./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/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_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/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 32bit --witnessprinter.graph.data.programhash 237919602f057be6bafc5b901424d626990bfa1f459ab937d0f6252d6c0cf13c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:15:01,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:15:01,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:15:01,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:15:01,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:15:01,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:15:01,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:15:01,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:15:01,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:15:01,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:15:01,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:15:01,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:15:01,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:15:01,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:15:01,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:15:01,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:15:01,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:15:01,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:15:01,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:15:01,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:15:01,282 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_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 237919602f057be6bafc5b901424d626990bfa1f459ab937d0f6252d6c0cf13c [2024-12-02 06:15:01,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:15:01,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:15:01,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:15:01,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:15:01,518 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:15:01,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-12-02 06:15:04,186 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/data/bb78e628d/ed79fa28650b49db82c67a6d30e88016/FLAG376c95208 [2024-12-02 06:15:04,436 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:15:04,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-12-02 06:15:04,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/data/bb78e628d/ed79fa28650b49db82c67a6d30e88016/FLAG376c95208 [2024-12-02 06:15:04,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/data/bb78e628d/ed79fa28650b49db82c67a6d30e88016 [2024-12-02 06:15:04,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:15:04,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:15:04,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:15:04,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:15:04,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:15:04,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7060bdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04, skipping insertion in model container [2024-12-02 06:15:04,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:15:04,693 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_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8607,8620] [2024-12-02 06:15:04,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:15:04,743 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:15:04,791 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_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8607,8620] [2024-12-02 06:15:04,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:15:04,840 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:15:04,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04 WrapperNode [2024-12-02 06:15:04,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:15:04,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:15:04,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:15:04,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:15:04,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,882 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 879 [2024-12-02 06:15:04,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:15:04,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:15:04,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:15:04,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:15:04,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,908 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 06:15:04,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:15:04,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:15:04,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:15:04,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:15:04,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (1/1) ... [2024-12-02 06:15:04,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:15:04,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:15:04,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:15:04,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee554b4-09cf-46a2-91f3-2ae2a6b592dd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:15:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:15:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:15:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:15:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:15:05,108 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:15:05,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:15:05,791 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-12-02 06:15:05,791 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:15:05,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:15:05,805 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:15:05,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:05 BoogieIcfgContainer [2024-12-02 06:15:05,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:15:05,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:15:05,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:15:05,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:15:05,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:15:04" (1/3) ... [2024-12-02 06:15:05,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469e8bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:05, skipping insertion in model container [2024-12-02 06:15:05,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:04" (2/3) ... [2024-12-02 06:15:05,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469e8bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:05, skipping insertion in model container [2024-12-02 06:15:05,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:05" (3/3) ... [2024-12-02 06:15:05,814 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-12-02 06:15:05,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:15:05,829 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c that has 1 procedures, 216 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 06:15:05,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:15:05,889 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;@5db92fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:15:05,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:15:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 216 states, 214 states have (on average 1.719626168224299) internal successors, (368), 215 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 06:15:05,900 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:05,901 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:05,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:05,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:05,905 INFO L85 PathProgramCache]: Analyzing trace with hash -981857485, now seen corresponding path program 1 times [2024-12-02 06:15:05,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:05,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554505352] [2024-12-02 06:15:05,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:05,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:06,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:06,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554505352] [2024-12-02 06:15:06,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554505352] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:06,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:06,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:06,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569662943] [2024-12-02 06:15:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:06,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:06,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:06,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:06,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:06,550 INFO L87 Difference]: Start difference. First operand has 216 states, 214 states have (on average 1.719626168224299) internal successors, (368), 215 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:06,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:06,840 INFO L93 Difference]: Finished difference Result 868 states and 1404 transitions. [2024-12-02 06:15:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:06,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-12-02 06:15:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:06,854 INFO L225 Difference]: With dead ends: 868 [2024-12-02 06:15:06,854 INFO L226 Difference]: Without dead ends: 748 [2024-12-02 06:15:06,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:06,860 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 2252 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:06,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 2341 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-12-02 06:15:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 329. [2024-12-02 06:15:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 328 states have (on average 1.5) internal successors, (492), 328 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 492 transitions. [2024-12-02 06:15:06,916 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 492 transitions. Word has length 81 [2024-12-02 06:15:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:06,917 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 492 transitions. [2024-12-02 06:15:06,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 492 transitions. [2024-12-02 06:15:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 06:15:06,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:06,919 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:06,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:15:06,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:06,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:06,921 INFO L85 PathProgramCache]: Analyzing trace with hash -651776507, now seen corresponding path program 1 times [2024-12-02 06:15:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:06,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613744985] [2024-12-02 06:15:06,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:07,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:07,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613744985] [2024-12-02 06:15:07,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613744985] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:07,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:07,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:07,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93105440] [2024-12-02 06:15:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:07,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:07,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:07,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:07,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:07,229 INFO L87 Difference]: Start difference. First operand 329 states and 492 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:07,488 INFO L93 Difference]: Finished difference Result 1425 states and 2199 transitions. [2024-12-02 06:15:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:07,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-12-02 06:15:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:07,493 INFO L225 Difference]: With dead ends: 1425 [2024-12-02 06:15:07,493 INFO L226 Difference]: Without dead ends: 1177 [2024-12-02 06:15:07,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:07,495 INFO L435 NwaCegarLoop]: 873 mSDtfsCounter, 1056 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:07,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1941 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-12-02 06:15:07,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1169. [2024-12-02 06:15:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1168 states have (on average 1.538527397260274) internal successors, (1797), 1168 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1797 transitions. [2024-12-02 06:15:07,529 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1797 transitions. Word has length 82 [2024-12-02 06:15:07,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:07,529 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1797 transitions. [2024-12-02 06:15:07,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1797 transitions. [2024-12-02 06:15:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 06:15:07,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:07,533 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:07,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:15:07,533 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:07,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:07,533 INFO L85 PathProgramCache]: Analyzing trace with hash 994859382, now seen corresponding path program 1 times [2024-12-02 06:15:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:07,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579549531] [2024-12-02 06:15:07,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:07,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579549531] [2024-12-02 06:15:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579549531] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:07,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:07,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:07,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094584696] [2024-12-02 06:15:07,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:07,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:07,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:07,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:07,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:07,702 INFO L87 Difference]: Start difference. First operand 1169 states and 1797 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:08,005 INFO L93 Difference]: Finished difference Result 3077 states and 4784 transitions. [2024-12-02 06:15:08,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:08,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-12-02 06:15:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:08,015 INFO L225 Difference]: With dead ends: 3077 [2024-12-02 06:15:08,015 INFO L226 Difference]: Without dead ends: 1951 [2024-12-02 06:15:08,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:08,017 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 1233 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:08,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 290 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:15:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2024-12-02 06:15:08,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1949. [2024-12-02 06:15:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1948 states have (on average 1.5467145790554415) internal successors, (3013), 1948 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 3013 transitions. [2024-12-02 06:15:08,086 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 3013 transitions. Word has length 83 [2024-12-02 06:15:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:08,086 INFO L471 AbstractCegarLoop]: Abstraction has 1949 states and 3013 transitions. [2024-12-02 06:15:08,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 3013 transitions. [2024-12-02 06:15:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 06:15:08,088 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:08,088 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:08,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:15:08,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:08,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:08,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1568078791, now seen corresponding path program 1 times [2024-12-02 06:15:08,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:08,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246478569] [2024-12-02 06:15:08,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:08,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:08,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:08,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246478569] [2024-12-02 06:15:08,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246478569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:08,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:08,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:08,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725635058] [2024-12-02 06:15:08,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:08,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:08,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:08,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:08,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:08,237 INFO L87 Difference]: Start difference. First operand 1949 states and 3013 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:08,504 INFO L93 Difference]: Finished difference Result 5453 states and 8491 transitions. [2024-12-02 06:15:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:08,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-12-02 06:15:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:08,516 INFO L225 Difference]: With dead ends: 5453 [2024-12-02 06:15:08,516 INFO L226 Difference]: Without dead ends: 3563 [2024-12-02 06:15:08,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:08,519 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 1191 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:08,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 294 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:08,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2024-12-02 06:15:08,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3561. [2024-12-02 06:15:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 3560 states have (on average 1.548314606741573) internal successors, (5512), 3560 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5512 transitions. [2024-12-02 06:15:08,603 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5512 transitions. Word has length 83 [2024-12-02 06:15:08,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:08,603 INFO L471 AbstractCegarLoop]: Abstraction has 3561 states and 5512 transitions. [2024-12-02 06:15:08,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5512 transitions. [2024-12-02 06:15:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 06:15:08,606 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:08,606 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:08,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:15:08,606 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:08,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2053901352, now seen corresponding path program 1 times [2024-12-02 06:15:08,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:08,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691360181] [2024-12-02 06:15:08,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:08,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:08,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691360181] [2024-12-02 06:15:08,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691360181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:08,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:08,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:08,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013111010] [2024-12-02 06:15:08,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:08,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:08,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:08,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:08,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:08,764 INFO L87 Difference]: Start difference. First operand 3561 states and 5512 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:09,028 INFO L93 Difference]: Finished difference Result 10110 states and 15709 transitions. [2024-12-02 06:15:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-12-02 06:15:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:09,049 INFO L225 Difference]: With dead ends: 10110 [2024-12-02 06:15:09,049 INFO L226 Difference]: Without dead ends: 6631 [2024-12-02 06:15:09,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:09,054 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 1153 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:09,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 296 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:09,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6631 states. [2024-12-02 06:15:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6631 to 6629. [2024-12-02 06:15:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6629 states, 6628 states have (on average 1.5446590223295111) internal successors, (10238), 6628 states have internal predecessors, (10238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 10238 transitions. [2024-12-02 06:15:09,181 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 10238 transitions. Word has length 83 [2024-12-02 06:15:09,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:09,181 INFO L471 AbstractCegarLoop]: Abstraction has 6629 states and 10238 transitions. [2024-12-02 06:15:09,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 10238 transitions. [2024-12-02 06:15:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 06:15:09,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:09,185 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:09,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:15:09,185 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:09,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1112064425, now seen corresponding path program 1 times [2024-12-02 06:15:09,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:09,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366536504] [2024-12-02 06:15:09,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:09,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:09,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366536504] [2024-12-02 06:15:09,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366536504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:09,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:09,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:09,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008948560] [2024-12-02 06:15:09,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:09,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:09,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:09,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:09,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:09,354 INFO L87 Difference]: Start difference. First operand 6629 states and 10238 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:09,621 INFO L93 Difference]: Finished difference Result 19043 states and 29467 transitions. [2024-12-02 06:15:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-12-02 06:15:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:09,656 INFO L225 Difference]: With dead ends: 19043 [2024-12-02 06:15:09,657 INFO L226 Difference]: Without dead ends: 12526 [2024-12-02 06:15:09,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:09,665 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 1115 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:09,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 298 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:09,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12526 states. [2024-12-02 06:15:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12526 to 12524. [2024-12-02 06:15:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12524 states, 12523 states have (on average 1.5389283717958955) internal successors, (19272), 12523 states have internal predecessors, (19272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12524 states to 12524 states and 19272 transitions. [2024-12-02 06:15:09,923 INFO L78 Accepts]: Start accepts. Automaton has 12524 states and 19272 transitions. Word has length 83 [2024-12-02 06:15:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:09,924 INFO L471 AbstractCegarLoop]: Abstraction has 12524 states and 19272 transitions. [2024-12-02 06:15:09,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 12524 states and 19272 transitions. [2024-12-02 06:15:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 06:15:09,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:09,930 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:09,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:15:09,930 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:09,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:09,931 INFO L85 PathProgramCache]: Analyzing trace with hash 340452666, now seen corresponding path program 1 times [2024-12-02 06:15:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:09,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280909415] [2024-12-02 06:15:09,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:09,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:10,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:10,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280909415] [2024-12-02 06:15:10,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280909415] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:10,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:10,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:10,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516470313] [2024-12-02 06:15:10,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:10,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:10,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:10,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:10,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:10,089 INFO L87 Difference]: Start difference. First operand 12524 states and 19272 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:10,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:10,409 INFO L93 Difference]: Finished difference Result 36616 states and 56454 transitions. [2024-12-02 06:15:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:10,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-12-02 06:15:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:10,457 INFO L225 Difference]: With dead ends: 36616 [2024-12-02 06:15:10,457 INFO L226 Difference]: Without dead ends: 24238 [2024-12-02 06:15:10,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:10,468 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 1101 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:10,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 307 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24238 states. [2024-12-02 06:15:10,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24238 to 24236. [2024-12-02 06:15:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24236 states, 24235 states have (on average 1.5354239735919126) internal successors, (37211), 24235 states have internal predecessors, (37211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 37211 transitions. [2024-12-02 06:15:10,773 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 37211 transitions. Word has length 83 [2024-12-02 06:15:10,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:10,773 INFO L471 AbstractCegarLoop]: Abstraction has 24236 states and 37211 transitions. [2024-12-02 06:15:10,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 37211 transitions. [2024-12-02 06:15:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 06:15:10,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:10,779 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:10,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:15:10,779 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:10,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:10,779 INFO L85 PathProgramCache]: Analyzing trace with hash 31378129, now seen corresponding path program 1 times [2024-12-02 06:15:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:10,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287621258] [2024-12-02 06:15:10,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:10,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:11,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:11,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287621258] [2024-12-02 06:15:11,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287621258] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:11,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:11,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:15:11,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159698682] [2024-12-02 06:15:11,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:11,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:15:11,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:11,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:15:11,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:15:11,308 INFO L87 Difference]: Start difference. First operand 24236 states and 37211 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:12,152 INFO L93 Difference]: Finished difference Result 62188 states and 94819 transitions. [2024-12-02 06:15:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:15:12,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-12-02 06:15:12,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:12,200 INFO L225 Difference]: With dead ends: 62188 [2024-12-02 06:15:12,201 INFO L226 Difference]: Without dead ends: 38497 [2024-12-02 06:15:12,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:15:12,224 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 1394 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:12,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 984 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:15:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38497 states. [2024-12-02 06:15:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38497 to 24334. [2024-12-02 06:15:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24334 states, 24333 states have (on average 1.5338429293551967) internal successors, (37323), 24333 states have internal predecessors, (37323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24334 states to 24334 states and 37323 transitions. [2024-12-02 06:15:12,646 INFO L78 Accepts]: Start accepts. Automaton has 24334 states and 37323 transitions. Word has length 84 [2024-12-02 06:15:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:12,646 INFO L471 AbstractCegarLoop]: Abstraction has 24334 states and 37323 transitions. [2024-12-02 06:15:12,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 24334 states and 37323 transitions. [2024-12-02 06:15:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 06:15:12,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:12,651 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:12,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:15:12,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -556971279, now seen corresponding path program 1 times [2024-12-02 06:15:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924825191] [2024-12-02 06:15:12,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:13,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:13,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924825191] [2024-12-02 06:15:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924825191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:13,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:13,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:15:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935069068] [2024-12-02 06:15:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:13,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:13,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:13,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:13,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:13,026 INFO L87 Difference]: Start difference. First operand 24334 states and 37323 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:13,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:13,110 INFO L93 Difference]: Finished difference Result 24912 states and 38188 transitions. [2024-12-02 06:15:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:13,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-12-02 06:15:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:13,146 INFO L225 Difference]: With dead ends: 24912 [2024-12-02 06:15:13,146 INFO L226 Difference]: Without dead ends: 24910 [2024-12-02 06:15:13,152 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 06:15:13,153 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:13,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1162 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:13,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24910 states. [2024-12-02 06:15:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24910 to 24910. [2024-12-02 06:15:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24910 states, 24909 states have (on average 1.5214982536432615) internal successors, (37899), 24909 states have internal predecessors, (37899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24910 states to 24910 states and 37899 transitions. [2024-12-02 06:15:13,421 INFO L78 Accepts]: Start accepts. Automaton has 24910 states and 37899 transitions. Word has length 84 [2024-12-02 06:15:13,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:13,421 INFO L471 AbstractCegarLoop]: Abstraction has 24910 states and 37899 transitions. [2024-12-02 06:15:13,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 24910 states and 37899 transitions. [2024-12-02 06:15:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 06:15:13,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:13,425 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:13,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:15:13,425 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:13,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash 192213392, now seen corresponding path program 1 times [2024-12-02 06:15:13,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098697440] [2024-12-02 06:15:13,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:13,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:13,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:13,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098697440] [2024-12-02 06:15:13,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098697440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:13,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:13,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:15:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305125133] [2024-12-02 06:15:13,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:13,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:15:13,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:13,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:15:13,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:15:13,670 INFO L87 Difference]: Start difference. First operand 24910 states and 37899 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:13,790 INFO L93 Difference]: Finished difference Result 69794 states and 105973 transitions. [2024-12-02 06:15:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:15:13,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-12-02 06:15:13,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:13,833 INFO L225 Difference]: With dead ends: 69794 [2024-12-02 06:15:13,833 INFO L226 Difference]: Without dead ends: 45792 [2024-12-02 06:15:13,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:15:13,921 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 242 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:13,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 719 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45792 states. [2024-12-02 06:15:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45792 to 45790. [2024-12-02 06:15:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45790 states, 45789 states have (on average 1.5088995173513289) internal successors, (69091), 45789 states have internal predecessors, (69091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45790 states to 45790 states and 69091 transitions. [2024-12-02 06:15:14,346 INFO L78 Accepts]: Start accepts. Automaton has 45790 states and 69091 transitions. Word has length 85 [2024-12-02 06:15:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:14,346 INFO L471 AbstractCegarLoop]: Abstraction has 45790 states and 69091 transitions. [2024-12-02 06:15:14,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 45790 states and 69091 transitions. [2024-12-02 06:15:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:14,350 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:14,350 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:14,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:15:14,350 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:14,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:14,351 INFO L85 PathProgramCache]: Analyzing trace with hash -678332428, now seen corresponding path program 1 times [2024-12-02 06:15:14,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:14,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318954297] [2024-12-02 06:15:14,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:14,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:14,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:14,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318954297] [2024-12-02 06:15:14,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318954297] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:14,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:14,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:15:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297157628] [2024-12-02 06:15:14,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:14,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:15:14,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:14,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:15:14,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:14,426 INFO L87 Difference]: Start difference. First operand 45790 states and 69091 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:14,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:14,712 INFO L93 Difference]: Finished difference Result 102918 states and 155196 transitions. [2024-12-02 06:15:14,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:15:14,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:14,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:14,776 INFO L225 Difference]: With dead ends: 102918 [2024-12-02 06:15:14,776 INFO L226 Difference]: Without dead ends: 61988 [2024-12-02 06:15:14,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:14,803 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 201 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:14,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 723 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61988 states. [2024-12-02 06:15:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61988 to 61566. [2024-12-02 06:15:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61566 states, 61565 states have (on average 1.4906196702671972) internal successors, (91770), 61565 states have internal predecessors, (91770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61566 states to 61566 states and 91770 transitions. [2024-12-02 06:15:15,634 INFO L78 Accepts]: Start accepts. Automaton has 61566 states and 91770 transitions. Word has length 86 [2024-12-02 06:15:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:15,635 INFO L471 AbstractCegarLoop]: Abstraction has 61566 states and 91770 transitions. [2024-12-02 06:15:15,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 61566 states and 91770 transitions. [2024-12-02 06:15:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:15,638 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:15,638 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:15,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:15:15,638 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:15,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:15,639 INFO L85 PathProgramCache]: Analyzing trace with hash 853569556, now seen corresponding path program 1 times [2024-12-02 06:15:15,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:15,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984530079] [2024-12-02 06:15:15,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:15,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:15,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:15,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984530079] [2024-12-02 06:15:15,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984530079] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:15,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:15,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:15,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654296001] [2024-12-02 06:15:15,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:15,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:15,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:15,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:15,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:15,800 INFO L87 Difference]: Start difference. First operand 61566 states and 91770 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:16,416 INFO L93 Difference]: Finished difference Result 152232 states and 227926 transitions. [2024-12-02 06:15:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:16,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:16,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:16,549 INFO L225 Difference]: With dead ends: 152232 [2024-12-02 06:15:16,549 INFO L226 Difference]: Without dead ends: 127142 [2024-12-02 06:15:16,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:16,575 INFO L435 NwaCegarLoop]: 470 mSDtfsCounter, 1656 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:16,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 1922 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127142 states. [2024-12-02 06:15:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127142 to 85867. [2024-12-02 06:15:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85867 states, 85866 states have (on average 1.4904269443085738) internal successors, (127977), 85866 states have internal predecessors, (127977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85867 states to 85867 states and 127977 transitions. [2024-12-02 06:15:17,676 INFO L78 Accepts]: Start accepts. Automaton has 85867 states and 127977 transitions. Word has length 86 [2024-12-02 06:15:17,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:17,676 INFO L471 AbstractCegarLoop]: Abstraction has 85867 states and 127977 transitions. [2024-12-02 06:15:17,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 85867 states and 127977 transitions. [2024-12-02 06:15:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:17,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:17,681 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:17,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:15:17,682 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:17,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:17,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1939399531, now seen corresponding path program 1 times [2024-12-02 06:15:17,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:17,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408743864] [2024-12-02 06:15:17,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:17,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408743864] [2024-12-02 06:15:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408743864] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:17,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:17,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:15:17,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490092292] [2024-12-02 06:15:17,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:17,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:15:17,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:17,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:15:17,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:17,773 INFO L87 Difference]: Start difference. First operand 85867 states and 127977 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:18,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:18,449 INFO L93 Difference]: Finished difference Result 173962 states and 258676 transitions. [2024-12-02 06:15:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:15:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:18,541 INFO L225 Difference]: With dead ends: 173962 [2024-12-02 06:15:18,542 INFO L226 Difference]: Without dead ends: 105950 [2024-12-02 06:15:18,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:18,566 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 191 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:18,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 563 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105950 states. [2024-12-02 06:15:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105950 to 105181. [2024-12-02 06:15:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105181 states, 105180 states have (on average 1.468045255752044) internal successors, (154409), 105180 states have internal predecessors, (154409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105181 states to 105181 states and 154409 transitions. [2024-12-02 06:15:19,589 INFO L78 Accepts]: Start accepts. Automaton has 105181 states and 154409 transitions. Word has length 86 [2024-12-02 06:15:19,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:19,589 INFO L471 AbstractCegarLoop]: Abstraction has 105181 states and 154409 transitions. [2024-12-02 06:15:19,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 105181 states and 154409 transitions. [2024-12-02 06:15:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:19,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:19,594 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:19,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:15:19,594 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:19,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:19,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1180678860, now seen corresponding path program 1 times [2024-12-02 06:15:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:19,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445733058] [2024-12-02 06:15:19,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:19,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:19,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:19,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445733058] [2024-12-02 06:15:19,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445733058] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:19,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:19,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:15:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604032844] [2024-12-02 06:15:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:19,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:15:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:19,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:15:19,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:19,637 INFO L87 Difference]: Start difference. First operand 105181 states and 154409 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:20,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:20,157 INFO L93 Difference]: Finished difference Result 187335 states and 274110 transitions. [2024-12-02 06:15:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:15:20,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:20,252 INFO L225 Difference]: With dead ends: 187335 [2024-12-02 06:15:20,253 INFO L226 Difference]: Without dead ends: 122027 [2024-12-02 06:15:20,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:20,276 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 179 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:20,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 561 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122027 states. [2024-12-02 06:15:21,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122027 to 120938. [2024-12-02 06:15:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120938 states, 120937 states have (on average 1.4426271529804775) internal successors, (174467), 120937 states have internal predecessors, (174467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120938 states to 120938 states and 174467 transitions. [2024-12-02 06:15:21,636 INFO L78 Accepts]: Start accepts. Automaton has 120938 states and 174467 transitions. Word has length 86 [2024-12-02 06:15:21,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:21,637 INFO L471 AbstractCegarLoop]: Abstraction has 120938 states and 174467 transitions. [2024-12-02 06:15:21,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 120938 states and 174467 transitions. [2024-12-02 06:15:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:21,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:21,643 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:21,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:15:21,643 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1532637769, now seen corresponding path program 1 times [2024-12-02 06:15:21,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:21,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201727135] [2024-12-02 06:15:21,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:21,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:21,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:21,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201727135] [2024-12-02 06:15:21,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201727135] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:21,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:21,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:15:21,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676939297] [2024-12-02 06:15:21,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:21,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:15:21,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:21,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:15:21,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:21,702 INFO L87 Difference]: Start difference. First operand 120938 states and 174467 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:22,333 INFO L93 Difference]: Finished difference Result 172433 states and 247614 transitions. [2024-12-02 06:15:22,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:15:22,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:22,421 INFO L225 Difference]: With dead ends: 172433 [2024-12-02 06:15:22,421 INFO L226 Difference]: Without dead ends: 124695 [2024-12-02 06:15:22,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:22,438 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 171 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:22,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 562 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:22,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124695 states. [2024-12-02 06:15:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124695 to 110585. [2024-12-02 06:15:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110585 states, 110584 states have (on average 1.4202416262750488) internal successors, (157056), 110584 states have internal predecessors, (157056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110585 states to 110585 states and 157056 transitions. [2024-12-02 06:15:23,806 INFO L78 Accepts]: Start accepts. Automaton has 110585 states and 157056 transitions. Word has length 86 [2024-12-02 06:15:23,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:23,806 INFO L471 AbstractCegarLoop]: Abstraction has 110585 states and 157056 transitions. [2024-12-02 06:15:23,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 110585 states and 157056 transitions. [2024-12-02 06:15:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:23,814 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:23,814 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:23,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:15:23,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:23,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:23,815 INFO L85 PathProgramCache]: Analyzing trace with hash 659649973, now seen corresponding path program 1 times [2024-12-02 06:15:23,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:23,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870536735] [2024-12-02 06:15:23,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:23,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:23,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:23,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870536735] [2024-12-02 06:15:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870536735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:23,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:15:23,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590696007] [2024-12-02 06:15:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:23,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:15:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:23,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:15:23,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:23,876 INFO L87 Difference]: Start difference. First operand 110585 states and 157056 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:24,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:24,681 INFO L93 Difference]: Finished difference Result 254128 states and 360092 transitions. [2024-12-02 06:15:24,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:15:24,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:24,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:24,806 INFO L225 Difference]: With dead ends: 254128 [2024-12-02 06:15:24,807 INFO L226 Difference]: Without dead ends: 149122 [2024-12-02 06:15:24,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:15:24,840 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 207 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:24,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 577 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:15:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149122 states. [2024-12-02 06:15:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149122 to 148719. [2024-12-02 06:15:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148719 states, 148718 states have (on average 1.397793138692021) internal successors, (207877), 148718 states have internal predecessors, (207877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148719 states to 148719 states and 207877 transitions. [2024-12-02 06:15:26,228 INFO L78 Accepts]: Start accepts. Automaton has 148719 states and 207877 transitions. Word has length 86 [2024-12-02 06:15:26,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:26,228 INFO L471 AbstractCegarLoop]: Abstraction has 148719 states and 207877 transitions. [2024-12-02 06:15:26,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 148719 states and 207877 transitions. [2024-12-02 06:15:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:26,234 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:26,234 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:26,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:15:26,235 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:26,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 687721653, now seen corresponding path program 1 times [2024-12-02 06:15:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:26,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083751346] [2024-12-02 06:15:26,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:26,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:26,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083751346] [2024-12-02 06:15:26,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083751346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:26,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:26,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:26,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973876594] [2024-12-02 06:15:26,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:26,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:26,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:26,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:26,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:26,560 INFO L87 Difference]: Start difference. First operand 148719 states and 207877 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:27,335 INFO L93 Difference]: Finished difference Result 290859 states and 409113 transitions. [2024-12-02 06:15:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:27,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:27,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:27,617 INFO L225 Difference]: With dead ends: 290859 [2024-12-02 06:15:27,618 INFO L226 Difference]: Without dead ends: 253156 [2024-12-02 06:15:27,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:27,680 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 1724 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:27,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 1824 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253156 states. [2024-12-02 06:15:29,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253156 to 169954. [2024-12-02 06:15:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169954 states, 169953 states have (on average 1.3997222761587027) internal successors, (237887), 169953 states have internal predecessors, (237887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169954 states to 169954 states and 237887 transitions. [2024-12-02 06:15:30,062 INFO L78 Accepts]: Start accepts. Automaton has 169954 states and 237887 transitions. Word has length 86 [2024-12-02 06:15:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:30,062 INFO L471 AbstractCegarLoop]: Abstraction has 169954 states and 237887 transitions. [2024-12-02 06:15:30,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 169954 states and 237887 transitions. [2024-12-02 06:15:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:30,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:30,075 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:30,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:15:30,076 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:30,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:30,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1169859212, now seen corresponding path program 1 times [2024-12-02 06:15:30,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:30,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604140679] [2024-12-02 06:15:30,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:30,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:30,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:30,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604140679] [2024-12-02 06:15:30,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604140679] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:30,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:30,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:30,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018684990] [2024-12-02 06:15:30,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:30,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:30,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:30,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:30,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:30,229 INFO L87 Difference]: Start difference. First operand 169954 states and 237887 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:31,304 INFO L93 Difference]: Finished difference Result 301918 states and 424123 transitions. [2024-12-02 06:15:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:31,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:31,551 INFO L225 Difference]: With dead ends: 301918 [2024-12-02 06:15:31,551 INFO L226 Difference]: Without dead ends: 277355 [2024-12-02 06:15:31,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:31,579 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 1836 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:31,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 1890 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277355 states. [2024-12-02 06:15:33,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277355 to 182345. [2024-12-02 06:15:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182345 states, 182344 states have (on average 1.4011154740490501) internal successors, (255485), 182344 states have internal predecessors, (255485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182345 states to 182345 states and 255485 transitions. [2024-12-02 06:15:33,853 INFO L78 Accepts]: Start accepts. Automaton has 182345 states and 255485 transitions. Word has length 86 [2024-12-02 06:15:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:33,853 INFO L471 AbstractCegarLoop]: Abstraction has 182345 states and 255485 transitions. [2024-12-02 06:15:33,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 182345 states and 255485 transitions. [2024-12-02 06:15:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 06:15:33,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:33,863 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:33,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:15:33,863 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:33,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1883936087, now seen corresponding path program 1 times [2024-12-02 06:15:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338195139] [2024-12-02 06:15:33,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:34,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:34,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338195139] [2024-12-02 06:15:34,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338195139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:34,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:34,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:34,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651571418] [2024-12-02 06:15:34,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:34,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:34,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:34,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:34,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:34,048 INFO L87 Difference]: Start difference. First operand 182345 states and 255485 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:35,215 INFO L93 Difference]: Finished difference Result 299173 states and 419893 transitions. [2024-12-02 06:15:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:35,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 06:15:35,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:35,470 INFO L225 Difference]: With dead ends: 299173 [2024-12-02 06:15:35,470 INFO L226 Difference]: Without dead ends: 288182 [2024-12-02 06:15:35,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:35,503 INFO L435 NwaCegarLoop]: 435 mSDtfsCounter, 1667 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:35,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 2137 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288182 states. [2024-12-02 06:15:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288182 to 193172. [2024-12-02 06:15:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193172 states, 193171 states have (on average 1.4011368166029063) internal successors, (270659), 193171 states have internal predecessors, (270659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193172 states to 193172 states and 270659 transitions. [2024-12-02 06:15:37,929 INFO L78 Accepts]: Start accepts. Automaton has 193172 states and 270659 transitions. Word has length 86 [2024-12-02 06:15:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:37,929 INFO L471 AbstractCegarLoop]: Abstraction has 193172 states and 270659 transitions. [2024-12-02 06:15:37,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 193172 states and 270659 transitions. [2024-12-02 06:15:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 06:15:37,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:37,938 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:37,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:15:37,939 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:37,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:37,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2030144641, now seen corresponding path program 1 times [2024-12-02 06:15:37,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:37,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202327029] [2024-12-02 06:15:37,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:38,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:38,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202327029] [2024-12-02 06:15:38,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202327029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:38,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:38,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:15:38,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013303123] [2024-12-02 06:15:38,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:38,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:38,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:38,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:38,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:38,097 INFO L87 Difference]: Start difference. First operand 193172 states and 270659 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:39,030 INFO L93 Difference]: Finished difference Result 370407 states and 520424 transitions. [2024-12-02 06:15:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:15:39,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-12-02 06:15:39,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:39,725 INFO L225 Difference]: With dead ends: 370407 [2024-12-02 06:15:39,725 INFO L226 Difference]: Without dead ends: 326666 [2024-12-02 06:15:39,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:15:39,772 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 1640 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:39,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 2253 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:15:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326666 states. [2024-12-02 06:15:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326666 to 211550. [2024-12-02 06:15:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211550 states, 211549 states have (on average 1.4013396423523627) internal successors, (296452), 211549 states have internal predecessors, (296452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211550 states to 211550 states and 296452 transitions. [2024-12-02 06:15:42,542 INFO L78 Accepts]: Start accepts. Automaton has 211550 states and 296452 transitions. Word has length 87 [2024-12-02 06:15:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:42,543 INFO L471 AbstractCegarLoop]: Abstraction has 211550 states and 296452 transitions. [2024-12-02 06:15:42,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 211550 states and 296452 transitions. [2024-12-02 06:15:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:15:42,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:42,558 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:42,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:15:42,559 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:42,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1749086746, now seen corresponding path program 1 times [2024-12-02 06:15:42,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:42,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502977195] [2024-12-02 06:15:42,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:42,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:42,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502977195] [2024-12-02 06:15:42,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502977195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:42,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:42,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:15:42,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938003942] [2024-12-02 06:15:42,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:42,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:42,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:42,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:42,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:42,715 INFO L87 Difference]: Start difference. First operand 211550 states and 296452 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:44,423 INFO L93 Difference]: Finished difference Result 535320 states and 745443 transitions. [2024-12-02 06:15:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:15:44,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-12-02 06:15:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:44,840 INFO L225 Difference]: With dead ends: 535320 [2024-12-02 06:15:44,841 INFO L226 Difference]: Without dead ends: 403207 [2024-12-02 06:15:44,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:15:44,926 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 1498 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:44,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 486 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:15:45,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403207 states. [2024-12-02 06:15:48,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403207 to 211630. [2024-12-02 06:15:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211630 states, 211629 states have (on average 1.4012635319356044) internal successors, (296548), 211629 states have internal predecessors, (296548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211630 states to 211630 states and 296548 transitions. [2024-12-02 06:15:48,671 INFO L78 Accepts]: Start accepts. Automaton has 211630 states and 296548 transitions. Word has length 91 [2024-12-02 06:15:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:48,671 INFO L471 AbstractCegarLoop]: Abstraction has 211630 states and 296548 transitions. [2024-12-02 06:15:48,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 211630 states and 296548 transitions. [2024-12-02 06:15:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:15:48,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:48,684 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:48,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:15:48,684 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:48,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:48,685 INFO L85 PathProgramCache]: Analyzing trace with hash 652905372, now seen corresponding path program 1 times [2024-12-02 06:15:48,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:48,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433336680] [2024-12-02 06:15:48,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:48,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:48,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:48,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433336680] [2024-12-02 06:15:48,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433336680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:48,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:48,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:15:48,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060523798] [2024-12-02 06:15:48,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:48,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:48,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:48,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:48,770 INFO L87 Difference]: Start difference. First operand 211630 states and 296548 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:50,639 INFO L93 Difference]: Finished difference Result 713128 states and 996531 transitions. [2024-12-02 06:15:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:15:50,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-12-02 06:15:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:51,252 INFO L225 Difference]: With dead ends: 713128 [2024-12-02 06:15:51,252 INFO L226 Difference]: Without dead ends: 597108 [2024-12-02 06:15:51,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:15:51,337 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 2133 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:51,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 602 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:15:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597108 states. [2024-12-02 06:15:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597108 to 211866. [2024-12-02 06:15:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211866 states, 211865 states have (on average 1.4010761569867605) internal successors, (296839), 211865 states have internal predecessors, (296839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:55,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211866 states to 211866 states and 296839 transitions. [2024-12-02 06:15:55,721 INFO L78 Accepts]: Start accepts. Automaton has 211866 states and 296839 transitions. Word has length 91 [2024-12-02 06:15:55,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:55,722 INFO L471 AbstractCegarLoop]: Abstraction has 211866 states and 296839 transitions. [2024-12-02 06:15:55,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 211866 states and 296839 transitions. [2024-12-02 06:15:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:15:55,734 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:55,734 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:15:55,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:15:55,734 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:55,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:55,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1736330278, now seen corresponding path program 1 times [2024-12-02 06:15:55,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:15:55,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761088566] [2024-12-02 06:15:55,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:55,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:15:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:15:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:15:55,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761088566] [2024-12-02 06:15:55,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761088566] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:55,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:55,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:15:55,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282451432] [2024-12-02 06:15:55,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:55,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:15:55,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:15:55,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:15:55,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:15:55,822 INFO L87 Difference]: Start difference. First operand 211866 states and 296839 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:15:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:58,147 INFO L93 Difference]: Finished difference Result 711353 states and 990911 transitions. [2024-12-02 06:15:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:15:58,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-12-02 06:15:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:58,764 INFO L225 Difference]: With dead ends: 711353 [2024-12-02 06:15:58,764 INFO L226 Difference]: Without dead ends: 610060 [2024-12-02 06:15:58,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:15:58,813 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 2017 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:58,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 572 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:15:59,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610060 states. [2024-12-02 06:16:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610060 to 212250. [2024-12-02 06:16:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212250 states, 212249 states have (on average 1.4007934077427926) internal successors, (297317), 212249 states have internal predecessors, (297317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212250 states to 212250 states and 297317 transitions. [2024-12-02 06:16:02,963 INFO L78 Accepts]: Start accepts. Automaton has 212250 states and 297317 transitions. Word has length 91 [2024-12-02 06:16:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:16:02,963 INFO L471 AbstractCegarLoop]: Abstraction has 212250 states and 297317 transitions. [2024-12-02 06:16:02,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 212250 states and 297317 transitions. [2024-12-02 06:16:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:16:02,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:16:02,973 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:16:02,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:16:02,973 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:16:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:16:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1129043888, now seen corresponding path program 1 times [2024-12-02 06:16:02,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:16:02,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489149784] [2024-12-02 06:16:02,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:16:02,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:16:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:16:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:16:03,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:16:03,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489149784] [2024-12-02 06:16:03,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489149784] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:16:03,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:16:03,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:16:03,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180266128] [2024-12-02 06:16:03,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:16:03,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:16:03,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:16:03,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:16:03,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:16:03,063 INFO L87 Difference]: Start difference. First operand 212250 states and 297317 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:04,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:16:04,732 INFO L93 Difference]: Finished difference Result 597047 states and 828758 transitions. [2024-12-02 06:16:04,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:16:04,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-12-02 06:16:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:16:05,307 INFO L225 Difference]: With dead ends: 597047 [2024-12-02 06:16:05,307 INFO L226 Difference]: Without dead ends: 524812 [2024-12-02 06:16:05,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:16:05,399 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 1885 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:16:05,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 557 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:16:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524812 states. [2024-12-02 06:16:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524812 to 213002. [2024-12-02 06:16:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213002 states, 213001 states have (on average 1.4004159604884485) internal successors, (298290), 213001 states have internal predecessors, (298290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213002 states to 213002 states and 298290 transitions. [2024-12-02 06:16:09,496 INFO L78 Accepts]: Start accepts. Automaton has 213002 states and 298290 transitions. Word has length 91 [2024-12-02 06:16:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:16:09,497 INFO L471 AbstractCegarLoop]: Abstraction has 213002 states and 298290 transitions. [2024-12-02 06:16:09,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 213002 states and 298290 transitions. [2024-12-02 06:16:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:16:09,507 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:16:09,507 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:16:09,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:16:09,508 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:16:09,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:16:09,508 INFO L85 PathProgramCache]: Analyzing trace with hash -573651491, now seen corresponding path program 1 times [2024-12-02 06:16:09,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:16:09,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60656923] [2024-12-02 06:16:09,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:16:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:16:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:16:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:16:09,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:16:09,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60656923] [2024-12-02 06:16:09,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60656923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:16:09,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:16:09,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:16:09,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536301420] [2024-12-02 06:16:09,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:16:09,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:16:09,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:16:09,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:16:09,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:16:09,595 INFO L87 Difference]: Start difference. First operand 213002 states and 298290 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:16:11,121 INFO L93 Difference]: Finished difference Result 529688 states and 737344 transitions. [2024-12-02 06:16:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:16:11,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-02 06:16:11,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:16:11,615 INFO L225 Difference]: With dead ends: 529688 [2024-12-02 06:16:11,615 INFO L226 Difference]: Without dead ends: 471816 [2024-12-02 06:16:11,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:16:11,693 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 1742 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:16:11,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 551 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:16:11,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471816 states. [2024-12-02 06:16:14,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471816 to 284273. [2024-12-02 06:16:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284273 states, 284272 states have (on average 1.3957653233522824) internal successors, (396777), 284272 states have internal predecessors, (396777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284273 states to 284273 states and 396777 transitions. [2024-12-02 06:16:15,852 INFO L78 Accepts]: Start accepts. Automaton has 284273 states and 396777 transitions. Word has length 92 [2024-12-02 06:16:15,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:16:15,852 INFO L471 AbstractCegarLoop]: Abstraction has 284273 states and 396777 transitions. [2024-12-02 06:16:15,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 284273 states and 396777 transitions. [2024-12-02 06:16:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:16:15,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:16:15,868 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:16:15,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:16:15,868 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:16:15,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:16:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1578064, now seen corresponding path program 1 times [2024-12-02 06:16:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:16:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21181755] [2024-12-02 06:16:15,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:16:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:16:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:16:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:16:16,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:16:16,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21181755] [2024-12-02 06:16:16,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21181755] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:16:16,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:16:16,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:16:16,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699784778] [2024-12-02 06:16:16,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:16:16,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:16:16,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:16:16,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:16:16,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:16:16,157 INFO L87 Difference]: Start difference. First operand 284273 states and 396777 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:16:18,171 INFO L93 Difference]: Finished difference Result 700643 states and 975979 transitions. [2024-12-02 06:16:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:16:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 06:16:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:16:18,732 INFO L225 Difference]: With dead ends: 700643 [2024-12-02 06:16:18,732 INFO L226 Difference]: Without dead ends: 459921 [2024-12-02 06:16:18,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:16:18,850 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 1673 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:16:18,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 1014 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:16:19,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459921 states. [2024-12-02 06:16:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459921 to 284368. [2024-12-02 06:16:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284368 states, 284367 states have (on average 1.3951583692903888) internal successors, (396737), 284367 states have internal predecessors, (396737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284368 states to 284368 states and 396737 transitions. [2024-12-02 06:16:22,979 INFO L78 Accepts]: Start accepts. Automaton has 284368 states and 396737 transitions. Word has length 93 [2024-12-02 06:16:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:16:22,979 INFO L471 AbstractCegarLoop]: Abstraction has 284368 states and 396737 transitions. [2024-12-02 06:16:22,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 284368 states and 396737 transitions. [2024-12-02 06:16:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:16:22,989 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:16:22,989 INFO L218 NwaCegarLoop]: trace 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] [2024-12-02 06:16:22,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:16:22,990 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:16:22,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:16:22,990 INFO L85 PathProgramCache]: Analyzing trace with hash -222625202, now seen corresponding path program 1 times [2024-12-02 06:16:22,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:16:22,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545016777] [2024-12-02 06:16:22,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:16:22,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:16:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:16:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:16:23,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:16:23,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545016777] [2024-12-02 06:16:23,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545016777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:16:23,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:16:23,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:16:23,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317071895] [2024-12-02 06:16:23,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:16:23,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:16:23,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:16:23,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:16:23,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:16:23,214 INFO L87 Difference]: Start difference. First operand 284368 states and 396737 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:16:25,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:16:25,197 INFO L93 Difference]: Finished difference Result 750147 states and 1044480 transitions. [2024-12-02 06:16:25,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:16:25,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 06:16:25,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:16:26,197 INFO L225 Difference]: With dead ends: 750147 [2024-12-02 06:16:26,197 INFO L226 Difference]: Without dead ends: 479868 [2024-12-02 06:16:26,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:16:26,284 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1654 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:16:26,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 1056 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:16:26,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479868 states. [2024-12-02 06:16:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479868 to 284115. [2024-12-02 06:16:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284115 states, 284114 states have (on average 1.3947288764369232) internal successors, (396262), 284114 states have internal predecessors, (396262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)