./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i --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_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/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_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/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_c384f843-4ce1-41a2-9271-63ff921395fb/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 4d936c2bc359502c9cc80babbbddc5f5ec41bb334054fc0df7f5bb21f4158f99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:31:50,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:31:50,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:31:50,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:31:50,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:31:50,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:31:50,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:31:50,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:31:50,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:31:50,856 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:31:50,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:31:50,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:31:50,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:31:50,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:31:50,857 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:31:50,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:31:50,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:31:50,858 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:31:50,859 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:31:50,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:31:50,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:31:50,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:31:50,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:31:50,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:31:50,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:31:50,861 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_c384f843-4ce1-41a2-9271-63ff921395fb/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 -> 4d936c2bc359502c9cc80babbbddc5f5ec41bb334054fc0df7f5bb21f4158f99 [2024-12-02 13:31:51,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:31:51,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:31:51,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:31:51,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:31:51,094 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:31:51,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-12-02 13:31:53,709 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/data/89815b807/799e755bd2c54fc78b9c6bf3b0777e25/FLAG4ae253a18 [2024-12-02 13:31:53,932 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:31:53,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-12-02 13:31:53,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/data/89815b807/799e755bd2c54fc78b9c6bf3b0777e25/FLAG4ae253a18 [2024-12-02 13:31:54,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/data/89815b807/799e755bd2c54fc78b9c6bf3b0777e25 [2024-12-02 13:31:54,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:31:54,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:31:54,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:31:54,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:31:54,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:31:54,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df113cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54, skipping insertion in model container [2024-12-02 13:31:54,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:31:54,440 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_c384f843-4ce1-41a2-9271-63ff921395fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i[915,928] [2024-12-02 13:31:54,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:31:54,519 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:31:54,529 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_c384f843-4ce1-41a2-9271-63ff921395fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i[915,928] [2024-12-02 13:31:54,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:31:54,576 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:31:54,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54 WrapperNode [2024-12-02 13:31:54,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:31:54,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:31:54,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:31:54,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:31:54,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,630 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2024-12-02 13:31:54,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:31:54,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:31:54,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:31:54,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:31:54,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,663 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 13:31:54,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,675 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:31:54,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:31:54,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:31:54,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:31:54,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (1/1) ... [2024-12-02 13:31:54,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:31:54,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:31:54,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:31:54,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:31:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:31:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:31:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:31:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:31:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:31:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:31:54,837 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:31:54,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:31:55,207 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 13:31:55,207 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:31:55,219 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:31:55,219 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:31:55,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:31:55 BoogieIcfgContainer [2024-12-02 13:31:55,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:31:55,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:31:55,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:31:55,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:31:55,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:31:54" (1/3) ... [2024-12-02 13:31:55,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36330c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:31:55, skipping insertion in model container [2024-12-02 13:31:55,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:54" (2/3) ... [2024-12-02 13:31:55,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36330c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:31:55, skipping insertion in model container [2024-12-02 13:31:55,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:31:55" (3/3) ... [2024-12-02 13:31:55,229 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-12-02 13:31:55,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:31:55,247 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-10.i that has 2 procedures, 105 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:31:55,312 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:31:55,323 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;@52265065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:31:55,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:31:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 71 states have internal predecessors, (95), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 13:31:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 13:31:55,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:55,341 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:55,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:31:55,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash -133426666, now seen corresponding path program 1 times [2024-12-02 13:31:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263596457] [2024-12-02 13:31:55,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-12-02 13:31:55,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:55,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263596457] [2024-12-02 13:31:55,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263596457] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:31:55,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518496428] [2024-12-02 13:31:55,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:55,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:31:55,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:31:55,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:31:55,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:31:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:55,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:31:55,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:31:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-12-02 13:31:55,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:31:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518496428] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:55,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:31:55,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:31:55,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044256462] [2024-12-02 13:31:55,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:55,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:31:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:55,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:31:55,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:31:55,899 INFO L87 Difference]: Start difference. First operand has 105 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 71 states have internal predecessors, (95), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:31:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:55,921 INFO L93 Difference]: Finished difference Result 203 states and 344 transitions. [2024-12-02 13:31:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:31:55,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 208 [2024-12-02 13:31:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:55,927 INFO L225 Difference]: With dead ends: 203 [2024-12-02 13:31:55,928 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 13:31:55,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:31:55,932 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:55,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:31:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 13:31:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-12-02 13:31:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 13:31:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2024-12-02 13:31:55,970 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 208 [2024-12-02 13:31:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:55,970 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2024-12-02 13:31:55,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:31:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2024-12-02 13:31:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 13:31:55,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:55,973 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:55,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:31:56,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c384f843-4ce1-41a2-9271-63ff921395fb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:31:56,174 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:31:56,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash 375102870, now seen corresponding path program 1 times [2024-12-02 13:31:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437024806] [2024-12-02 13:31:56,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:31:56,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:56,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437024806] [2024-12-02 13:31:56,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437024806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:56,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:56,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:56,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539796204] [2024-12-02 13:31:56,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:56,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:56,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:56,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:56,724 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:31:56,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:56,968 INFO L93 Difference]: Finished difference Result 298 states and 451 transitions. [2024-12-02 13:31:56,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:56,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 208 [2024-12-02 13:31:56,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:56,972 INFO L225 Difference]: With dead ends: 298 [2024-12-02 13:31:56,972 INFO L226 Difference]: Without dead ends: 200 [2024-12-02 13:31:56,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:31:56,974 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 98 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:56,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 579 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-12-02 13:31:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 166. [2024-12-02 13:31:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 99 states have internal predecessors, (124), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 13:31:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 252 transitions. [2024-12-02 13:31:57,006 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 252 transitions. Word has length 208 [2024-12-02 13:31:57,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:57,007 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 252 transitions. [2024-12-02 13:31:57,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:31:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 252 transitions. [2024-12-02 13:31:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:31:57,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:57,011 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:57,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:31:57,011 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:31:57,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:57,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1872658368, now seen corresponding path program 1 times [2024-12-02 13:31:57,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:57,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827646758] [2024-12-02 13:31:57,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:57,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:33:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827646758] [2024-12-02 13:33:02,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827646758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:02,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:02,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 13:33:02,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690756491] [2024-12-02 13:33:02,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:02,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:33:02,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:02,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:33:02,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:33:02,259 INFO L87 Difference]: Start difference. First operand 166 states and 252 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:33:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:05,750 INFO L93 Difference]: Finished difference Result 487 states and 711 transitions. [2024-12-02 13:33:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:33:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 209 [2024-12-02 13:33:05,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:05,754 INFO L225 Difference]: With dead ends: 487 [2024-12-02 13:33:05,754 INFO L226 Difference]: Without dead ends: 389 [2024-12-02 13:33:05,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:33:05,756 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 789 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:05,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 903 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 13:33:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-12-02 13:33:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 299. [2024-12-02 13:33:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2525773195876289) internal successors, (243), 195 states have internal predecessors, (243), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 13:33:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 435 transitions. [2024-12-02 13:33:05,800 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 435 transitions. Word has length 209 [2024-12-02 13:33:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:05,801 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 435 transitions. [2024-12-02 13:33:05,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:33:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 435 transitions. [2024-12-02 13:33:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:33:05,804 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:05,805 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:05,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:33:05,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:05,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:05,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2130823806, now seen corresponding path program 1 times [2024-12-02 13:33:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:05,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666793734] [2024-12-02 13:33:05,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:33:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666793734] [2024-12-02 13:33:24,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666793734] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:24,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:24,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 13:33:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969956675] [2024-12-02 13:33:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:24,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:33:24,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:24,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:33:24,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:33:24,948 INFO L87 Difference]: Start difference. First operand 299 states and 435 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:33:27,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:27,727 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2024-12-02 13:33:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:33:27,727 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2024-12-02 13:33:27,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:27,733 INFO L225 Difference]: With dead ends: 539 [2024-12-02 13:33:27,733 INFO L226 Difference]: Without dead ends: 441 [2024-12-02 13:33:27,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:33:27,735 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 609 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:27,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1130 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 13:33:27,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-12-02 13:33:27,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 301. [2024-12-02 13:33:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 196 states have (on average 1.2551020408163265) internal successors, (246), 197 states have internal predecessors, (246), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 13:33:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2024-12-02 13:33:27,762 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 209 [2024-12-02 13:33:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:27,762 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2024-12-02 13:33:27,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:33:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2024-12-02 13:33:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:33:27,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:27,765 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:27,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:33:27,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:27,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:27,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1016018050, now seen corresponding path program 1 times [2024-12-02 13:33:27,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:27,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347652583] [2024-12-02 13:33:27,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:33:36,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:36,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347652583] [2024-12-02 13:33:36,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347652583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:36,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:36,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 13:33:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912885340] [2024-12-02 13:33:36,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:36,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:33:36,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:36,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:33:36,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:33:36,561 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:33:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:38,535 INFO L93 Difference]: Finished difference Result 657 states and 933 transitions. [2024-12-02 13:33:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 13:33:38,535 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2024-12-02 13:33:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:38,538 INFO L225 Difference]: With dead ends: 657 [2024-12-02 13:33:38,538 INFO L226 Difference]: Without dead ends: 559 [2024-12-02 13:33:38,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:33:38,540 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 607 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:38,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 840 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:33:38,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-12-02 13:33:38,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 320. [2024-12-02 13:33:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 215 states have (on average 1.283720930232558) internal successors, (276), 215 states have internal predecessors, (276), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 13:33:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 468 transitions. [2024-12-02 13:33:38,569 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 468 transitions. Word has length 209 [2024-12-02 13:33:38,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:38,570 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 468 transitions. [2024-12-02 13:33:38,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:33:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 468 transitions. [2024-12-02 13:33:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:33:38,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:38,573 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:38,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:33:38,573 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:38,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:38,574 INFO L85 PathProgramCache]: Analyzing trace with hash -335959680, now seen corresponding path program 1 times [2024-12-02 13:33:38,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:38,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639016062] [2024-12-02 13:33:38,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:38,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:34:41,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:41,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639016062] [2024-12-02 13:34:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639016062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:41,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:41,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:34:41,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383669065] [2024-12-02 13:34:41,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:41,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:34:41,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:41,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:34:41,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:34:41,416 INFO L87 Difference]: Start difference. First operand 320 states and 468 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:34:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:43,396 INFO L93 Difference]: Finished difference Result 548 states and 785 transitions. [2024-12-02 13:34:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:34:43,396 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2024-12-02 13:34:43,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:43,398 INFO L225 Difference]: With dead ends: 548 [2024-12-02 13:34:43,398 INFO L226 Difference]: Without dead ends: 450 [2024-12-02 13:34:43,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:34:43,399 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 511 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:43,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 775 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:34:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-12-02 13:34:43,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 320. [2024-12-02 13:34:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 215 states have (on average 1.283720930232558) internal successors, (276), 215 states have internal predecessors, (276), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 13:34:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 468 transitions. [2024-12-02 13:34:43,418 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 468 transitions. Word has length 209 [2024-12-02 13:34:43,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:43,418 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 468 transitions. [2024-12-02 13:34:43,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:34:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 468 transitions. [2024-12-02 13:34:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:34:43,420 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:43,420 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:43,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:34:43,420 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:43,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:43,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1531648384, now seen corresponding path program 1 times [2024-12-02 13:34:43,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:43,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047047126] [2024-12-02 13:34:43,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:43,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:35:00,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:00,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047047126] [2024-12-02 13:35:00,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047047126] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:00,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:00,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:35:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917829711] [2024-12-02 13:35:00,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:00,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:35:00,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:00,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:35:00,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:00,222 INFO L87 Difference]: Start difference. First operand 320 states and 468 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:35:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:01,187 INFO L93 Difference]: Finished difference Result 624 states and 903 transitions. [2024-12-02 13:35:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:35:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2024-12-02 13:35:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:01,190 INFO L225 Difference]: With dead ends: 624 [2024-12-02 13:35:01,190 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 13:35:01,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:35:01,191 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 280 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:01,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 891 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:35:01,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 13:35:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 322. [2024-12-02 13:35:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 217 states have (on average 1.2811059907834101) internal successors, (278), 217 states have internal predecessors, (278), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 13:35:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 470 transitions. [2024-12-02 13:35:01,211 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 470 transitions. Word has length 209 [2024-12-02 13:35:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:01,211 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 470 transitions. [2024-12-02 13:35:01,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:35:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 470 transitions. [2024-12-02 13:35:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:35:01,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:01,213 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:01,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:35:01,213 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:01,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:01,213 INFO L85 PathProgramCache]: Analyzing trace with hash -121486338, now seen corresponding path program 1 times [2024-12-02 13:35:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616244668] [2024-12-02 13:35:01,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:35:13,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:13,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616244668] [2024-12-02 13:35:13,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616244668] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:35:13,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536389174] [2024-12-02 13:35:13,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:13,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:35:13,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:13,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:35:13,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:13,640 INFO L87 Difference]: Start difference. First operand 322 states and 470 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:35:14,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:14,395 INFO L93 Difference]: Finished difference Result 569 states and 835 transitions. [2024-12-02 13:35:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:35:14,396 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2024-12-02 13:35:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:14,398 INFO L225 Difference]: With dead ends: 569 [2024-12-02 13:35:14,398 INFO L226 Difference]: Without dead ends: 471 [2024-12-02 13:35:14,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:35:14,399 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 418 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:14,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 673 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:35:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-12-02 13:35:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 407. [2024-12-02 13:35:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 268 states have (on average 1.2611940298507462) internal successors, (338), 269 states have internal predecessors, (338), 128 states have call successors, (128), 10 states have call predecessors, (128), 10 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 13:35:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 594 transitions. [2024-12-02 13:35:14,423 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 594 transitions. Word has length 209 [2024-12-02 13:35:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:14,424 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 594 transitions. [2024-12-02 13:35:14,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:35:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 594 transitions. [2024-12-02 13:35:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:35:14,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:14,425 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:14,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:35:14,426 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:14,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:14,426 INFO L85 PathProgramCache]: Analyzing trace with hash -462496322, now seen corresponding path program 1 times [2024-12-02 13:35:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:14,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501121666] [2024-12-02 13:35:14,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:46,953 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 192 DAG size of output: 180 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:36:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:36:13,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:13,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501121666] [2024-12-02 13:36:13,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501121666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:13,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:13,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 13:36:13,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649074864] [2024-12-02 13:36:13,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:13,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 13:36:13,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:13,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 13:36:13,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:13,994 INFO L87 Difference]: Start difference. First operand 407 states and 594 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 4 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 13:36:23,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:23,897 INFO L93 Difference]: Finished difference Result 957 states and 1373 transitions. [2024-12-02 13:36:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:36:23,898 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 4 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 209 [2024-12-02 13:36:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:23,900 INFO L225 Difference]: With dead ends: 957 [2024-12-02 13:36:23,900 INFO L226 Difference]: Without dead ends: 743 [2024-12-02 13:36:23,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 13:36:23,901 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 513 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:23,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1268 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1914 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:36:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-12-02 13:36:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 542. [2024-12-02 13:36:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 365 states have (on average 1.2657534246575342) internal successors, (462), 365 states have internal predecessors, (462), 160 states have call successors, (160), 16 states have call predecessors, (160), 16 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:36:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 782 transitions. [2024-12-02 13:36:23,935 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 782 transitions. Word has length 209 [2024-12-02 13:36:23,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:23,935 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 782 transitions. [2024-12-02 13:36:23,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 4 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-12-02 13:36:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 782 transitions. [2024-12-02 13:36:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:36:23,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:23,937 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:23,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:36:23,937 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:23,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash 685629118, now seen corresponding path program 1 times [2024-12-02 13:36:23,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:23,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772205940] [2024-12-02 13:36:23,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:36:36,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772205940] [2024-12-02 13:36:36,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772205940] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:36,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:36,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:36:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326634405] [2024-12-02 13:36:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:36,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:36:36,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:36,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:36:36,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:36:36,185 INFO L87 Difference]: Start difference. First operand 542 states and 782 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:36:37,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:37,521 INFO L93 Difference]: Finished difference Result 1023 states and 1458 transitions. [2024-12-02 13:36:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:36:37,521 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2024-12-02 13:36:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:37,524 INFO L225 Difference]: With dead ends: 1023 [2024-12-02 13:36:37,525 INFO L226 Difference]: Without dead ends: 691 [2024-12-02 13:36:37,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:36:37,526 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 233 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:37,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 992 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:36:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-12-02 13:36:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 561. [2024-12-02 13:36:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 382 states have (on average 1.2617801047120418) internal successors, (482), 382 states have internal predecessors, (482), 160 states have call successors, (160), 18 states have call predecessors, (160), 18 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:36:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 802 transitions. [2024-12-02 13:36:37,568 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 802 transitions. Word has length 209 [2024-12-02 13:36:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:37,568 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 802 transitions. [2024-12-02 13:36:37,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:36:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 802 transitions. [2024-12-02 13:36:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 13:36:37,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:37,570 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:37,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:36:37,570 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:37,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash 943794556, now seen corresponding path program 1 times [2024-12-02 13:36:37,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:37,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881533321] [2024-12-02 13:36:37,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:36:51,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:51,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881533321] [2024-12-02 13:36:51,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881533321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:51,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:51,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:36:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033627979] [2024-12-02 13:36:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:51,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:36:51,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:51,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:36:51,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:51,780 INFO L87 Difference]: Start difference. First operand 561 states and 802 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:36:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:53,121 INFO L93 Difference]: Finished difference Result 1197 states and 1683 transitions. [2024-12-02 13:36:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:36:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2024-12-02 13:36:53,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:53,125 INFO L225 Difference]: With dead ends: 1197 [2024-12-02 13:36:53,125 INFO L226 Difference]: Without dead ends: 846 [2024-12-02 13:36:53,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:36:53,127 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 347 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:53,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1170 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:36:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-12-02 13:36:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 560. [2024-12-02 13:36:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 381 states have (on average 1.26246719160105) internal successors, (481), 381 states have internal predecessors, (481), 160 states have call successors, (160), 18 states have call predecessors, (160), 18 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:36:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 801 transitions. [2024-12-02 13:36:53,167 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 801 transitions. Word has length 209 [2024-12-02 13:36:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:53,167 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 801 transitions. [2024-12-02 13:36:53,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:36:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 801 transitions. [2024-12-02 13:36:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:36:53,169 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:53,169 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:53,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:36:53,169 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:53,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1532201141, now seen corresponding path program 1 times [2024-12-02 13:36:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:53,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804176113] [2024-12-02 13:36:53,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:39:17,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:39:17,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804176113] [2024-12-02 13:39:17,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804176113] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:17,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:39:17,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-02 13:39:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999498685] [2024-12-02 13:39:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:17,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 13:39:17,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:39:17,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 13:39:17,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:39:17,537 INFO L87 Difference]: Start difference. First operand 560 states and 801 transitions. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:39:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:45,180 INFO L93 Difference]: Finished difference Result 846 states and 1198 transitions. [2024-12-02 13:39:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 13:39:45,181 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 210 [2024-12-02 13:39:45,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:39:45,183 INFO L225 Difference]: With dead ends: 846 [2024-12-02 13:39:45,183 INFO L226 Difference]: Without dead ends: 748 [2024-12-02 13:39:45,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=284, Invalid=1276, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 13:39:45,184 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 761 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:39:45,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 1436 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 13:39:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-12-02 13:39:45,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 569. [2024-12-02 13:39:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 390 states have (on average 1.2666666666666666) internal successors, (494), 390 states have internal predecessors, (494), 160 states have call successors, (160), 18 states have call predecessors, (160), 18 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:39:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 814 transitions. [2024-12-02 13:39:45,230 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 814 transitions. Word has length 210 [2024-12-02 13:39:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:39:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 814 transitions. [2024-12-02 13:39:45,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:39:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 814 transitions. [2024-12-02 13:39:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:39:45,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:45,232 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:39:45,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:39:45,232 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:45,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:45,233 INFO L85 PathProgramCache]: Analyzing trace with hash -300050869, now seen corresponding path program 1 times [2024-12-02 13:39:45,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:39:45,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845845897] [2024-12-02 13:39:45,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:39:58,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:39:58,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845845897] [2024-12-02 13:39:58,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845845897] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:58,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:39:58,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 13:39:58,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786658465] [2024-12-02 13:39:58,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:58,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:39:58,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:39:58,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:39:58,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:39:58,950 INFO L87 Difference]: Start difference. First operand 569 states and 814 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:40:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:00,812 INFO L93 Difference]: Finished difference Result 871 states and 1232 transitions. [2024-12-02 13:40:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:40:00,813 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 210 [2024-12-02 13:40:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:00,816 INFO L225 Difference]: With dead ends: 871 [2024-12-02 13:40:00,816 INFO L226 Difference]: Without dead ends: 773 [2024-12-02 13:40:00,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:40:00,816 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 721 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:00,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 847 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:40:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-12-02 13:40:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 569. [2024-12-02 13:40:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 390 states have (on average 1.2666666666666666) internal successors, (494), 390 states have internal predecessors, (494), 160 states have call successors, (160), 18 states have call predecessors, (160), 18 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:40:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 814 transitions. [2024-12-02 13:40:00,852 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 814 transitions. Word has length 210 [2024-12-02 13:40:00,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:00,852 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 814 transitions. [2024-12-02 13:40:00,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:40:00,852 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 814 transitions. [2024-12-02 13:40:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:40:00,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:00,853 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:00,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:40:00,853 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:00,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash -693077879, now seen corresponding path program 1 times [2024-12-02 13:40:00,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:00,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443100160] [2024-12-02 13:40:00,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:40:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:16,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443100160] [2024-12-02 13:40:16,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443100160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:16,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:16,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 13:40:16,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875146282] [2024-12-02 13:40:16,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:16,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:40:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:16,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:40:16,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:40:16,574 INFO L87 Difference]: Start difference. First operand 569 states and 814 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:40:20,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:20,720 INFO L93 Difference]: Finished difference Result 896 states and 1266 transitions. [2024-12-02 13:40:20,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:40:20,721 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 210 [2024-12-02 13:40:20,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:20,724 INFO L225 Difference]: With dead ends: 896 [2024-12-02 13:40:20,725 INFO L226 Difference]: Without dead ends: 798 [2024-12-02 13:40:20,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=247, Invalid=809, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:40:20,726 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 654 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:20,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1162 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 13:40:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-12-02 13:40:20,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 584. [2024-12-02 13:40:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 405 states have (on average 1.2790123456790123) internal successors, (518), 405 states have internal predecessors, (518), 160 states have call successors, (160), 18 states have call predecessors, (160), 18 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 13:40:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 838 transitions. [2024-12-02 13:40:20,790 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 838 transitions. Word has length 210 [2024-12-02 13:40:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:20,790 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 838 transitions. [2024-12-02 13:40:20,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:40:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 838 transitions. [2024-12-02 13:40:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:40:20,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:20,792 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:20,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:40:20,792 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:20,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:20,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2119007155, now seen corresponding path program 1 times [2024-12-02 13:40:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:20,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374497987] [2024-12-02 13:40:20,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:40:20,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:20,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374497987] [2024-12-02 13:40:20,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374497987] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:20,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:20,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:40:20,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240190567] [2024-12-02 13:40:20,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:20,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:40:20,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:20,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:40:20,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:40:20,947 INFO L87 Difference]: Start difference. First operand 584 states and 838 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:40:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:21,033 INFO L93 Difference]: Finished difference Result 1224 states and 1734 transitions. [2024-12-02 13:40:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:40:21,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2024-12-02 13:40:21,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:21,036 INFO L225 Difference]: With dead ends: 1224 [2024-12-02 13:40:21,036 INFO L226 Difference]: Without dead ends: 740 [2024-12-02 13:40:21,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:40:21,037 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 39 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:21,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 497 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:21,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-12-02 13:40:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 698. [2024-12-02 13:40:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 502 states have (on average 1.2669322709163346) internal successors, (636), 505 states have internal predecessors, (636), 172 states have call successors, (172), 23 states have call predecessors, (172), 23 states have return successors, (172), 169 states have call predecessors, (172), 172 states have call successors, (172) [2024-12-02 13:40:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 980 transitions. [2024-12-02 13:40:21,112 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 980 transitions. Word has length 210 [2024-12-02 13:40:21,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:21,112 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 980 transitions. [2024-12-02 13:40:21,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:40:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 980 transitions. [2024-12-02 13:40:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:40:21,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:21,114 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:21,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:40:21,114 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:21,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:21,115 INFO L85 PathProgramCache]: Analyzing trace with hash 781391243, now seen corresponding path program 1 times [2024-12-02 13:40:21,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:21,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946130358] [2024-12-02 13:40:21,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:21,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:40:37,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:37,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946130358] [2024-12-02 13:40:37,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946130358] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:37,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:37,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:40:37,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951423629] [2024-12-02 13:40:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:37,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:40:37,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:37,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:40:37,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:40:37,598 INFO L87 Difference]: Start difference. First operand 698 states and 980 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:40:38,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:38,341 INFO L93 Difference]: Finished difference Result 1360 states and 1894 transitions. [2024-12-02 13:40:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:40:38,342 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2024-12-02 13:40:38,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:38,345 INFO L225 Difference]: With dead ends: 1360 [2024-12-02 13:40:38,345 INFO L226 Difference]: Without dead ends: 900 [2024-12-02 13:40:38,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:40:38,346 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 260 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:38,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 818 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:40:38,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-12-02 13:40:38,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 696. [2024-12-02 13:40:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 500 states have (on average 1.266) internal successors, (633), 503 states have internal predecessors, (633), 172 states have call successors, (172), 23 states have call predecessors, (172), 23 states have return successors, (172), 169 states have call predecessors, (172), 172 states have call successors, (172) [2024-12-02 13:40:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 977 transitions. [2024-12-02 13:40:38,389 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 977 transitions. Word has length 210 [2024-12-02 13:40:38,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:38,389 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 977 transitions. [2024-12-02 13:40:38,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:40:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 977 transitions. [2024-12-02 13:40:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:40:38,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:38,391 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:38,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:40:38,391 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:38,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1073822413, now seen corresponding path program 1 times [2024-12-02 13:40:38,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:38,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404107955] [2024-12-02 13:40:38,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:41:02,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:41:02,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404107955] [2024-12-02 13:41:02,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404107955] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:02,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:02,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 13:41:02,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875244585] [2024-12-02 13:41:02,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:02,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:41:02,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:41:02,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:41:02,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:41:02,873 INFO L87 Difference]: Start difference. First operand 696 states and 977 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:41:06,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:06,100 INFO L93 Difference]: Finished difference Result 1139 states and 1578 transitions. [2024-12-02 13:41:06,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:41:06,101 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2024-12-02 13:41:06,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:06,104 INFO L225 Difference]: With dead ends: 1139 [2024-12-02 13:41:06,104 INFO L226 Difference]: Without dead ends: 1011 [2024-12-02 13:41:06,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:41:06,105 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 588 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:06,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1070 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:41:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2024-12-02 13:41:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 714. [2024-12-02 13:41:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 518 states have (on average 1.276061776061776) internal successors, (661), 521 states have internal predecessors, (661), 172 states have call successors, (172), 23 states have call predecessors, (172), 23 states have return successors, (172), 169 states have call predecessors, (172), 172 states have call successors, (172) [2024-12-02 13:41:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1005 transitions. [2024-12-02 13:41:06,145 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1005 transitions. Word has length 210 [2024-12-02 13:41:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:06,146 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1005 transitions. [2024-12-02 13:41:06,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:41:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1005 transitions. [2024-12-02 13:41:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:41:06,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:06,147 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:06,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:41:06,147 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:06,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1446137521, now seen corresponding path program 1 times [2024-12-02 13:41:06,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:41:06,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475682804] [2024-12-02 13:41:06,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:41:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:41:08,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:41:08,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475682804] [2024-12-02 13:41:08,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475682804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:08,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:08,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:41:08,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10366795] [2024-12-02 13:41:08,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:08,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:41:08,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:41:08,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:41:08,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:41:08,049 INFO L87 Difference]: Start difference. First operand 714 states and 1005 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:41:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:10,953 INFO L93 Difference]: Finished difference Result 1083 states and 1516 transitions. [2024-12-02 13:41:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:41:10,953 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 210 [2024-12-02 13:41:10,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:10,956 INFO L225 Difference]: With dead ends: 1083 [2024-12-02 13:41:10,956 INFO L226 Difference]: Without dead ends: 955 [2024-12-02 13:41:10,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:41:10,957 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 610 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:10,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 824 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:41:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-12-02 13:41:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 708. [2024-12-02 13:41:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 519 states have (on average 1.2870905587668593) internal successors, (668), 520 states have internal predecessors, (668), 164 states have call successors, (164), 24 states have call predecessors, (164), 24 states have return successors, (164), 163 states have call predecessors, (164), 164 states have call successors, (164) [2024-12-02 13:41:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 996 transitions. [2024-12-02 13:41:11,012 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 996 transitions. Word has length 210 [2024-12-02 13:41:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:11,012 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 996 transitions. [2024-12-02 13:41:11,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:41:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 996 transitions. [2024-12-02 13:41:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:41:11,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:11,014 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:11,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:41:11,014 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:11,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1988994611, now seen corresponding path program 1 times [2024-12-02 13:41:11,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:41:11,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519075471] [2024-12-02 13:41:11,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:41:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:41:25,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:41:25,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519075471] [2024-12-02 13:41:25,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519075471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:25,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:25,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 13:41:25,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336761059] [2024-12-02 13:41:25,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:25,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 13:41:25,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:41:25,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 13:41:25,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:41:25,943 INFO L87 Difference]: Start difference. First operand 708 states and 996 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:41:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:30,242 INFO L93 Difference]: Finished difference Result 1206 states and 1661 transitions. [2024-12-02 13:41:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:41:30,243 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 210 [2024-12-02 13:41:30,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:30,246 INFO L225 Difference]: With dead ends: 1206 [2024-12-02 13:41:30,246 INFO L226 Difference]: Without dead ends: 1055 [2024-12-02 13:41:30,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=259, Invalid=863, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 13:41:30,247 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 666 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:30,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 1185 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 13:41:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-12-02 13:41:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 713. [2024-12-02 13:41:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 524 states have (on average 1.2900763358778626) internal successors, (676), 525 states have internal predecessors, (676), 164 states have call successors, (164), 24 states have call predecessors, (164), 24 states have return successors, (164), 163 states have call predecessors, (164), 164 states have call successors, (164) [2024-12-02 13:41:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1004 transitions. [2024-12-02 13:41:30,295 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1004 transitions. Word has length 210 [2024-12-02 13:41:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:30,296 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1004 transitions. [2024-12-02 13:41:30,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:41:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1004 transitions. [2024-12-02 13:41:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:41:30,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:30,297 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:30,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:41:30,297 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:30,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash -213987249, now seen corresponding path program 1 times [2024-12-02 13:41:30,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:41:30,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707453694] [2024-12-02 13:41:30,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:41:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:41:30,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:41:30,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707453694] [2024-12-02 13:41:30,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707453694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:30,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:41:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938526397] [2024-12-02 13:41:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:30,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:41:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:41:30,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:41:30,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:41:30,432 INFO L87 Difference]: Start difference. First operand 713 states and 1004 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:41:30,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:30,533 INFO L93 Difference]: Finished difference Result 946 states and 1329 transitions. [2024-12-02 13:41:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:41:30,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2024-12-02 13:41:30,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:30,536 INFO L225 Difference]: With dead ends: 946 [2024-12-02 13:41:30,536 INFO L226 Difference]: Without dead ends: 795 [2024-12-02 13:41:30,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 13:41:30,537 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 49 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:30,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 334 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:41:30,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-12-02 13:41:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 787. [2024-12-02 13:41:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 583 states have (on average 1.2830188679245282) internal successors, (748), 586 states have internal predecessors, (748), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:41:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1100 transitions. [2024-12-02 13:41:30,614 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1100 transitions. Word has length 210 [2024-12-02 13:41:30,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:30,615 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1100 transitions. [2024-12-02 13:41:30,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:41:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1100 transitions. [2024-12-02 13:41:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:41:30,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:30,616 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:30,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:41:30,617 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:30,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:30,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1912945675, now seen corresponding path program 1 times [2024-12-02 13:41:30,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:41:30,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662199141] [2024-12-02 13:41:30,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:30,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:41:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:42:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:42:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662199141] [2024-12-02 13:42:27,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662199141] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:27,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:27,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:42:27,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648707787] [2024-12-02 13:42:27,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:27,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:42:27,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:42:27,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:42:27,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:42:27,084 INFO L87 Difference]: Start difference. First operand 787 states and 1100 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:42:29,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:29,293 INFO L93 Difference]: Finished difference Result 1312 states and 1803 transitions. [2024-12-02 13:42:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:42:29,294 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2024-12-02 13:42:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:29,297 INFO L225 Difference]: With dead ends: 1312 [2024-12-02 13:42:29,297 INFO L226 Difference]: Without dead ends: 1102 [2024-12-02 13:42:29,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:42:29,299 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 303 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:29,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1037 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:42:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-12-02 13:42:29,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 797. [2024-12-02 13:42:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 593 states have (on average 1.2866779089376055) internal successors, (763), 596 states have internal predecessors, (763), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:42:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1115 transitions. [2024-12-02 13:42:29,393 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1115 transitions. Word has length 210 [2024-12-02 13:42:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:29,393 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1115 transitions. [2024-12-02 13:42:29,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:42:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1115 transitions. [2024-12-02 13:42:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 13:42:29,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:29,395 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:42:29,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:42:29,395 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:29,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:29,396 INFO L85 PathProgramCache]: Analyzing trace with hash -907552499, now seen corresponding path program 1 times [2024-12-02 13:42:29,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:42:29,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29740841] [2024-12-02 13:42:29,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:29,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:42:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:42:46,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:42:46,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29740841] [2024-12-02 13:42:46,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29740841] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:46,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:46,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:42:46,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91712372] [2024-12-02 13:42:46,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:46,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:42:46,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:42:46,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:42:46,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:42:46,207 INFO L87 Difference]: Start difference. First operand 797 states and 1115 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:42:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:48,354 INFO L93 Difference]: Finished difference Result 1465 states and 2026 transitions. [2024-12-02 13:42:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:42:48,355 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 210 [2024-12-02 13:42:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:48,359 INFO L225 Difference]: With dead ends: 1465 [2024-12-02 13:42:48,359 INFO L226 Difference]: Without dead ends: 957 [2024-12-02 13:42:48,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:42:48,361 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 370 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:48,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 929 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:42:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-12-02 13:42:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 795. [2024-12-02 13:42:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 591 states have (on average 1.2859560067681894) internal successors, (760), 594 states have internal predecessors, (760), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:42:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1112 transitions. [2024-12-02 13:42:48,413 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1112 transitions. Word has length 210 [2024-12-02 13:42:48,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:48,413 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1112 transitions. [2024-12-02 13:42:48,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:42:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1112 transitions. [2024-12-02 13:42:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 13:42:48,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:48,414 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:42:48,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:42:48,414 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:48,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:48,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1746960067, now seen corresponding path program 1 times [2024-12-02 13:42:48,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:42:48,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609149820] [2024-12-02 13:42:48,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:42:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:44:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:44:00,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:44:00,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609149820] [2024-12-02 13:44:00,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609149820] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:44:00,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:44:00,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-12-02 13:44:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392753157] [2024-12-02 13:44:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:44:00,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 13:44:00,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:44:00,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 13:44:00,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:44:00,127 INFO L87 Difference]: Start difference. First operand 795 states and 1112 transitions. Second operand has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:44:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:44:09,392 INFO L93 Difference]: Finished difference Result 1348 states and 1857 transitions. [2024-12-02 13:44:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 13:44:09,393 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2024-12-02 13:44:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:44:09,396 INFO L225 Difference]: With dead ends: 1348 [2024-12-02 13:44:09,396 INFO L226 Difference]: Without dead ends: 1138 [2024-12-02 13:44:09,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=259, Invalid=1223, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 13:44:09,398 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 673 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:44:09,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1334 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 13:44:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2024-12-02 13:44:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 800. [2024-12-02 13:44:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 596 states have (on average 1.2869127516778522) internal successors, (767), 599 states have internal predecessors, (767), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:44:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1119 transitions. [2024-12-02 13:44:09,468 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1119 transitions. Word has length 211 [2024-12-02 13:44:09,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:44:09,468 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1119 transitions. [2024-12-02 13:44:09,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:44:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1119 transitions. [2024-12-02 13:44:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 13:44:09,469 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:44:09,469 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:09,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:44:09,469 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:44:09,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:44:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1730358779, now seen corresponding path program 1 times [2024-12-02 13:44:09,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:44:09,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009915047] [2024-12-02 13:44:09,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:44:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:44:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:44:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:44:57,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:44:57,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009915047] [2024-12-02 13:44:57,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009915047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:44:57,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:44:57,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 13:44:57,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244031889] [2024-12-02 13:44:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:44:57,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:44:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:44:57,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:44:57,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:44:57,673 INFO L87 Difference]: Start difference. First operand 800 states and 1119 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:45:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:00,503 INFO L93 Difference]: Finished difference Result 1345 states and 1856 transitions. [2024-12-02 13:45:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:45:00,503 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2024-12-02 13:45:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:00,507 INFO L225 Difference]: With dead ends: 1345 [2024-12-02 13:45:00,507 INFO L226 Difference]: Without dead ends: 1135 [2024-12-02 13:45:00,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:45:00,509 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 439 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:00,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1025 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 13:45:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-12-02 13:45:00,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 804. [2024-12-02 13:45:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 600 states have (on average 1.29) internal successors, (774), 603 states have internal predecessors, (774), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1126 transitions. [2024-12-02 13:45:00,567 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1126 transitions. Word has length 211 [2024-12-02 13:45:00,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:00,568 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1126 transitions. [2024-12-02 13:45:00,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 13:45:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1126 transitions. [2024-12-02 13:45:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 13:45:00,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:00,569 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:00,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:45:00,569 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash -789601155, now seen corresponding path program 1 times [2024-12-02 13:45:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73363397] [2024-12-02 13:45:00,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:21,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73363397] [2024-12-02 13:45:21,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73363397] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:21,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:21,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:45:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715348588] [2024-12-02 13:45:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:21,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:45:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:21,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:45:21,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:45:21,133 INFO L87 Difference]: Start difference. First operand 804 states and 1126 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:22,001 INFO L93 Difference]: Finished difference Result 1096 states and 1530 transitions. [2024-12-02 13:45:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:45:22,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-12-02 13:45:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:22,004 INFO L225 Difference]: With dead ends: 1096 [2024-12-02 13:45:22,004 INFO L226 Difference]: Without dead ends: 886 [2024-12-02 13:45:22,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:45:22,005 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 286 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:22,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 657 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:45:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2024-12-02 13:45:22,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 784. [2024-12-02 13:45:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 580 states have (on average 1.2810344827586206) internal successors, (743), 583 states have internal predecessors, (743), 176 states have call successors, (176), 27 states have call predecessors, (176), 27 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1095 transitions. [2024-12-02 13:45:22,060 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1095 transitions. Word has length 211 [2024-12-02 13:45:22,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:22,060 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1095 transitions. [2024-12-02 13:45:22,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1095 transitions. [2024-12-02 13:45:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:22,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:22,061 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:22,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:45:22,062 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:22,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:22,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1598900482, now seen corresponding path program 1 times [2024-12-02 13:45:22,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:22,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791917894] [2024-12-02 13:45:22,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:22,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:23,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:23,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791917894] [2024-12-02 13:45:23,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791917894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:23,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:23,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 13:45:23,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140813754] [2024-12-02 13:45:23,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:23,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:45:23,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:23,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:45:23,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:45:23,717 INFO L87 Difference]: Start difference. First operand 784 states and 1095 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:45:24,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:24,854 INFO L93 Difference]: Finished difference Result 1256 states and 1732 transitions. [2024-12-02 13:45:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:45:24,854 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 212 [2024-12-02 13:45:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:24,857 INFO L225 Difference]: With dead ends: 1256 [2024-12-02 13:45:24,857 INFO L226 Difference]: Without dead ends: 1046 [2024-12-02 13:45:24,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:45:24,858 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 293 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:24,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1023 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:45:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-12-02 13:45:24,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 851. [2024-12-02 13:45:24,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 643 states have (on average 1.2846034214618973) internal successors, (826), 646 states have internal predecessors, (826), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1178 transitions. [2024-12-02 13:45:24,923 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1178 transitions. Word has length 212 [2024-12-02 13:45:24,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:24,924 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1178 transitions. [2024-12-02 13:45:24,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 13:45:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1178 transitions. [2024-12-02 13:45:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:24,925 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:24,925 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:24,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:45:24,926 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:24,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:24,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1381504510, now seen corresponding path program 1 times [2024-12-02 13:45:24,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:24,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003724685] [2024-12-02 13:45:24,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:26,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:26,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003724685] [2024-12-02 13:45:26,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003724685] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:26,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:26,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:45:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652890575] [2024-12-02 13:45:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:26,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:45:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:26,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:45:26,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:45:26,535 INFO L87 Difference]: Start difference. First operand 851 states and 1178 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:27,290 INFO L93 Difference]: Finished difference Result 1223 states and 1661 transitions. [2024-12-02 13:45:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:45:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-12-02 13:45:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:27,295 INFO L225 Difference]: With dead ends: 1223 [2024-12-02 13:45:27,295 INFO L226 Difference]: Without dead ends: 1221 [2024-12-02 13:45:27,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:45:27,295 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 165 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:27,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1402 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:45:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-12-02 13:45:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 878. [2024-12-02 13:45:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 670 states have (on average 1.291044776119403) internal successors, (865), 673 states have internal predecessors, (865), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1217 transitions. [2024-12-02 13:45:27,377 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1217 transitions. Word has length 212 [2024-12-02 13:45:27,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:27,377 INFO L471 AbstractCegarLoop]: Abstraction has 878 states and 1217 transitions. [2024-12-02 13:45:27,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1217 transitions. [2024-12-02 13:45:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:27,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:27,378 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:27,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 13:45:27,378 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:27,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1639669948, now seen corresponding path program 1 times [2024-12-02 13:45:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:27,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011583122] [2024-12-02 13:45:27,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:29,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:29,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011583122] [2024-12-02 13:45:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011583122] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:29,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:29,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 13:45:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957408526] [2024-12-02 13:45:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:29,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:45:29,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:29,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:45:29,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:45:29,651 INFO L87 Difference]: Start difference. First operand 878 states and 1217 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:32,020 INFO L93 Difference]: Finished difference Result 1116 states and 1532 transitions. [2024-12-02 13:45:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 13:45:32,021 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-12-02 13:45:32,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:32,024 INFO L225 Difference]: With dead ends: 1116 [2024-12-02 13:45:32,024 INFO L226 Difference]: Without dead ends: 1114 [2024-12-02 13:45:32,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:45:32,025 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 311 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:32,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1173 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:45:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-12-02 13:45:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 886. [2024-12-02 13:45:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 678 states have (on average 1.2964601769911503) internal successors, (879), 681 states have internal predecessors, (879), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1231 transitions. [2024-12-02 13:45:32,092 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1231 transitions. Word has length 212 [2024-12-02 13:45:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:32,093 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1231 transitions. [2024-12-02 13:45:32,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1231 transitions. [2024-12-02 13:45:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:32,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:32,093 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:32,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:45:32,094 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:32,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1416203136, now seen corresponding path program 1 times [2024-12-02 13:45:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763947996] [2024-12-02 13:45:32,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:39,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:39,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763947996] [2024-12-02 13:45:39,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763947996] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:39,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:39,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 13:45:39,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638049894] [2024-12-02 13:45:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:39,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:45:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:39,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:45:39,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:45:39,199 INFO L87 Difference]: Start difference. First operand 886 states and 1231 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:41,178 INFO L93 Difference]: Finished difference Result 1714 states and 2320 transitions. [2024-12-02 13:45:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:45:41,179 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-12-02 13:45:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:41,182 INFO L225 Difference]: With dead ends: 1714 [2024-12-02 13:45:41,182 INFO L226 Difference]: Without dead ends: 1712 [2024-12-02 13:45:41,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:45:41,183 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 355 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:41,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1519 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:45:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2024-12-02 13:45:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 919. [2024-12-02 13:45:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 711 states have (on average 1.30098452883263) internal successors, (925), 714 states have internal predecessors, (925), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1277 transitions. [2024-12-02 13:45:41,265 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1277 transitions. Word has length 212 [2024-12-02 13:45:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:41,266 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1277 transitions. [2024-12-02 13:45:41,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1277 transitions. [2024-12-02 13:45:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:41,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:41,266 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:41,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:45:41,267 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:41,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:41,267 INFO L85 PathProgramCache]: Analyzing trace with hash 101640832, now seen corresponding path program 1 times [2024-12-02 13:45:41,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:41,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222183778] [2024-12-02 13:45:41,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:41,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:42,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:42,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222183778] [2024-12-02 13:45:42,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222183778] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:42,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:42,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:45:42,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257731199] [2024-12-02 13:45:42,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:42,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:45:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:42,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:45:42,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:45:42,819 INFO L87 Difference]: Start difference. First operand 919 states and 1277 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:43,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:43,475 INFO L93 Difference]: Finished difference Result 1202 states and 1621 transitions. [2024-12-02 13:45:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:45:43,475 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-12-02 13:45:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:43,478 INFO L225 Difference]: With dead ends: 1202 [2024-12-02 13:45:43,478 INFO L226 Difference]: Without dead ends: 1200 [2024-12-02 13:45:43,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:45:43,479 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 93 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:43,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1533 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:45:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-12-02 13:45:43,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 942. [2024-12-02 13:45:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 734 states have (on average 1.3024523160762942) internal successors, (956), 737 states have internal predecessors, (956), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1308 transitions. [2024-12-02 13:45:43,558 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1308 transitions. Word has length 212 [2024-12-02 13:45:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:43,558 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1308 transitions. [2024-12-02 13:45:43,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1308 transitions. [2024-12-02 13:45:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:43,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:43,559 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:43,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:45:43,559 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:43,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 359806270, now seen corresponding path program 1 times [2024-12-02 13:45:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:43,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152009601] [2024-12-02 13:45:43,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:45:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 13:45:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:45:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152009601] [2024-12-02 13:45:45,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152009601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:45:45,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:45:45,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 13:45:45,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546921121] [2024-12-02 13:45:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:45:45,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:45:45,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:45:45,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:45:45,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:45:45,712 INFO L87 Difference]: Start difference. First operand 942 states and 1308 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:45:49,212 INFO L93 Difference]: Finished difference Result 1196 states and 1641 transitions. [2024-12-02 13:45:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 13:45:49,212 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-12-02 13:45:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:45:49,216 INFO L225 Difference]: With dead ends: 1196 [2024-12-02 13:45:49,216 INFO L226 Difference]: Without dead ends: 1194 [2024-12-02 13:45:49,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=255, Invalid=801, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:45:49,217 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 306 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:45:49,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1551 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:45:49,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2024-12-02 13:45:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 948. [2024-12-02 13:45:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 740 states have (on average 1.3054054054054054) internal successors, (966), 743 states have internal predecessors, (966), 176 states have call successors, (176), 31 states have call predecessors, (176), 31 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 13:45:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1318 transitions. [2024-12-02 13:45:49,304 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1318 transitions. Word has length 212 [2024-12-02 13:45:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:45:49,304 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1318 transitions. [2024-12-02 13:45:49,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 13:45:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1318 transitions. [2024-12-02 13:45:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 13:45:49,305 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:45:49,305 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:49,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:45:49,305 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:45:49,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:45:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash 893672626, now seen corresponding path program 1 times [2024-12-02 13:45:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:45:49,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488953413] [2024-12-02 13:45:49,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:45:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:45:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat