./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC --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 6594a781eb15fb7bc8687ba7c7eec87d2c3a5aadf0390114ddcc686f9488f6df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:56:22,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:56:22,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:56:22,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:56:22,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:56:22,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:56:22,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:56:22,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:56:22,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:56:22,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:56:22,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:56:22,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:56:22,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:56:22,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:56:22,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:56:22,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:56:22,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:56:22,375 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:56:22,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:56:22,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:56:22,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:56:22,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:22,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:56:22,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:56:22,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:56:22,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:22,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:56:22,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:56:22,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:56:22,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:56:22,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:56:22,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:56:22,378 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_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC 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 -> 6594a781eb15fb7bc8687ba7c7eec87d2c3a5aadf0390114ddcc686f9488f6df [2024-11-23 22:56:22,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:56:22,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:56:22,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:56:22,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:56:22,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:56:22,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c [2024-11-23 22:56:25,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/data/1bd6a70eb/6bfdbbb92b304cf895fa4f1e8e3c09b2/FLAG6c0f71670 [2024-11-23 22:56:26,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:56:26,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c [2024-11-23 22:56:26,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/data/1bd6a70eb/6bfdbbb92b304cf895fa4f1e8e3c09b2/FLAG6c0f71670 [2024-11-23 22:56:26,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/data/1bd6a70eb/6bfdbbb92b304cf895fa4f1e8e3c09b2 [2024-11-23 22:56:26,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:56:26,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:56:26,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:26,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:56:26,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:56:26,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:26" (1/1) ... [2024-11-23 22:56:26,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbfc6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:26, skipping insertion in model container [2024-11-23 22:56:26,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:26" (1/1) ... [2024-11-23 22:56:26,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:56:27,279 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_7170a79f-9481-456d-a356-b35594f0b441/sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c[20454,20467] [2024-11-23 22:56:27,390 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_7170a79f-9481-456d-a356-b35594f0b441/sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c[27515,27528] [2024-11-23 22:56:28,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:28,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:56:28,324 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_7170a79f-9481-456d-a356-b35594f0b441/sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c[20454,20467] [2024-11-23 22:56:28,349 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_7170a79f-9481-456d-a356-b35594f0b441/sv-benchmarks/c/combinations/pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c[27515,27528] [2024-11-23 22:56:28,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:28,962 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:56:28,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28 WrapperNode [2024-11-23 22:56:28,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:28,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:28,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:56:28,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:56:28,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,658 INFO L138 Inliner]: procedures = 39, calls = 24, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 5217 [2024-11-23 22:56:29,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:29,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:56:29,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:56:29,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:56:29,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,918 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]. [2024-11-23 22:56:29,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:29,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:56:30,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:56:30,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:56:30,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:56:30,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (1/1) ... [2024-11-23 22:56:30,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:30,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:30,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:30,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7170a79f-9481-456d-a356-b35594f0b441/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:56:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:56:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:56:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:56:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:56:30,591 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:56:30,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:56:37,820 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-23 22:56:37,820 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:56:37,857 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:56:37,857 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 22:56:37,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:37 BoogieIcfgContainer [2024-11-23 22:56:37,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:56:37,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:56:37,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:56:37,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:56:37,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:56:26" (1/3) ... [2024-11-23 22:56:37,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e90a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:37, skipping insertion in model container [2024-11-23 22:56:37,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:28" (2/3) ... [2024-11-23 22:56:37,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e90a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:37, skipping insertion in model container [2024-11-23 22:56:37,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:37" (3/3) ... [2024-11-23 22:56:37,872 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c [2024-11-23 22:56:37,893 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:56:37,896 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.7.ufo.UNBOUNDED.pals+Problem12_label04.c that has 1 procedures, 932 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-23 22:56:37,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:56:38,018 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;@62cb1699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:56:38,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 22:56:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 932 states, 929 states have (on average 1.9031216361679224) internal successors, (1768), 931 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:38,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-23 22:56:38,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:38,046 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:38,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:38,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash -28928260, now seen corresponding path program 1 times [2024-11-23 22:56:38,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081142035] [2024-11-23 22:56:38,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:38,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:38,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081142035] [2024-11-23 22:56:38,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081142035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:38,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:38,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:38,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995788308] [2024-11-23 22:56:38,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:38,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:56:38,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:38,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:56:38,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:56:38,533 INFO L87 Difference]: Start difference. First operand has 932 states, 929 states have (on average 1.9031216361679224) internal successors, (1768), 931 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:38,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:38,669 INFO L93 Difference]: Finished difference Result 1806 states and 3426 transitions. [2024-11-23 22:56:38,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:56:38,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-23 22:56:38,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:38,688 INFO L225 Difference]: With dead ends: 1806 [2024-11-23 22:56:38,689 INFO L226 Difference]: Without dead ends: 866 [2024-11-23 22:56:38,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:56:38,699 INFO L435 NwaCegarLoop]: 1699 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, 1699 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 [2024-11-23 22:56:38,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:38,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-23 22:56:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2024-11-23 22:56:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 864 states have (on average 1.8923611111111112) internal successors, (1635), 865 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:38,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1635 transitions. [2024-11-23 22:56:38,832 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1635 transitions. Word has length 28 [2024-11-23 22:56:38,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:38,833 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1635 transitions. [2024-11-23 22:56:38,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1635 transitions. [2024-11-23 22:56:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-23 22:56:38,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:38,838 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:38,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:56:38,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash 189926458, now seen corresponding path program 1 times [2024-11-23 22:56:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:38,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773240881] [2024-11-23 22:56:38,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:39,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773240881] [2024-11-23 22:56:39,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773240881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:56:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642814575] [2024-11-23 22:56:39,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:56:39,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:39,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:56:39,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:56:39,297 INFO L87 Difference]: Start difference. First operand 866 states and 1635 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:39,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:39,553 INFO L93 Difference]: Finished difference Result 926 states and 1729 transitions. [2024-11-23 22:56:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:56:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-23 22:56:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:39,562 INFO L225 Difference]: With dead ends: 926 [2024-11-23 22:56:39,562 INFO L226 Difference]: Without dead ends: 866 [2024-11-23 22:56:39,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:56:39,566 INFO L435 NwaCegarLoop]: 1633 mSDtfsCounter, 0 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6477 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:39,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6477 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:56:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-23 22:56:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2024-11-23 22:56:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 864 states have (on average 1.8344907407407407) internal successors, (1585), 865 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1585 transitions. [2024-11-23 22:56:39,614 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1585 transitions. Word has length 28 [2024-11-23 22:56:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:39,615 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1585 transitions. [2024-11-23 22:56:39,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1585 transitions. [2024-11-23 22:56:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-23 22:56:39,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:39,617 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:39,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:56:39,618 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:39,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2102133679, now seen corresponding path program 1 times [2024-11-23 22:56:39,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:39,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386490413] [2024-11-23 22:56:39,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:39,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:39,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:39,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:39,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386490413] [2024-11-23 22:56:39,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386490413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:39,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:39,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:39,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124941455] [2024-11-23 22:56:39,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:39,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:39,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:39,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:39,942 INFO L87 Difference]: Start difference. First operand 866 states and 1585 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:45,601 INFO L93 Difference]: Finished difference Result 2370 states and 4458 transitions. [2024-11-23 22:56:45,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:45,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-23 22:56:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:45,612 INFO L225 Difference]: With dead ends: 2370 [2024-11-23 22:56:45,613 INFO L226 Difference]: Without dead ends: 1617 [2024-11-23 22:56:45,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:45,619 INFO L435 NwaCegarLoop]: 614 mSDtfsCounter, 886 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:45,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 621 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-23 22:56:45,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-23 22:56:45,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1617. [2024-11-23 22:56:45,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1615 states have (on average 1.5876160990712074) internal successors, (2564), 1616 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2564 transitions. [2024-11-23 22:56:45,676 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2564 transitions. Word has length 61 [2024-11-23 22:56:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:45,677 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2564 transitions. [2024-11-23 22:56:45,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2564 transitions. [2024-11-23 22:56:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 22:56:45,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:45,680 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:45,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:56:45,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:45,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1109970983, now seen corresponding path program 1 times [2024-11-23 22:56:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:45,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785973725] [2024-11-23 22:56:45,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785973725] [2024-11-23 22:56:46,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785973725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:46,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:46,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:56:46,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293955126] [2024-11-23 22:56:46,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:46,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:56:46,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:46,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:56:46,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:56:46,261 INFO L87 Difference]: Start difference. First operand 1617 states and 2564 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:46,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:46,887 INFO L93 Difference]: Finished difference Result 2401 states and 3824 transitions. [2024-11-23 22:56:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 22:56:46,887 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-23 22:56:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:46,901 INFO L225 Difference]: With dead ends: 2401 [2024-11-23 22:56:46,901 INFO L226 Difference]: Without dead ends: 2345 [2024-11-23 22:56:46,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-23 22:56:46,904 INFO L435 NwaCegarLoop]: 1579 mSDtfsCounter, 11614 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11614 SdHoareTripleChecker+Valid, 4325 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:46,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11614 Valid, 4325 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:56:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2024-11-23 22:56:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 1671. [2024-11-23 22:56:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1669 states have (on average 1.5883762732174955) internal successors, (2651), 1670 states have internal predecessors, (2651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2651 transitions. [2024-11-23 22:56:46,964 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2651 transitions. Word has length 77 [2024-11-23 22:56:46,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:46,965 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2651 transitions. [2024-11-23 22:56:46,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2651 transitions. [2024-11-23 22:56:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-23 22:56:46,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:46,967 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:46,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:56:46,968 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:46,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1349050793, now seen corresponding path program 1 times [2024-11-23 22:56:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:46,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499415709] [2024-11-23 22:56:46,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:46,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:47,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:47,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499415709] [2024-11-23 22:56:47,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499415709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:47,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:47,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:47,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715728307] [2024-11-23 22:56:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:47,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:47,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:47,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:47,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:47,211 INFO L87 Difference]: Start difference. First operand 1671 states and 2651 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:47,273 INFO L93 Difference]: Finished difference Result 1880 states and 2986 transitions. [2024-11-23 22:56:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:47,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-23 22:56:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:47,283 INFO L225 Difference]: With dead ends: 1880 [2024-11-23 22:56:47,283 INFO L226 Difference]: Without dead ends: 1770 [2024-11-23 22:56:47,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:47,285 INFO L435 NwaCegarLoop]: 1581 mSDtfsCounter, 1500 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:47,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 1664 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2024-11-23 22:56:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1766. [2024-11-23 22:56:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1764 states have (on average 1.5878684807256236) internal successors, (2801), 1765 states have internal predecessors, (2801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2801 transitions. [2024-11-23 22:56:47,340 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2801 transitions. Word has length 79 [2024-11-23 22:56:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:47,340 INFO L471 AbstractCegarLoop]: Abstraction has 1766 states and 2801 transitions. [2024-11-23 22:56:47,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2801 transitions. [2024-11-23 22:56:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-23 22:56:47,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:47,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:47,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:56:47,345 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:47,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1415544305, now seen corresponding path program 1 times [2024-11-23 22:56:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:47,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899750198] [2024-11-23 22:56:47,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:48,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:48,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899750198] [2024-11-23 22:56:48,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899750198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:48,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:48,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:56:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833679102] [2024-11-23 22:56:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:48,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:56:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:48,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:56:48,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:56:48,245 INFO L87 Difference]: Start difference. First operand 1766 states and 2801 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:48,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:48,900 INFO L93 Difference]: Finished difference Result 1973 states and 3129 transitions. [2024-11-23 22:56:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:56:48,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-23 22:56:48,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:48,911 INFO L225 Difference]: With dead ends: 1973 [2024-11-23 22:56:48,911 INFO L226 Difference]: Without dead ends: 1768 [2024-11-23 22:56:48,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:56:48,914 INFO L435 NwaCegarLoop]: 1577 mSDtfsCounter, 3064 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:48,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 2108 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:56:48,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2024-11-23 22:56:48,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1766. [2024-11-23 22:56:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1764 states have (on average 1.586734693877551) internal successors, (2799), 1765 states have internal predecessors, (2799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2799 transitions. [2024-11-23 22:56:48,980 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2799 transitions. Word has length 79 [2024-11-23 22:56:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:48,981 INFO L471 AbstractCegarLoop]: Abstraction has 1766 states and 2799 transitions. [2024-11-23 22:56:48,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2799 transitions. [2024-11-23 22:56:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:56:48,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:48,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:48,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:56:48,984 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:48,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash 517477589, now seen corresponding path program 1 times [2024-11-23 22:56:48,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:48,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890038475] [2024-11-23 22:56:48,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:48,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:49,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:49,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890038475] [2024-11-23 22:56:49,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890038475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:49,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:49,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:56:49,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160251048] [2024-11-23 22:56:49,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:49,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:56:49,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:49,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:56:49,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:56:49,619 INFO L87 Difference]: Start difference. First operand 1766 states and 2799 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:49,749 INFO L93 Difference]: Finished difference Result 1774 states and 2808 transitions. [2024-11-23 22:56:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:56:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-23 22:56:49,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:49,759 INFO L225 Difference]: With dead ends: 1774 [2024-11-23 22:56:49,759 INFO L226 Difference]: Without dead ends: 1772 [2024-11-23 22:56:49,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:56:49,761 INFO L435 NwaCegarLoop]: 1579 mSDtfsCounter, 0 mSDsluCounter, 9461 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11040 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:49,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11040 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:49,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2024-11-23 22:56:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 1772. [2024-11-23 22:56:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1772 states, 1770 states have (on average 1.584180790960452) internal successors, (2804), 1771 states have internal predecessors, (2804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2804 transitions. [2024-11-23 22:56:49,838 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2804 transitions. Word has length 80 [2024-11-23 22:56:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:49,839 INFO L471 AbstractCegarLoop]: Abstraction has 1772 states and 2804 transitions. [2024-11-23 22:56:49,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2804 transitions. [2024-11-23 22:56:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:49,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:49,841 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:49,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:56:49,842 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:49,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:49,842 INFO L85 PathProgramCache]: Analyzing trace with hash -927531695, now seen corresponding path program 1 times [2024-11-23 22:56:49,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:49,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480412170] [2024-11-23 22:56:49,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:49,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:49,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:49,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480412170] [2024-11-23 22:56:49,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480412170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:49,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:49,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:49,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813680984] [2024-11-23 22:56:49,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:49,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:49,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:49,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:49,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:49,979 INFO L87 Difference]: Start difference. First operand 1772 states and 2804 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:50,035 INFO L93 Difference]: Finished difference Result 2178 states and 3436 transitions. [2024-11-23 22:56:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:50,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:50,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:50,044 INFO L225 Difference]: With dead ends: 2178 [2024-11-23 22:56:50,044 INFO L226 Difference]: Without dead ends: 1967 [2024-11-23 22:56:50,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,046 INFO L435 NwaCegarLoop]: 1652 mSDtfsCounter, 1517 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:50,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1747 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2024-11-23 22:56:50,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1965. [2024-11-23 22:56:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1963 states have (on average 1.5797249108507387) internal successors, (3101), 1964 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3101 transitions. [2024-11-23 22:56:50,115 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3101 transitions. Word has length 81 [2024-11-23 22:56:50,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:50,116 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 3101 transitions. [2024-11-23 22:56:50,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3101 transitions. [2024-11-23 22:56:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:50,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:50,118 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:50,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:56:50,118 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:50,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:50,119 INFO L85 PathProgramCache]: Analyzing trace with hash -764617135, now seen corresponding path program 1 times [2024-11-23 22:56:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:50,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761799014] [2024-11-23 22:56:50,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:50,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:50,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761799014] [2024-11-23 22:56:50,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761799014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:50,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:50,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:50,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248278384] [2024-11-23 22:56:50,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:50,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:50,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:50,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:50,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,229 INFO L87 Difference]: Start difference. First operand 1965 states and 3101 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:50,294 INFO L93 Difference]: Finished difference Result 2741 states and 4299 transitions. [2024-11-23 22:56:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:50,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:50,304 INFO L225 Difference]: With dead ends: 2741 [2024-11-23 22:56:50,304 INFO L226 Difference]: Without dead ends: 2337 [2024-11-23 22:56:50,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,306 INFO L435 NwaCegarLoop]: 1650 mSDtfsCounter, 1515 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:50,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1749 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2024-11-23 22:56:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2335. [2024-11-23 22:56:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 2333 states have (on average 1.5700814402057437) internal successors, (3663), 2334 states have internal predecessors, (3663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3663 transitions. [2024-11-23 22:56:50,395 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3663 transitions. Word has length 81 [2024-11-23 22:56:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:50,395 INFO L471 AbstractCegarLoop]: Abstraction has 2335 states and 3663 transitions. [2024-11-23 22:56:50,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3663 transitions. [2024-11-23 22:56:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:50,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:50,397 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:50,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:56:50,398 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:50,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:50,398 INFO L85 PathProgramCache]: Analyzing trace with hash 737501265, now seen corresponding path program 1 times [2024-11-23 22:56:50,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:50,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750365628] [2024-11-23 22:56:50,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:50,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:50,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750365628] [2024-11-23 22:56:50,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750365628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:50,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:50,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:50,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064322252] [2024-11-23 22:56:50,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:50,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:50,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:50,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:50,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,523 INFO L87 Difference]: Start difference. First operand 2335 states and 3663 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:50,609 INFO L93 Difference]: Finished difference Result 3819 states and 5929 transitions. [2024-11-23 22:56:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:50,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:50,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:50,622 INFO L225 Difference]: With dead ends: 3819 [2024-11-23 22:56:50,622 INFO L226 Difference]: Without dead ends: 3045 [2024-11-23 22:56:50,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,625 INFO L435 NwaCegarLoop]: 1638 mSDtfsCounter, 1511 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:50,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 1745 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:50,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2024-11-23 22:56:50,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 3043. [2024-11-23 22:56:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3041 states have (on average 1.5531075304176258) internal successors, (4723), 3042 states have internal predecessors, (4723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4723 transitions. [2024-11-23 22:56:50,752 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4723 transitions. Word has length 81 [2024-11-23 22:56:50,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:50,753 INFO L471 AbstractCegarLoop]: Abstraction has 3043 states and 4723 transitions. [2024-11-23 22:56:50,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4723 transitions. [2024-11-23 22:56:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:50,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:50,755 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:50,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:56:50,755 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:50,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1477967535, now seen corresponding path program 1 times [2024-11-23 22:56:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837109920] [2024-11-23 22:56:50,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:50,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:50,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837109920] [2024-11-23 22:56:50,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837109920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:50,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:50,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:50,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135847471] [2024-11-23 22:56:50,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:50,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:50,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:50,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:50,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:50,881 INFO L87 Difference]: Start difference. First operand 3043 states and 4723 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:51,011 INFO L93 Difference]: Finished difference Result 5879 states and 8997 transitions. [2024-11-23 22:56:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:51,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:51,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:51,029 INFO L225 Difference]: With dead ends: 5879 [2024-11-23 22:56:51,029 INFO L226 Difference]: Without dead ends: 4397 [2024-11-23 22:56:51,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:51,033 INFO L435 NwaCegarLoop]: 1636 mSDtfsCounter, 1509 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:51,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 1747 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:51,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2024-11-23 22:56:51,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4395. [2024-11-23 22:56:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 4393 states have (on average 1.528568176644662) internal successors, (6715), 4394 states have internal predecessors, (6715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6715 transitions. [2024-11-23 22:56:51,236 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6715 transitions. Word has length 81 [2024-11-23 22:56:51,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:51,237 INFO L471 AbstractCegarLoop]: Abstraction has 4395 states and 6715 transitions. [2024-11-23 22:56:51,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6715 transitions. [2024-11-23 22:56:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:51,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:51,239 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:51,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:56:51,239 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:51,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash 302965329, now seen corresponding path program 1 times [2024-11-23 22:56:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264093704] [2024-11-23 22:56:51,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:51,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:51,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264093704] [2024-11-23 22:56:51,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264093704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:51,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:51,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19141530] [2024-11-23 22:56:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:51,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:51,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:51,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:51,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:51,362 INFO L87 Difference]: Start difference. First operand 4395 states and 6715 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:51,534 INFO L93 Difference]: Finished difference Result 9807 states and 14749 transitions. [2024-11-23 22:56:51,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:51,580 INFO L225 Difference]: With dead ends: 9807 [2024-11-23 22:56:51,581 INFO L226 Difference]: Without dead ends: 6973 [2024-11-23 22:56:51,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:51,587 INFO L435 NwaCegarLoop]: 1634 mSDtfsCounter, 1507 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:51,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 1749 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:51,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6973 states. [2024-11-23 22:56:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6973 to 6971. [2024-11-23 22:56:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 6969 states have (on average 1.498493327593629) internal successors, (10443), 6970 states have internal predecessors, (10443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 10443 transitions. [2024-11-23 22:56:51,894 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 10443 transitions. Word has length 81 [2024-11-23 22:56:51,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:51,894 INFO L471 AbstractCegarLoop]: Abstraction has 6971 states and 10443 transitions. [2024-11-23 22:56:51,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 10443 transitions. [2024-11-23 22:56:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:56:51,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:51,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:51,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:56:51,898 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:51,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash -500760751, now seen corresponding path program 1 times [2024-11-23 22:56:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:51,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624084171] [2024-11-23 22:56:51,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:52,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:52,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624084171] [2024-11-23 22:56:52,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624084171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:52,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:52,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:52,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770671950] [2024-11-23 22:56:52,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:52,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:52,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:52,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:52,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:52,009 INFO L87 Difference]: Start difference. First operand 6971 states and 10443 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:52,285 INFO L93 Difference]: Finished difference Result 17279 states and 25485 transitions. [2024-11-23 22:56:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:52,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 22:56:52,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:52,333 INFO L225 Difference]: With dead ends: 17279 [2024-11-23 22:56:52,333 INFO L226 Difference]: Without dead ends: 11869 [2024-11-23 22:56:52,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:52,343 INFO L435 NwaCegarLoop]: 1648 mSDtfsCounter, 1513 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:52,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 1751 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:52,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11869 states. [2024-11-23 22:56:52,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11869 to 11867. [2024-11-23 22:56:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11867 states, 11865 states have (on average 1.465402444163506) internal successors, (17387), 11866 states have internal predecessors, (17387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11867 states to 11867 states and 17387 transitions. [2024-11-23 22:56:52,980 INFO L78 Accepts]: Start accepts. Automaton has 11867 states and 17387 transitions. Word has length 81 [2024-11-23 22:56:52,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:52,981 INFO L471 AbstractCegarLoop]: Abstraction has 11867 states and 17387 transitions. [2024-11-23 22:56:52,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11867 states and 17387 transitions. [2024-11-23 22:56:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 22:56:52,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:52,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:52,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:56:52,983 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:52,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1125158260, now seen corresponding path program 1 times [2024-11-23 22:56:52,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:52,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265719118] [2024-11-23 22:56:52,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:53,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:53,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265719118] [2024-11-23 22:56:53,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265719118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:53,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:53,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:53,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395812821] [2024-11-23 22:56:53,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:53,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:53,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:53,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:53,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:53,085 INFO L87 Difference]: Start difference. First operand 11867 states and 17387 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:53,415 INFO L93 Difference]: Finished difference Result 22626 states and 33137 transitions. [2024-11-23 22:56:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:53,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-23 22:56:53,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:53,462 INFO L225 Difference]: With dead ends: 22626 [2024-11-23 22:56:53,463 INFO L226 Difference]: Without dead ends: 16863 [2024-11-23 22:56:53,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:53,474 INFO L435 NwaCegarLoop]: 1657 mSDtfsCounter, 1516 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:53,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 1748 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:56:53,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16863 states. [2024-11-23 22:56:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16863 to 16861. [2024-11-23 22:56:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16861 states, 16859 states have (on average 1.4528145204341893) internal successors, (24493), 16860 states have internal predecessors, (24493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16861 states to 16861 states and 24493 transitions. [2024-11-23 22:56:54,053 INFO L78 Accepts]: Start accepts. Automaton has 16861 states and 24493 transitions. Word has length 83 [2024-11-23 22:56:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:54,053 INFO L471 AbstractCegarLoop]: Abstraction has 16861 states and 24493 transitions. [2024-11-23 22:56:54,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 16861 states and 24493 transitions. [2024-11-23 22:56:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:56:54,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:54,060 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:54,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:56:54,060 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:54,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:54,061 INFO L85 PathProgramCache]: Analyzing trace with hash -293163275, now seen corresponding path program 1 times [2024-11-23 22:56:54,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:54,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031230812] [2024-11-23 22:56:54,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:56:54,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:54,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031230812] [2024-11-23 22:56:54,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031230812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:54,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:54,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:56:54,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340357470] [2024-11-23 22:56:54,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:54,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:56:54,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:54,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:56:54,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:56:54,475 INFO L87 Difference]: Start difference. First operand 16861 states and 24493 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:56:56,754 INFO L93 Difference]: Finished difference Result 127085 states and 182965 transitions. [2024-11-23 22:56:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:56:56,843 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-23 22:56:56,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:56:57,145 INFO L225 Difference]: With dead ends: 127085 [2024-11-23 22:56:57,145 INFO L226 Difference]: Without dead ends: 111787 [2024-11-23 22:56:57,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:56:57,180 INFO L435 NwaCegarLoop]: 1675 mSDtfsCounter, 9903 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9903 SdHoareTripleChecker+Valid, 4445 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:56:57,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9903 Valid, 4445 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:56:57,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111787 states. [2024-11-23 22:56:58,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111787 to 32157. [2024-11-23 22:56:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32157 states, 32155 states have (on average 1.4404291712019903) internal successors, (46317), 32156 states have internal predecessors, (46317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32157 states to 32157 states and 46317 transitions. [2024-11-23 22:56:58,952 INFO L78 Accepts]: Start accepts. Automaton has 32157 states and 46317 transitions. Word has length 104 [2024-11-23 22:56:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:56:58,953 INFO L471 AbstractCegarLoop]: Abstraction has 32157 states and 46317 transitions. [2024-11-23 22:56:58,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:56:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32157 states and 46317 transitions. [2024-11-23 22:56:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:56:58,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:56:58,959 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:58,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:56:58,960 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:56:58,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash -130248715, now seen corresponding path program 1 times [2024-11-23 22:56:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394452352] [2024-11-23 22:56:58,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:58,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:56:59,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:59,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394452352] [2024-11-23 22:56:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394452352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:59,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:59,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:56:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488808913] [2024-11-23 22:56:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:59,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:56:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:59,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:56:59,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:56:59,308 INFO L87 Difference]: Start difference. First operand 32157 states and 46317 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:02,838 INFO L93 Difference]: Finished difference Result 142381 states and 204789 transitions. [2024-11-23 22:57:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:57:02,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-23 22:57:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:03,047 INFO L225 Difference]: With dead ends: 142381 [2024-11-23 22:57:03,048 INFO L226 Difference]: Without dead ends: 127083 [2024-11-23 22:57:03,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:57:03,078 INFO L435 NwaCegarLoop]: 1672 mSDtfsCounter, 9949 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9949 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:03,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9949 Valid, 4305 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:57:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127083 states. [2024-11-23 22:57:05,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127083 to 55133. [2024-11-23 22:57:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55133 states, 55131 states have (on average 1.4310097767136456) internal successors, (78893), 55132 states have internal predecessors, (78893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55133 states to 55133 states and 78893 transitions. [2024-11-23 22:57:05,230 INFO L78 Accepts]: Start accepts. Automaton has 55133 states and 78893 transitions. Word has length 104 [2024-11-23 22:57:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:57:05,231 INFO L471 AbstractCegarLoop]: Abstraction has 55133 states and 78893 transitions. [2024-11-23 22:57:05,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 55133 states and 78893 transitions. [2024-11-23 22:57:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:57:05,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:05,239 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:05,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:57:05,239 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:57:05,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1371869685, now seen corresponding path program 1 times [2024-11-23 22:57:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:05,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178814440] [2024-11-23 22:57:05,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 22:57:05,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:05,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178814440] [2024-11-23 22:57:05,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178814440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:05,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:05,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:57:05,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215839810] [2024-11-23 22:57:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:05,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:57:05,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:05,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:57:05,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:57:05,643 INFO L87 Difference]: Start difference. First operand 55133 states and 78893 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:10,894 INFO L93 Difference]: Finished difference Result 157677 states and 226613 transitions. [2024-11-23 22:57:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:57:10,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-23 22:57:10,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:11,252 INFO L225 Difference]: With dead ends: 157677 [2024-11-23 22:57:11,252 INFO L226 Difference]: Without dead ends: 142379 [2024-11-23 22:57:11,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:57:11,286 INFO L435 NwaCegarLoop]: 1669 mSDtfsCounter, 10022 mSDsluCounter, 2637 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10022 SdHoareTripleChecker+Valid, 4306 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:11,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10022 Valid, 4306 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:57:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142379 states. [2024-11-23 22:57:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142379 to 70429. [2024-11-23 22:57:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70429 states, 70427 states have (on average 1.4300907322475755) internal successors, (100717), 70428 states have internal predecessors, (100717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70429 states to 70429 states and 100717 transitions. [2024-11-23 22:57:14,596 INFO L78 Accepts]: Start accepts. Automaton has 70429 states and 100717 transitions. Word has length 104 [2024-11-23 22:57:14,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:57:14,597 INFO L471 AbstractCegarLoop]: Abstraction has 70429 states and 100717 transitions. [2024-11-23 22:57:14,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 70429 states and 100717 transitions. [2024-11-23 22:57:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:57:14,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:14,608 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:14,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 22:57:14,608 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:57:14,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:14,609 INFO L85 PathProgramCache]: Analyzing trace with hash -843599115, now seen corresponding path program 1 times [2024-11-23 22:57:14,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:14,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019659949] [2024-11-23 22:57:14,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 22:57:15,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:15,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019659949] [2024-11-23 22:57:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019659949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:15,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:15,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:57:15,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22123066] [2024-11-23 22:57:15,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:15,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:57:15,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:15,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:57:15,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:57:15,045 INFO L87 Difference]: Start difference. First operand 70429 states and 100717 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:19,426 INFO L93 Difference]: Finished difference Result 172973 states and 248437 transitions. [2024-11-23 22:57:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:57:19,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-23 22:57:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:19,638 INFO L225 Difference]: With dead ends: 172973 [2024-11-23 22:57:19,639 INFO L226 Difference]: Without dead ends: 157675 [2024-11-23 22:57:19,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:57:19,670 INFO L435 NwaCegarLoop]: 1666 mSDtfsCounter, 10093 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10093 SdHoareTripleChecker+Valid, 4243 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:19,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10093 Valid, 4243 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:57:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157675 states. [2024-11-23 22:57:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157675 to 85725. [2024-11-23 22:57:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85725 states, 85723 states have (on average 1.4294996675338008) internal successors, (122541), 85724 states have internal predecessors, (122541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85725 states to 85725 states and 122541 transitions. [2024-11-23 22:57:24,069 INFO L78 Accepts]: Start accepts. Automaton has 85725 states and 122541 transitions. Word has length 104 [2024-11-23 22:57:24,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:57:24,070 INFO L471 AbstractCegarLoop]: Abstraction has 85725 states and 122541 transitions. [2024-11-23 22:57:24,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 85725 states and 122541 transitions. [2024-11-23 22:57:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:57:24,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:57:24,077 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:24,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 22:57:24,077 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:57:24,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:24,078 INFO L85 PathProgramCache]: Analyzing trace with hash 937333749, now seen corresponding path program 1 times [2024-11-23 22:57:24,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101872321] [2024-11-23 22:57:24,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:24,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 22:57:24,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:24,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101872321] [2024-11-23 22:57:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101872321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:57:24,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300718163] [2024-11-23 22:57:24,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:24,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:57:24,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:24,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:57:24,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:57:24,433 INFO L87 Difference]: Start difference. First operand 85725 states and 122541 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:57:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:57:30,803 INFO L93 Difference]: Finished difference Result 188269 states and 270261 transitions. [2024-11-23 22:57:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:57:30,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-23 22:57:30,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:57:31,028 INFO L225 Difference]: With dead ends: 188269 [2024-11-23 22:57:31,028 INFO L226 Difference]: Without dead ends: 172971 [2024-11-23 22:57:31,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:57:31,060 INFO L435 NwaCegarLoop]: 1669 mSDtfsCounter, 9939 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9939 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:57:31,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9939 Valid, 4354 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:57:31,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172971 states.