var_46_arg_1 = var_45; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_46_arg_0=-1, var_46_arg_1=0, var_7=0, var_8=1] [L271] EXPR ((SORT_23)var_46_arg_0 << 7) | var_46_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L271] SORT_23 var_46 = ((SORT_23)var_46_arg_0 << 7) | var_46_arg_1; [L272] EXPR var_46 & mask_SORT_23 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_40=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L272] var_46 = var_46 & mask_SORT_23 [L273] SORT_1 var_47_arg_0 = state_40; [L274] SORT_23 var_47_arg_1 = var_46; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_47_arg_0=0, var_47_arg_1=0, var_7=0, var_8=1] [L275] EXPR ((SORT_25)var_47_arg_0 << 8) | var_47_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L275] SORT_25 var_47 = ((SORT_25)var_47_arg_0 << 8) | var_47_arg_1; [L276] EXPR var_47 & mask_SORT_25 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L276] var_47 = var_47 & mask_SORT_25 [L277] SORT_1 var_48_arg_0 = var_41; [L278] SORT_25 var_48_arg_1 = var_47; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_48_arg_0=-1, var_48_arg_1=0, var_7=0, var_8=1] [L279] EXPR ((SORT_27)var_48_arg_0 << 9) | var_48_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L279] SORT_27 var_48 = ((SORT_27)var_48_arg_0 << 9) | var_48_arg_1; [L280] EXPR var_48 & mask_SORT_27 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L280] var_48 = var_48 & mask_SORT_27 [L281] SORT_1 var_49_arg_0 = var_41; [L282] SORT_27 var_49_arg_1 = var_48; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_49_arg_0=-1, var_49_arg_1=0, var_7=0, var_8=1] [L283] EXPR ((SORT_29)var_49_arg_0 << 10) | var_49_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L283] SORT_29 var_49 = ((SORT_29)var_49_arg_0 << 10) | var_49_arg_1; [L284] EXPR var_49 & mask_SORT_29 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L284] var_49 = var_49 & mask_SORT_29 [L285] SORT_1 var_50_arg_0 = var_41; [L286] SORT_29 var_50_arg_1 = var_49; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_50_arg_0=-1, var_50_arg_1=0, var_7=0, var_8=1] [L287] EXPR ((SORT_31)var_50_arg_0 << 11) | var_50_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L287] SORT_31 var_50 = ((SORT_31)var_50_arg_0 << 11) | var_50_arg_1; [L288] EXPR var_50 & mask_SORT_31 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L288] var_50 = var_50 & mask_SORT_31 [L289] SORT_1 var_51_arg_0 = var_41; [L290] SORT_31 var_51_arg_1 = var_50; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_51_arg_0=-1, var_51_arg_1=0, var_7=0, var_8=1] [L291] EXPR ((SORT_33)var_51_arg_0 << 12) | var_51_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L291] SORT_33 var_51 = ((SORT_33)var_51_arg_0 << 12) | var_51_arg_1; [L292] EXPR var_51 & mask_SORT_33 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L292] var_51 = var_51 & mask_SORT_33 [L293] SORT_1 var_52_arg_0 = var_41; [L294] SORT_33 var_52_arg_1 = var_51; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_52_arg_0=-1, var_52_arg_1=0, var_7=0, var_8=1] [L295] EXPR ((SORT_35)var_52_arg_0 << 13) | var_52_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L295] SORT_35 var_52 = ((SORT_35)var_52_arg_0 << 13) | var_52_arg_1; [L296] EXPR var_52 & mask_SORT_35 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L296] var_52 = var_52 & mask_SORT_35 [L297] SORT_1 var_53_arg_0 = var_41; [L298] SORT_35 var_53_arg_1 = var_52; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_53_arg_0=-1, var_53_arg_1=0, var_7=0, var_8=1] [L299] EXPR ((SORT_37)var_53_arg_0 << 14) | var_53_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L299] SORT_37 var_53 = ((SORT_37)var_53_arg_0 << 14) | var_53_arg_1; [L300] EXPR var_53 & mask_SORT_37 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_41=-1, var_7=0, var_8=1] [L300] var_53 = var_53 & mask_SORT_37 [L301] SORT_1 var_54_arg_0 = var_41; [L302] SORT_37 var_54_arg_1 = var_53; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_54_arg_0=-1, var_54_arg_1=0, var_7=0, var_8=1] [L303] EXPR ((SORT_11)var_54_arg_0 << 15) | var_54_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_39=8355840, var_7=0, var_8=1] [L303] SORT_11 var_54 = ((SORT_11)var_54_arg_0 << 15) | var_54_arg_1; [L304] SORT_11 var_55_arg_0 = var_39; [L305] SORT_11 var_55_arg_1 = var_54; [L306] SORT_11 var_55 = var_55_arg_0 + var_55_arg_1; [L307] SORT_11 var_57_arg_0 = state_56; [L308] SORT_11 var_57 = -var_57_arg_0; [L309] SORT_1 var_59_arg_0 = state_58; [L310] SORT_11 var_59_arg_1 = var_57; [L311] SORT_11 var_59_arg_2 = state_56; [L312] SORT_11 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L313] SORT_11 var_60_arg_0 = var_55; [L314] SORT_11 var_60_arg_1 = var_59; [L315] SORT_11 var_60 = var_60_arg_0 + var_60_arg_1; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L316] EXPR var_60 & mask_SORT_11 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_7=0, var_8=1] [L316] var_60 = var_60 & mask_SORT_11 [L317] SORT_11 var_61_arg_0 = var_60; [L318] SORT_1 var_61 = var_61_arg_0 >> 15; [L319] SORT_1 var_63_arg_0 = var_61; [L320] SORT_9 var_63_arg_1 = var_10; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63_arg_0=0, var_63_arg_1=0, var_7=0, var_8=1] [L321] EXPR ((SORT_62)var_63_arg_0 << 31) | var_63_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L321] SORT_62 var_63 = ((SORT_62)var_63_arg_0 << 31) | var_63_arg_1; [L322] EXPR var_63 & mask_SORT_62 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L322] var_63 = var_63 & mask_SORT_62 [L323] SORT_11 var_106_arg_0 = var_60; [L324] SORT_1 var_106 = var_106_arg_0 >> 15; [L325] SORT_11 var_103_arg_0 = var_60; [L326] SORT_1 var_103 = var_103_arg_0 >> 15; [L327] SORT_11 var_100_arg_0 = var_60; [L328] SORT_1 var_100 = var_100_arg_0 >> 15; [L329] SORT_11 var_97_arg_0 = var_60; [L330] SORT_1 var_97 = var_97_arg_0 >> 15; [L331] SORT_11 var_94_arg_0 = var_60; [L332] SORT_1 var_94 = var_94_arg_0 >> 15; [L333] SORT_11 var_91_arg_0 = var_60; [L334] SORT_1 var_91 = var_91_arg_0 >> 15; [L335] SORT_11 var_88_arg_0 = var_60; [L336] SORT_1 var_88 = var_88_arg_0 >> 15; [L337] SORT_11 var_85_arg_0 = var_60; [L338] SORT_1 var_85 = var_85_arg_0 >> 15; [L339] SORT_11 var_82_arg_0 = var_60; [L340] SORT_1 var_82 = var_82_arg_0 >> 15; [L341] SORT_11 var_79_arg_0 = var_60; [L342] SORT_1 var_79 = var_79_arg_0 >> 15; [L343] SORT_11 var_76_arg_0 = var_60; [L344] SORT_1 var_76 = var_76_arg_0 >> 15; [L345] SORT_11 var_73_arg_0 = var_60; [L346] SORT_1 var_73 = var_73_arg_0 >> 15; [L347] SORT_11 var_70_arg_0 = var_60; [L348] SORT_1 var_70 = var_70_arg_0 >> 15; [L349] SORT_11 var_67_arg_0 = var_60; [L350] SORT_1 var_67 = var_67_arg_0 >> 15; [L351] SORT_11 var_64_arg_0 = var_60; [L352] SORT_1 var_64 = var_64_arg_0 >> 15; [L353] SORT_1 var_66_arg_0 = var_64; [L354] SORT_11 var_66_arg_1 = var_60; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_66_arg_0=0, var_66_arg_1=0, var_67=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L355] EXPR ((SORT_65)var_66_arg_0 << 16) | var_66_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_67=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L355] SORT_65 var_66 = ((SORT_65)var_66_arg_0 << 16) | var_66_arg_1; [L356] EXPR var_66 & mask_SORT_65 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_67=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L356] var_66 = var_66 & mask_SORT_65 [L357] SORT_1 var_69_arg_0 = var_67; [L358] SORT_65 var_69_arg_1 = var_66; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_69_arg_0=0, var_69_arg_1=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L359] EXPR ((SORT_68)var_69_arg_0 << 17) | var_69_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L359] SORT_68 var_69 = ((SORT_68)var_69_arg_0 << 17) | var_69_arg_1; [L360] EXPR var_69 & mask_SORT_68 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_70=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L360] var_69 = var_69 & mask_SORT_68 [L361] SORT_1 var_72_arg_0 = var_70; [L362] SORT_68 var_72_arg_1 = var_69; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L363] EXPR ((SORT_71)var_72_arg_0 << 18) | var_72_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L363] SORT_71 var_72 = ((SORT_71)var_72_arg_0 << 18) | var_72_arg_1; [L364] EXPR var_72 & mask_SORT_71 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_73=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L364] var_72 = var_72 & mask_SORT_71 [L365] SORT_1 var_75_arg_0 = var_73; [L366] SORT_71 var_75_arg_1 = var_72; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L367] EXPR ((SORT_74)var_75_arg_0 << 19) | var_75_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L367] SORT_74 var_75 = ((SORT_74)var_75_arg_0 << 19) | var_75_arg_1; [L368] EXPR var_75 & mask_SORT_74 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_76=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L368] var_75 = var_75 & mask_SORT_74 [L369] SORT_1 var_78_arg_0 = var_76; [L370] SORT_74 var_78_arg_1 = var_75; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_78_arg_0=0, var_78_arg_1=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L371] EXPR ((SORT_77)var_78_arg_0 << 20) | var_78_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L371] SORT_77 var_78 = ((SORT_77)var_78_arg_0 << 20) | var_78_arg_1; [L372] EXPR var_78 & mask_SORT_77 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_79=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L372] var_78 = var_78 & mask_SORT_77 [L373] SORT_1 var_81_arg_0 = var_79; [L374] SORT_77 var_81_arg_1 = var_78; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_81_arg_0=0, var_81_arg_1=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L375] EXPR ((SORT_80)var_81_arg_0 << 21) | var_81_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L375] SORT_80 var_81 = ((SORT_80)var_81_arg_0 << 21) | var_81_arg_1; [L376] EXPR var_81 & mask_SORT_80 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_82=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L376] var_81 = var_81 & mask_SORT_80 [L377] SORT_1 var_84_arg_0 = var_82; [L378] SORT_80 var_84_arg_1 = var_81; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_84_arg_0=0, var_84_arg_1=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L379] EXPR ((SORT_83)var_84_arg_0 << 22) | var_84_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L379] SORT_83 var_84 = ((SORT_83)var_84_arg_0 << 22) | var_84_arg_1; [L380] EXPR var_84 & mask_SORT_83 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_85=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L380] var_84 = var_84 & mask_SORT_83 [L381] SORT_1 var_87_arg_0 = var_85; [L382] SORT_83 var_87_arg_1 = var_84; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_87_arg_0=0, var_87_arg_1=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L383] EXPR ((SORT_86)var_87_arg_0 << 23) | var_87_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L383] SORT_86 var_87 = ((SORT_86)var_87_arg_0 << 23) | var_87_arg_1; [L384] EXPR var_87 & mask_SORT_86 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_88=0, var_8=1, var_91=0, var_94=0, var_97=0] [L384] var_87 = var_87 & mask_SORT_86 [L385] SORT_1 var_90_arg_0 = var_88; [L386] SORT_86 var_90_arg_1 = var_87; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_90_arg_0=0, var_90_arg_1=0, var_91=0, var_94=0, var_97=0] [L387] EXPR ((SORT_89)var_90_arg_0 << 24) | var_90_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_91=0, var_94=0, var_97=0] [L387] SORT_89 var_90 = ((SORT_89)var_90_arg_0 << 24) | var_90_arg_1; [L388] EXPR var_90 & mask_SORT_89 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_91=0, var_94=0, var_97=0] [L388] var_90 = var_90 & mask_SORT_89 [L389] SORT_1 var_93_arg_0 = var_91; [L390] SORT_89 var_93_arg_1 = var_90; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_93_arg_0=0, var_93_arg_1=0, var_94=0, var_97=0] [L391] EXPR ((SORT_92)var_93_arg_0 << 25) | var_93_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_94=0, var_97=0] [L391] SORT_92 var_93 = ((SORT_92)var_93_arg_0 << 25) | var_93_arg_1; [L392] EXPR var_93 & mask_SORT_92 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_94=0, var_97=0] [L392] var_93 = var_93 & mask_SORT_92 [L393] SORT_1 var_96_arg_0 = var_94; [L394] SORT_92 var_96_arg_1 = var_93; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_96_arg_0=0, var_96_arg_1=0, var_97=0] [L395] EXPR ((SORT_95)var_96_arg_0 << 26) | var_96_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_97=0] [L395] SORT_95 var_96 = ((SORT_95)var_96_arg_0 << 26) | var_96_arg_1; [L396] EXPR var_96 & mask_SORT_95 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_97=0] [L396] var_96 = var_96 & mask_SORT_95 [L397] SORT_1 var_99_arg_0 = var_97; [L398] SORT_95 var_99_arg_1 = var_96; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1, var_99_arg_0=0, var_99_arg_1=0] [L399] EXPR ((SORT_98)var_99_arg_0 << 27) | var_99_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L399] SORT_98 var_99 = ((SORT_98)var_99_arg_0 << 27) | var_99_arg_1; [L400] EXPR var_99 & mask_SORT_98 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_100=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L400] var_99 = var_99 & mask_SORT_98 [L401] SORT_1 var_102_arg_0 = var_100; [L402] SORT_98 var_102_arg_1 = var_99; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_102_arg_0=0, var_102_arg_1=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L403] EXPR ((SORT_101)var_102_arg_0 << 28) | var_102_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L403] SORT_101 var_102 = ((SORT_101)var_102_arg_0 << 28) | var_102_arg_1; [L404] EXPR var_102 & mask_SORT_101 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_103=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L404] var_102 = var_102 & mask_SORT_101 [L405] SORT_1 var_105_arg_0 = var_103; [L406] SORT_101 var_105_arg_1 = var_102; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_105_arg_0=0, var_105_arg_1=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L407] EXPR ((SORT_104)var_105_arg_0 << 29) | var_105_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L407] SORT_104 var_105 = ((SORT_104)var_105_arg_0 << 29) | var_105_arg_1; [L408] EXPR var_105 & mask_SORT_104 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_106=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L408] var_105 = var_105 & mask_SORT_104 [L409] SORT_1 var_107_arg_0 = var_106; [L410] SORT_104 var_107_arg_1 = var_105; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_107_arg_0=0, var_107_arg_1=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L411] EXPR ((SORT_9)var_107_arg_0 << 30) | var_107_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L411] SORT_9 var_107 = ((SORT_9)var_107_arg_0 << 30) | var_107_arg_1; [L412] SORT_9 var_108_arg_0 = var_107; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_108_arg_0=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L413] EXPR var_108_arg_0 & mask_SORT_9 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_63=0, var_7=0, var_8=1] [L413] var_108_arg_0 = var_108_arg_0 & mask_SORT_9 [L414] SORT_62 var_108 = var_108_arg_0; [L415] SORT_62 var_109_arg_0 = var_63; [L416] SORT_62 var_109_arg_1 = var_108; [L417] SORT_1 var_109 = var_109_arg_0 <= var_109_arg_1; [L418] SORT_1 var_110_arg_0 = var_109; [L419] SORT_1 var_110_arg_1 = var_8; [L420] SORT_1 var_110_arg_2 = var_7; [L421] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L422] EXPR var_110 & mask_SORT_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L422] var_110 = var_110 & mask_SORT_1 [L423] SORT_1 var_111_arg_0 = input_3; [L424] SORT_1 var_111_arg_1 = var_110; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_111_arg_0=0, var_111_arg_1=1, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L425] EXPR var_111_arg_0 ^ var_111_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_114=5, var_119=0, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L425] SORT_1 var_111 = var_111_arg_0 ^ var_111_arg_1; [L426] SORT_1 var_112_arg_0 = var_111; [L427] SORT_1 var_112 = ~var_112_arg_0; [L428] SORT_1 var_120_arg_0 = var_119; [L429] SORT_1 var_120_arg_1 = var_112; [L430] SORT_1 var_120_arg_2 = var_8; [L431] SORT_1 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L432] SORT_1 var_121_arg_0 = var_120; [L433] SORT_1 var_121 = ~var_121_arg_0; [L434] SORT_1 var_122_arg_0 = var_120; [L435] SORT_1 var_122 = ~var_122_arg_0; [L436] SORT_1 var_123_arg_0 = var_121; [L437] SORT_1 var_123_arg_1 = var_122; VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_114=5, var_123_arg_0=-2, var_123_arg_1=-2, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L438] EXPR var_123_arg_0 & var_123_arg_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L438] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L439] EXPR var_123 & mask_SORT_1 VAL [constr_128_arg_0=1, constr_135_arg_0=1, input_3=0, input_4=0, mask_SORT_101=536870911, mask_SORT_104=1073741823, mask_SORT_11=65535, mask_SORT_12=7, mask_SORT_153=3, mask_SORT_15=15, mask_SORT_17=31, mask_SORT_19=63, mask_SORT_1=1, mask_SORT_21=127, mask_SORT_23=255, mask_SORT_25=511, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_62=-1, mask_SORT_65=131071, mask_SORT_68=262143, mask_SORT_71=524287, mask_SORT_74=1048575, mask_SORT_77=2097151, mask_SORT_80=4194303, mask_SORT_83=8388607, mask_SORT_86=16777215, mask_SORT_89=33554431, mask_SORT_92=67108863, mask_SORT_95=134217727, mask_SORT_98=268435455, mask_SORT_9=2147483647, msb_SORT_11=32768, msb_SORT_153=2, msb_SORT_23=128, state_117=0, state_137=0, state_140=0, state_144=0, state_56=0, state_58=0, var_10=0, var_110=1, var_114=5, var_13=4, var_154=1, var_189=127, var_197=1, var_247=6, var_251=9, var_269=64, var_282=0, var_285=0, var_55=65536, var_60=0, var_7=0, var_8=1] [L439] var_123 = var_123 & mask_SORT_1 [L440] SORT_1 bad_124_arg_0 = var_123; [L441] CALL __VERIFIER_assert(!(bad_124_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 672 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 278.8s, OverallIterations: 212, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 108.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 256522 SdHoareTripleChecker+Valid, 75.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256345 mSDsluCounter, 1261288 SdHoareTripleChecker+Invalid, 67.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1051980 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73407 IncrementalHoareTripleChecker+Invalid, 73770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 209308 mSDtfsCounter, 73407 mSolverCounterSat, 2.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3357 GetRequests, 1193 SyntacticMatches, 27 SemanticMatches, 2137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2911 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19374occurred in iteration=191, InterpolantAutomatonStates: 1811, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.8s AutomataMinimizationTime, 211 MinimizatonAttempts, 113968 StatesRemovedByMinimization, 173 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 37.6s SatisfiabilityAnalysisTime, 108.3s InterpolantComputationTime, 56782 NumberOfCodeBlocks, 56782 NumberOfCodeBlocksAsserted, 214 NumberOfCheckSat, 56280 ConstructedInterpolants, 0 QuantifiedInterpolants, 307726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2338 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 213 InterpolantComputations, 211 PerfectInterpolantSequences, 847/852 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:19:44,803 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 15:19:44,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:19:46,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:19:46,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-12-02 15:19:46,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:19:46,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:19:46,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:19:46,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:19:46,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:19:46,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:19:46,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:19:46,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:19:46,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:19:46,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:19:46,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:19:46,781 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:19:46,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:19:46,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:19:46,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:19:46,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:19:46,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:19:46,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:19:46,783 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:19:46,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:46,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:46,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:19:46,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:19:46,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:19:46,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:19:46,785 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-12-02 15:19:47,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:19:47,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:19:47,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:19:47,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:19:47,038 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:19:47,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:19:49,710 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/5aa295a51/dbf9ffeccd8044759d18986e39e9e532/FLAGecad43b29 [2024-12-02 15:19:49,924 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:19:49,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:19:49,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/5aa295a51/dbf9ffeccd8044759d18986e39e9e532/FLAGecad43b29 [2024-12-02 15:19:49,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/data/5aa295a51/dbf9ffeccd8044759d18986e39e9e532 [2024-12-02 15:19:49,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:19:49,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:19:49,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:19:49,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:19:49,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:19:49,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:49" (1/1) ... [2024-12-02 15:19:49,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b95cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:49, skipping insertion in model container [2024-12-02 15:19:49,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:49" (1/1) ... [2024-12-02 15:19:49,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:19:50,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-02 15:19:50,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:19:50,305 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:19:50,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-02 15:19:50,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:19:50,410 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:19:50,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50 WrapperNode [2024-12-02 15:19:50,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:19:50,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:19:50,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:19:50,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:19:50,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,469 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2024-12-02 15:19:50,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:19:50,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:19:50,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:19:50,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:19:50,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:19:50,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:19:50,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:19:50,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:19:50,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:19:50,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (1/1) ... [2024-12-02 15:19:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:50,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:50,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:19:50,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:19:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:19:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:19:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:19:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:19:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:19:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:19:50,756 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:19:50,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:19:51,360 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-12-02 15:19:51,360 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:19:51,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:19:51,369 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:19:51,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:51 BoogieIcfgContainer [2024-12-02 15:19:51,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:19:51,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:19:51,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:19:51,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:19:51,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:19:49" (1/3) ... [2024-12-02 15:19:51,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5e2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:51, skipping insertion in model container [2024-12-02 15:19:51,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:50" (2/3) ... [2024-12-02 15:19:51,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5e2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:51, skipping insertion in model container [2024-12-02 15:19:51,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:51" (3/3) ... [2024-12-02 15:19:51,380 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-02 15:19:51,395 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:19:51,397 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:19:51,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:19:51,450 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2744d4e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:19:51,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:19:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 15:19:51,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:51,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:51,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:51,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:51,466 INFO L85 PathProgramCache]: Analyzing trace with hash 584130565, now seen corresponding path program 1 times [2024-12-02 15:19:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:51,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354644702] [2024-12-02 15:19:51,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:51,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:19:51,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:19:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:51,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:19:51,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:19:51,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:51,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:51,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354644702] [2024-12-02 15:19:51,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354644702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:51,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:51,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:19:51,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823512780] [2024-12-02 15:19:51,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:51,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:19:51,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:51,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:19:51,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:19:51,859 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:51,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:51,870 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2024-12-02 15:19:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:19:51,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-12-02 15:19:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:51,875 INFO L225 Difference]: With dead ends: 31 [2024-12-02 15:19:51,875 INFO L226 Difference]: Without dead ends: 15 [2024-12-02 15:19:51,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:19:51,880 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:51,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:19:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-12-02 15:19:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-12-02 15:19:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-12-02 15:19:51,903 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 17 [2024-12-02 15:19:51,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:51,903 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-12-02 15:19:51,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:19:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-02 15:19:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 15:19:51,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:51,905 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:51,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:19:52,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:52,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:52,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash 899554305, now seen corresponding path program 1 times [2024-12-02 15:19:52,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:52,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [274919730] [2024-12-02 15:19:52,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:52,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:52,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:19:52,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:19:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:52,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 15:19:52,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 15:19:52,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:52,957 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274919730] [2024-12-02 15:19:52,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274919730] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1104680303] [2024-12-02 15:19:52,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:19:52,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:19:52,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 15:19:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:53,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:19:53,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:19:53,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:53,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1104680303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:53,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:19:53,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2024-12-02 15:19:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405249902] [2024-12-02 15:19:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:53,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:19:53,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:53,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:19:53,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:19:53,608 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:53,862 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-12-02 15:19:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:19:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-12-02 15:19:53,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:53,863 INFO L225 Difference]: With dead ends: 24 [2024-12-02 15:19:53,863 INFO L226 Difference]: Without dead ends: 22 [2024-12-02 15:19:53,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:19:53,864 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:53,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:19:53,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-12-02 15:19:53,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-12-02 15:19:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 15:19:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-12-02 15:19:53,870 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 17 [2024-12-02 15:19:53,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:53,871 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-12-02 15:19:53,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:19:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-02 15:19:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 15:19:53,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:53,872 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 15:19:53,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 15:19:54,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:19:54,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:54,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:54,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:54,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1718916253, now seen corresponding path program 1 times [2024-12-02 15:19:54,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:54,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433449542] [2024-12-02 15:19:54,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:54,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:54,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:19:54,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:19:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:54,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 15:19:54,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 15:19:55,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:55,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:55,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433449542] [2024-12-02 15:19:55,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433449542] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:55,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [193907466] [2024-12-02 15:19:55,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:55,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:55,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:19:55,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:19:55,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 15:19:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:56,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:19:56,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 15:19:56,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:56,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [193907466] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:56,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:19:56,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2024-12-02 15:19:56,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823586129] [2024-12-02 15:19:56,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:19:56,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:19:56,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:56,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:19:56,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:19:56,472 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 15:19:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:56,752 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-12-02 15:19:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:19:56,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-12-02 15:19:56,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:56,753 INFO L225 Difference]: With dead ends: 31 [2024-12-02 15:19:56,753 INFO L226 Difference]: Without dead ends: 29 [2024-12-02 15:19:56,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:19:56,754 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:56,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:19:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-12-02 15:19:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-12-02 15:19:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:19:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-12-02 15:19:56,758 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 32 [2024-12-02 15:19:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:56,758 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-12-02 15:19:56,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 15:19:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-12-02 15:19:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 15:19:56,759 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:56,759 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-12-02 15:19:56,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:19:56,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 15:19:57,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:57,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:57,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1689441343, now seen corresponding path program 2 times [2024-12-02 15:19:57,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:57,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234616360] [2024-12-02 15:19:57,162 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:19:57,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:19:57,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:57,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:19:57,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:19:57,724 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 15:19:57,724 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:19:57,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 15:19:57,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 15:19:58,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:58,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:58,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234616360] [2024-12-02 15:19:58,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234616360] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:58,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1620392840] [2024-12-02 15:19:58,235 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:19:58,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:19:58,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:19:58,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 15:19:59,360 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 15:19:59,360 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:19:59,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 15:19:59,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 15:19:59,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:59,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1620392840] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:19:59,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:19:59,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-12-02 15:19:59,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298271869] [2024-12-02 15:19:59,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:19:59,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:19:59,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:59,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:19:59,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:19:59,825 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 15:20:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:00,457 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2024-12-02 15:20:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:20:00,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 47 [2024-12-02 15:20:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:00,458 INFO L225 Difference]: With dead ends: 38 [2024-12-02 15:20:00,458 INFO L226 Difference]: Without dead ends: 36 [2024-12-02 15:20:00,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:20:00,458 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:00,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:20:00,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-12-02 15:20:00,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-12-02 15:20:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 15:20:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2024-12-02 15:20:00,465 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 47 [2024-12-02 15:20:00,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:00,465 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-12-02 15:20:00,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 15:20:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2024-12-02 15:20:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-02 15:20:00,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:00,467 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-12-02 15:20:00,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:20:00,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 15:20:00,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:00,868 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash -110959709, now seen corresponding path program 3 times [2024-12-02 15:20:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698203953] [2024-12-02 15:20:00,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 15:20:00,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:00,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:00,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:20:03,039 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-02 15:20:03,040 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:03,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 15:20:03,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 15:20:03,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:03,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698203953] [2024-12-02 15:20:03,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698203953] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1755110082] [2024-12-02 15:20:03,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 15:20:03,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:03,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:20:03,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:20:03,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 15:20:05,254 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-02 15:20:05,254 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:05,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:20:05,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 15:20:05,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:05,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1755110082] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:05,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:20:05,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2024-12-02 15:20:05,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635784495] [2024-12-02 15:20:05,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:20:05,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:20:05,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:05,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:20:05,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:20:05,934 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-12-02 15:20:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:06,820 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-12-02 15:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:20:06,820 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 62 [2024-12-02 15:20:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:06,821 INFO L225 Difference]: With dead ends: 45 [2024-12-02 15:20:06,821 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 15:20:06,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:20:06,822 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:06,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:20:06,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 15:20:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-12-02 15:20:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 15:20:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-12-02 15:20:06,828 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 62 [2024-12-02 15:20:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:06,828 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-12-02 15:20:06,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-12-02 15:20:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-12-02 15:20:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 15:20:06,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:06,830 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-12-02 15:20:06,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 15:20:07,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:20:07,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:07,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:07,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:07,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1997417345, now seen corresponding path program 4 times [2024-12-02 15:20:07,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:07,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512388521] [2024-12-02 15:20:07,232 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 15:20:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:07,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:07,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 15:20:08,065 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 15:20:08,065 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:08,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 15:20:08,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 15:20:08,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:08,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512388521] [2024-12-02 15:20:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512388521] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [721297138] [2024-12-02 15:20:08,918 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 15:20:08,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:08,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:20:08,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:20:08,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 15:20:10,674 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 15:20:10,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:10,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:20:10,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 15:20:11,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:11,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [721297138] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:11,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:20:11,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2024-12-02 15:20:11,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308040659] [2024-12-02 15:20:11,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:20:11,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:20:11,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:11,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:20:11,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:20:11,433 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-12-02 15:20:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:13,109 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2024-12-02 15:20:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:20:13,110 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 77 [2024-12-02 15:20:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:13,110 INFO L225 Difference]: With dead ends: 52 [2024-12-02 15:20:13,110 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 15:20:13,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:20:13,111 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:13,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 133 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:20:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 15:20:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-12-02 15:20:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:20:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2024-12-02 15:20:13,117 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 77 [2024-12-02 15:20:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:13,118 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2024-12-02 15:20:13,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-12-02 15:20:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-12-02 15:20:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:20:13,119 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:13,119 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1] [2024-12-02 15:20:13,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 15:20:13,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 15:20:13,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:13,520 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:13,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1626706973, now seen corresponding path program 5 times [2024-12-02 15:20:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:13,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775495236] [2024-12-02 15:20:13,521 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 15:20:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:13,523 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:13,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 15:20:30,926 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-02 15:20:30,926 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:30,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 15:20:30,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 15:20:31,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:31,902 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775495236] [2024-12-02 15:20:31,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775495236] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1766220113] [2024-12-02 15:20:31,902 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 15:20:31,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:31,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:20:31,903 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:20:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-02 15:20:38,290 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-02 15:20:38,290 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:38,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 15:20:38,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 15:20:39,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:20:39,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1766220113] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:39,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:20:39,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2024-12-02 15:20:39,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325364823] [2024-12-02 15:20:39,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:20:39,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:20:39,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:39,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:20:39,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:20:39,170 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-12-02 15:20:40,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:40,792 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2024-12-02 15:20:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:20:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 92 [2024-12-02 15:20:40,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:40,793 INFO L225 Difference]: With dead ends: 59 [2024-12-02 15:20:40,793 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 15:20:40,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:20:40,794 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:40,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 186 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 15:20:40,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 15:20:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-12-02 15:20:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:20:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2024-12-02 15:20:40,801 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 92 [2024-12-02 15:20:40,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:40,801 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2024-12-02 15:20:40,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-12-02 15:20:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2024-12-02 15:20:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 15:20:40,802 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:40,802 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1] [2024-12-02 15:20:40,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 15:20:41,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-02 15:20:41,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:41,203 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:41,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash -790815935, now seen corresponding path program 6 times [2024-12-02 15:20:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126643941] [2024-12-02 15:20:41,205 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 15:20:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:41,206 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:41,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8ef975-9525-4737-af38-35949f85df00/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 15:20:48,654 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-02 15:20:48,654 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:20:48,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 691 conjuncts are in the unsatisfiable core [2024-12-02 15:20:48,770 INFO L279 TraceCheckSpWp]: Computing forward predicates...