./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5643166a994eeb2bd259cf18f0a4b43a93b8e6b433c116ad537f0a1a02a75ec3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:47:19,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:47:19,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:47:19,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:47:19,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:47:19,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:47:19,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:47:19,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:47:19,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:47:19,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:47:19,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:47:19,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:47:19,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:47:19,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:47:19,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:47:19,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:47:19,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:47:19,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:47:19,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:47:19,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:47:19,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:47:19,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:47:19,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:47:19,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:47:19,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:47:19,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:47:19,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:47:19,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:47:19,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:47:19,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:47:19,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:47:19,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:47:19,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:47:19,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:47:19,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:47:19,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:47:19,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:47:19,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:47:19,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:47:19,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:47:19,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:47:19,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:47:19,978 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5643166a994eeb2bd259cf18f0a4b43a93b8e6b433c116ad537f0a1a02a75ec3 [2024-11-08 14:47:20,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:47:20,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:47:20,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:47:20,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:47:20,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:47:20,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c [2024-11-08 14:47:21,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:47:22,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:47:22,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c [2024-11-08 14:47:22,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce0a9a59/76ede4734c8546a4b14d6563028b06d4/FLAG4e280bdb2 [2024-11-08 14:47:22,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce0a9a59/76ede4734c8546a4b14d6563028b06d4 [2024-11-08 14:47:22,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:47:22,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:47:22,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:47:22,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:47:22,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:47:22,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:47:22" (1/1) ... [2024-11-08 14:47:22,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5603c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:22, skipping insertion in model container [2024-11-08 14:47:22,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:47:22" (1/1) ... [2024-11-08 14:47:22,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:47:22,745 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c[49225,49238] [2024-11-08 14:47:22,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:47:22,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:47:22,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [48] [2024-11-08 14:47:22,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1591] [2024-11-08 14:47:22,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [1685] [2024-11-08 14:47:22,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1722] [2024-11-08 14:47:22,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1740] [2024-11-08 14:47:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2106] [2024-11-08 14:47:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2144] [2024-11-08 14:47:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2262] [2024-11-08 14:47:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2271] [2024-11-08 14:47:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2619] [2024-11-08 14:47:22,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c[49225,49238] [2024-11-08 14:47:22,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:47:23,024 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:47:23,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23 WrapperNode [2024-11-08 14:47:23,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:47:23,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:47:23,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:47:23,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:47:23,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,136 INFO L138 Inliner]: procedures = 91, calls = 333, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 1050 [2024-11-08 14:47:23,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:47:23,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:47:23,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:47:23,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:47:23,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,190 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-08 14:47:23,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:47:23,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:47:23,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:47:23,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:47:23,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (1/1) ... [2024-11-08 14:47:23,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:47:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:47:23,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 14:47:23,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 14:47:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:47:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-08 14:47:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-08 14:47:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-08 14:47:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-08 14:47:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-08 14:47:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-08 14:47:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-08 14:47:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-08 14:47:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-08 14:47:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-08 14:47:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-08 14:47:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-08 14:47:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-08 14:47:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-08 14:47:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-08 14:47:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-08 14:47:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 14:47:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 14:47:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 14:47:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 14:47:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-08 14:47:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-08 14:47:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-08 14:47:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-08 14:47:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-08 14:47:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-08 14:47:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-08 14:47:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-08 14:47:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-08 14:47:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-08 14:47:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-08 14:47:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-08 14:47:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-08 14:47:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-08 14:47:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-08 14:47:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 14:47:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 14:47:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-08 14:47:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-08 14:47:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-08 14:47:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:47:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:47:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-08 14:47:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-08 14:47:23,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:47:23,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:47:24,632 INFO L? ?]: Removed 440 outVars from TransFormulas that were not future-live. [2024-11-08 14:47:24,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:47:24,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:47:24,656 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 14:47:24,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:47:24 BoogieIcfgContainer [2024-11-08 14:47:24,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:47:24,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:47:24,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:47:24,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:47:24,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:47:22" (1/3) ... [2024-11-08 14:47:24,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc78744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:47:24, skipping insertion in model container [2024-11-08 14:47:24,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:47:23" (2/3) ... [2024-11-08 14:47:24,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc78744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:47:24, skipping insertion in model container [2024-11-08 14:47:24,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:47:24" (3/3) ... [2024-11-08 14:47:24,666 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product19.cil.c [2024-11-08 14:47:24,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:47:24,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:47:24,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:47:24,760 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;@1068d919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:47:24,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:47:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 532 states, 414 states have (on average 1.6763285024154588) internal successors, (694), 430 states have internal predecessors, (694), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 14:47:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 14:47:24,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:24,802 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:24,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:24,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 124463842, now seen corresponding path program 1 times [2024-11-08 14:47:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:24,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966897688] [2024-11-08 14:47:24,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:24,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 14:47:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:47:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:47:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:47:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:47:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:47:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:25,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:25,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966897688] [2024-11-08 14:47:25,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966897688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:25,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:25,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:25,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659573007] [2024-11-08 14:47:25,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:25,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:25,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:25,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:25,829 INFO L87 Difference]: Start difference. First operand has 532 states, 414 states have (on average 1.6763285024154588) internal successors, (694), 430 states have internal predecessors, (694), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:30,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:30,192 INFO L93 Difference]: Finished difference Result 1261 states and 2116 transitions. [2024-11-08 14:47:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:47:30,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2024-11-08 14:47:30,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:30,212 INFO L225 Difference]: With dead ends: 1261 [2024-11-08 14:47:30,212 INFO L226 Difference]: Without dead ends: 725 [2024-11-08 14:47:30,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:47:30,231 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 1319 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:30,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1250 Invalid, 2753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [378 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-08 14:47:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-08 14:47:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 527. [2024-11-08 14:47:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 410 states have (on average 1.6658536585365853) internal successors, (683), 425 states have internal predecessors, (683), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 868 transitions. [2024-11-08 14:47:30,441 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 868 transitions. Word has length 101 [2024-11-08 14:47:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:30,443 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 868 transitions. [2024-11-08 14:47:30,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 868 transitions. [2024-11-08 14:47:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 14:47:30,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:30,452 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:30,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 14:47:30,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:30,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash -641430685, now seen corresponding path program 1 times [2024-11-08 14:47:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:30,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158897524] [2024-11-08 14:47:30,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 14:47:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:47:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 14:47:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:47:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:47:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:47:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:47:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:30,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:30,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158897524] [2024-11-08 14:47:30,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158897524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:30,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:30,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:30,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374827404] [2024-11-08 14:47:30,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:30,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:30,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:30,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:30,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:30,895 INFO L87 Difference]: Start difference. First operand 527 states and 868 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:34,827 INFO L93 Difference]: Finished difference Result 1235 states and 2043 transitions. [2024-11-08 14:47:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 14:47:34,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-11-08 14:47:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:34,838 INFO L225 Difference]: With dead ends: 1235 [2024-11-08 14:47:34,838 INFO L226 Difference]: Without dead ends: 725 [2024-11-08 14:47:34,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:47:34,844 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 1300 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:34,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1183 Invalid, 2744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 14:47:34,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-08 14:47:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 527. [2024-11-08 14:47:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 410 states have (on average 1.6634146341463414) internal successors, (682), 425 states have internal predecessors, (682), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 867 transitions. [2024-11-08 14:47:34,962 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 867 transitions. Word has length 102 [2024-11-08 14:47:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:34,962 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 867 transitions. [2024-11-08 14:47:34,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 867 transitions. [2024-11-08 14:47:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 14:47:34,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:34,968 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:34,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 14:47:34,969 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:34,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash 844801918, now seen corresponding path program 1 times [2024-11-08 14:47:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:34,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437888887] [2024-11-08 14:47:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 14:47:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 14:47:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 14:47:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:47:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:47:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:47:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 14:47:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:35,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437888887] [2024-11-08 14:47:35,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437888887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:35,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:35,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:35,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346184770] [2024-11-08 14:47:35,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:35,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:35,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:35,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:35,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:35,360 INFO L87 Difference]: Start difference. First operand 527 states and 867 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:38,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:38,602 INFO L93 Difference]: Finished difference Result 1235 states and 2042 transitions. [2024-11-08 14:47:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 14:47:38,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-11-08 14:47:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:38,609 INFO L225 Difference]: With dead ends: 1235 [2024-11-08 14:47:38,609 INFO L226 Difference]: Without dead ends: 725 [2024-11-08 14:47:38,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:47:38,613 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1304 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:38,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1155 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 14:47:38,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-08 14:47:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 527. [2024-11-08 14:47:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 410 states have (on average 1.6609756097560975) internal successors, (681), 425 states have internal predecessors, (681), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 866 transitions. [2024-11-08 14:47:38,700 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 866 transitions. Word has length 103 [2024-11-08 14:47:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:38,700 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 866 transitions. [2024-11-08 14:47:38,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 866 transitions. [2024-11-08 14:47:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 14:47:38,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:38,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:38,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 14:47:38,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:38,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:38,704 INFO L85 PathProgramCache]: Analyzing trace with hash -867468481, now seen corresponding path program 1 times [2024-11-08 14:47:38,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:38,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876130825] [2024-11-08 14:47:38,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:38,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:38,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:38,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 14:47:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:47:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 14:47:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:47:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:47:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:47:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:47:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:39,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:39,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876130825] [2024-11-08 14:47:39,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876130825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:39,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:39,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:39,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313933872] [2024-11-08 14:47:39,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:39,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:39,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:39,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:39,074 INFO L87 Difference]: Start difference. First operand 527 states and 866 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:42,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:42,116 INFO L93 Difference]: Finished difference Result 1235 states and 2041 transitions. [2024-11-08 14:47:42,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 14:47:42,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-11-08 14:47:42,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:42,123 INFO L225 Difference]: With dead ends: 1235 [2024-11-08 14:47:42,123 INFO L226 Difference]: Without dead ends: 725 [2024-11-08 14:47:42,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:47:42,127 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 1298 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:42,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 1164 Invalid, 2739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 14:47:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-08 14:47:42,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 527. [2024-11-08 14:47:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 410 states have (on average 1.6585365853658536) internal successors, (680), 425 states have internal predecessors, (680), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 865 transitions. [2024-11-08 14:47:42,210 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 865 transitions. Word has length 104 [2024-11-08 14:47:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:42,210 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 865 transitions. [2024-11-08 14:47:42,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 865 transitions. [2024-11-08 14:47:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 14:47:42,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:42,214 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:42,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 14:47:42,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:42,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1345883162, now seen corresponding path program 1 times [2024-11-08 14:47:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:42,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032733650] [2024-11-08 14:47:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 14:47:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 14:47:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 14:47:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:47:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:47:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:47:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:47:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:42,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:42,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032733650] [2024-11-08 14:47:42,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032733650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:42,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:42,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:42,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088611734] [2024-11-08 14:47:42,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:42,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:42,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:42,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:42,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:42,554 INFO L87 Difference]: Start difference. First operand 527 states and 865 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:45,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:45,669 INFO L93 Difference]: Finished difference Result 1235 states and 2040 transitions. [2024-11-08 14:47:45,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 14:47:45,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2024-11-08 14:47:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:45,674 INFO L225 Difference]: With dead ends: 1235 [2024-11-08 14:47:45,674 INFO L226 Difference]: Without dead ends: 725 [2024-11-08 14:47:45,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:47:45,678 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 1282 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 2743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:45,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 1220 Invalid, 2743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 14:47:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-08 14:47:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 527. [2024-11-08 14:47:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 410 states have (on average 1.6560975609756097) internal successors, (679), 425 states have internal predecessors, (679), 93 states have call successors, (93), 24 states have call predecessors, (93), 23 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 864 transitions. [2024-11-08 14:47:45,791 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 864 transitions. Word has length 105 [2024-11-08 14:47:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:45,792 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 864 transitions. [2024-11-08 14:47:45,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 864 transitions. [2024-11-08 14:47:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 14:47:45,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:45,795 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:45,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 14:47:45,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:45,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash 699466523, now seen corresponding path program 1 times [2024-11-08 14:47:45,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:45,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142306810] [2024-11-08 14:47:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:45,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:47:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 14:47:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 14:47:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:47:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:47:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:47:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:47:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:46,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:46,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142306810] [2024-11-08 14:47:46,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142306810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:46,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:46,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:46,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382181505] [2024-11-08 14:47:46,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:46,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:46,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:46,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:46,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:46,185 INFO L87 Difference]: Start difference. First operand 527 states and 864 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:49,528 INFO L93 Difference]: Finished difference Result 1275 states and 2104 transitions. [2024-11-08 14:47:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:47:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-11-08 14:47:49,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:49,533 INFO L225 Difference]: With dead ends: 1275 [2024-11-08 14:47:49,533 INFO L226 Difference]: Without dead ends: 769 [2024-11-08 14:47:49,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:47:49,537 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 1393 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:49,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 1123 Invalid, 2766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 14:47:49,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-08 14:47:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 547. [2024-11-08 14:47:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 429 states have (on average 1.6503496503496504) internal successors, (708), 444 states have internal predecessors, (708), 93 states have call successors, (93), 25 states have call predecessors, (93), 24 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 893 transitions. [2024-11-08 14:47:49,651 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 893 transitions. Word has length 106 [2024-11-08 14:47:49,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:49,652 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 893 transitions. [2024-11-08 14:47:49,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 893 transitions. [2024-11-08 14:47:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 14:47:49,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:49,657 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:49,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 14:47:49,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:49,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash -915924437, now seen corresponding path program 1 times [2024-11-08 14:47:49,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:49,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012657446] [2024-11-08 14:47:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:49,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:47:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 14:47:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 14:47:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:47:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:47:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:47:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:47:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:49,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:49,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012657446] [2024-11-08 14:47:49,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012657446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:49,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:49,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:49,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742311228] [2024-11-08 14:47:49,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:49,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:49,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:49,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:49,996 INFO L87 Difference]: Start difference. First operand 547 states and 893 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:52,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:52,723 INFO L93 Difference]: Finished difference Result 1259 states and 2055 transitions. [2024-11-08 14:47:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:47:52,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2024-11-08 14:47:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:52,728 INFO L225 Difference]: With dead ends: 1259 [2024-11-08 14:47:52,728 INFO L226 Difference]: Without dead ends: 769 [2024-11-08 14:47:52,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:47:52,731 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 1352 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 2760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:52,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 1187 Invalid, 2760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 14:47:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-08 14:47:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 547. [2024-11-08 14:47:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 429 states have (on average 1.6386946386946386) internal successors, (703), 444 states have internal predecessors, (703), 93 states have call successors, (93), 25 states have call predecessors, (93), 24 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:47:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 888 transitions. [2024-11-08 14:47:52,822 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 888 transitions. Word has length 107 [2024-11-08 14:47:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:52,823 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 888 transitions. [2024-11-08 14:47:52,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:47:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 888 transitions. [2024-11-08 14:47:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 14:47:52,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:52,826 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 14:47:52,826 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1711220192, now seen corresponding path program 1 times [2024-11-08 14:47:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:52,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608702156] [2024-11-08 14:47:52,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:47:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:47:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:47:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:47:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:47:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:47:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:47:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608702156] [2024-11-08 14:47:53,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608702156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:53,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:53,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:47:53,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696707540] [2024-11-08 14:47:53,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:53,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:47:53,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:53,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:47:53,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:47:53,229 INFO L87 Difference]: Start difference. First operand 547 states and 888 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:47:57,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:47:57,342 INFO L93 Difference]: Finished difference Result 1270 states and 2070 transitions. [2024-11-08 14:47:57,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 14:47:57,343 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2024-11-08 14:47:57,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:47:57,346 INFO L225 Difference]: With dead ends: 1270 [2024-11-08 14:47:57,346 INFO L226 Difference]: Without dead ends: 789 [2024-11-08 14:47:57,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-08 14:47:57,349 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 1377 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 4542 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 4923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 4542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:47:57,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 2247 Invalid, 4923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 4542 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 14:47:57,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-08 14:47:57,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 560. [2024-11-08 14:47:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 439 states have (on average 1.6355353075170842) internal successors, (718), 456 states have internal predecessors, (718), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:47:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 907 transitions. [2024-11-08 14:47:57,465 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 907 transitions. Word has length 108 [2024-11-08 14:47:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:47:57,465 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 907 transitions. [2024-11-08 14:47:57,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:47:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 907 transitions. [2024-11-08 14:47:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 14:47:57,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:47:57,469 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:47:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 14:47:57,469 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:47:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:47:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1696970047, now seen corresponding path program 1 times [2024-11-08 14:47:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:47:57,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581264543] [2024-11-08 14:47:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:47:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:47:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:47:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:47:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:47:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:47:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:47:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:47:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:47:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:47:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:47:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:47:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:47:57,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:47:57,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581264543] [2024-11-08 14:47:57,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581264543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:47:57,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:47:57,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:47:57,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155448263] [2024-11-08 14:47:57,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:47:57,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:47:57,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:47:57,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:47:57,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:47:57,737 INFO L87 Difference]: Start difference. First operand 560 states and 907 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:00,705 INFO L93 Difference]: Finished difference Result 1290 states and 2101 transitions. [2024-11-08 14:48:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:48:00,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-08 14:48:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:00,710 INFO L225 Difference]: With dead ends: 1290 [2024-11-08 14:48:00,710 INFO L226 Difference]: Without dead ends: 791 [2024-11-08 14:48:00,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:48:00,714 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 1335 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:00,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1222 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 14:48:00,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-11-08 14:48:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 560. [2024-11-08 14:48:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 439 states have (on average 1.6241457858769932) internal successors, (713), 456 states have internal predecessors, (713), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 902 transitions. [2024-11-08 14:48:00,816 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 902 transitions. Word has length 108 [2024-11-08 14:48:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:00,816 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 902 transitions. [2024-11-08 14:48:00,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 902 transitions. [2024-11-08 14:48:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 14:48:00,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:00,821 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:00,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 14:48:00,821 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:00,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash -3668175, now seen corresponding path program 1 times [2024-11-08 14:48:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:00,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894239472] [2024-11-08 14:48:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:48:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 14:48:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:48:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:48:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:48:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:48:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:01,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:01,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894239472] [2024-11-08 14:48:01,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894239472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:01,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:01,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:48:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073373584] [2024-11-08 14:48:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:01,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:01,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:48:01,177 INFO L87 Difference]: Start difference. First operand 560 states and 902 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:04,178 INFO L93 Difference]: Finished difference Result 1262 states and 2054 transitions. [2024-11-08 14:48:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:48:04,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-08 14:48:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:04,183 INFO L225 Difference]: With dead ends: 1262 [2024-11-08 14:48:04,183 INFO L226 Difference]: Without dead ends: 778 [2024-11-08 14:48:04,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:04,184 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 1331 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:04,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1174 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 2263 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 14:48:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-08 14:48:04,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 562. [2024-11-08 14:48:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 441 states have (on average 1.619047619047619) internal successors, (714), 458 states have internal predecessors, (714), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 903 transitions. [2024-11-08 14:48:04,282 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 903 transitions. Word has length 109 [2024-11-08 14:48:04,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:04,282 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 903 transitions. [2024-11-08 14:48:04,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 903 transitions. [2024-11-08 14:48:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 14:48:04,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:04,285 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:04,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 14:48:04,286 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:04,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:04,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2023739887, now seen corresponding path program 1 times [2024-11-08 14:48:04,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:04,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670393161] [2024-11-08 14:48:04,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:04,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:48:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 14:48:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:48:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:48:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:48:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:48:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:04,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:04,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670393161] [2024-11-08 14:48:04,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670393161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:04,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:04,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:48:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801403891] [2024-11-08 14:48:04,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:04,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:04,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:04,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:04,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:48:04,566 INFO L87 Difference]: Start difference. First operand 562 states and 903 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:07,358 INFO L93 Difference]: Finished difference Result 1294 states and 2095 transitions. [2024-11-08 14:48:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:48:07,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-08 14:48:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:07,364 INFO L225 Difference]: With dead ends: 1294 [2024-11-08 14:48:07,364 INFO L226 Difference]: Without dead ends: 793 [2024-11-08 14:48:07,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:48:07,367 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 1330 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:07,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 1219 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 2338 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 14:48:07,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-08 14:48:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 562. [2024-11-08 14:48:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 441 states have (on average 1.6077097505668934) internal successors, (709), 458 states have internal predecessors, (709), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 898 transitions. [2024-11-08 14:48:07,463 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 898 transitions. Word has length 109 [2024-11-08 14:48:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:07,463 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 898 transitions. [2024-11-08 14:48:07,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 898 transitions. [2024-11-08 14:48:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 14:48:07,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:07,466 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:07,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 14:48:07,467 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:07,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:07,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1371738274, now seen corresponding path program 1 times [2024-11-08 14:48:07,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:07,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631824160] [2024-11-08 14:48:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:48:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:48:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:48:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:48:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:48:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:48:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:07,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:07,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631824160] [2024-11-08 14:48:07,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631824160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:07,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:48:07,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333374196] [2024-11-08 14:48:07,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:07,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:48:07,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:07,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:48:07,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:48:07,808 INFO L87 Difference]: Start difference. First operand 562 states and 898 transitions. Second operand has 9 states, 8 states have (on average 8.625) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:48:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:11,627 INFO L93 Difference]: Finished difference Result 1280 states and 2066 transitions. [2024-11-08 14:48:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 14:48:11,628 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2024-11-08 14:48:11,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:11,633 INFO L225 Difference]: With dead ends: 1280 [2024-11-08 14:48:11,633 INFO L226 Difference]: Without dead ends: 791 [2024-11-08 14:48:11,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-08 14:48:11,636 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 1317 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 4418 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 4799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 4418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:11,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 2269 Invalid, 4799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 4418 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 14:48:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-11-08 14:48:11,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 568. [2024-11-08 14:48:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 447 states have (on average 1.5973154362416107) internal successors, (714), 464 states have internal predecessors, (714), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 903 transitions. [2024-11-08 14:48:11,741 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 903 transitions. Word has length 110 [2024-11-08 14:48:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:11,742 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 903 transitions. [2024-11-08 14:48:11,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:48:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 903 transitions. [2024-11-08 14:48:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 14:48:11,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:11,745 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:11,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 14:48:11,745 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:11,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -236974012, now seen corresponding path program 1 times [2024-11-08 14:48:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118388964] [2024-11-08 14:48:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:48:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 14:48:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:48:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:11,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:12,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:48:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:12,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:48:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:12,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:12,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:48:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:12,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:12,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118388964] [2024-11-08 14:48:12,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118388964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:12,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:12,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:48:12,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508074140] [2024-11-08 14:48:12,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:12,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:12,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:12,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:12,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:48:12,017 INFO L87 Difference]: Start difference. First operand 568 states and 903 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:14,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:14,711 INFO L93 Difference]: Finished difference Result 1309 states and 2100 transitions. [2024-11-08 14:48:14,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:48:14,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-11-08 14:48:14,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:14,717 INFO L225 Difference]: With dead ends: 1309 [2024-11-08 14:48:14,717 INFO L226 Difference]: Without dead ends: 802 [2024-11-08 14:48:14,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:48:14,720 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 1319 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:14,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1229 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 14:48:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-08 14:48:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 568. [2024-11-08 14:48:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 447 states have (on average 1.5861297539149888) internal successors, (709), 464 states have internal predecessors, (709), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 898 transitions. [2024-11-08 14:48:14,806 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 898 transitions. Word has length 110 [2024-11-08 14:48:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:14,806 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 898 transitions. [2024-11-08 14:48:14,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 898 transitions. [2024-11-08 14:48:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 14:48:14,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:14,809 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:14,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 14:48:14,810 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:14,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1584929962, now seen corresponding path program 1 times [2024-11-08 14:48:14,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:14,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554997932] [2024-11-08 14:48:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 14:48:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:48:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:48:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:48:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:48:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:48:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:15,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:15,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554997932] [2024-11-08 14:48:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554997932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:15,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:15,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:48:15,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38267918] [2024-11-08 14:48:15,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:15,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:15,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:15,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:15,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:48:15,098 INFO L87 Difference]: Start difference. First operand 568 states and 898 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:17,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:17,949 INFO L93 Difference]: Finished difference Result 1291 states and 2069 transitions. [2024-11-08 14:48:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:48:17,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-08 14:48:17,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:17,954 INFO L225 Difference]: With dead ends: 1291 [2024-11-08 14:48:17,954 INFO L226 Difference]: Without dead ends: 799 [2024-11-08 14:48:17,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:17,956 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 1318 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:17,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1165 Invalid, 2608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 14:48:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-11-08 14:48:18,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 576. [2024-11-08 14:48:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 455 states have (on average 1.5736263736263736) internal successors, (716), 472 states have internal predecessors, (716), 94 states have call successors, (94), 25 states have call predecessors, (94), 26 states have return successors, (95), 91 states have call predecessors, (95), 93 states have call successors, (95) [2024-11-08 14:48:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 905 transitions. [2024-11-08 14:48:18,067 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 905 transitions. Word has length 111 [2024-11-08 14:48:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:18,068 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 905 transitions. [2024-11-08 14:48:18,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 905 transitions. [2024-11-08 14:48:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 14:48:18,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:18,071 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:18,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 14:48:18,071 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:18,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:18,072 INFO L85 PathProgramCache]: Analyzing trace with hash 482850102, now seen corresponding path program 1 times [2024-11-08 14:48:18,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:18,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522866453] [2024-11-08 14:48:18,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:18,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 14:48:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 14:48:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:48:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:48:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:48:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:48:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:18,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522866453] [2024-11-08 14:48:18,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522866453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:18,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:18,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 14:48:18,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014149772] [2024-11-08 14:48:18,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:18,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:18,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:18,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:18,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 14:48:18,354 INFO L87 Difference]: Start difference. First operand 576 states and 905 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:21,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:21,282 INFO L93 Difference]: Finished difference Result 1350 states and 2137 transitions. [2024-11-08 14:48:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 14:48:21,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-08 14:48:21,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:21,288 INFO L225 Difference]: With dead ends: 1350 [2024-11-08 14:48:21,288 INFO L226 Difference]: Without dead ends: 771 [2024-11-08 14:48:21,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:48:21,291 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 1274 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 2646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:21,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1173 Invalid, 2646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 14:48:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-08 14:48:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 557. [2024-11-08 14:48:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 439 states have (on average 1.5785876993166288) internal successors, (693), 454 states have internal predecessors, (693), 93 states have call successors, (93), 25 states have call predecessors, (93), 24 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:48:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 878 transitions. [2024-11-08 14:48:21,394 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 878 transitions. Word has length 111 [2024-11-08 14:48:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:21,394 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 878 transitions. [2024-11-08 14:48:21,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 14:48:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 878 transitions. [2024-11-08 14:48:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 14:48:21,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:21,398 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:21,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 14:48:21,398 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:21,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:21,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1396959961, now seen corresponding path program 1 times [2024-11-08 14:48:21,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:21,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113505523] [2024-11-08 14:48:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:21,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:48:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:48:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:48:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:48:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:48:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:48:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:48:21,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:21,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113505523] [2024-11-08 14:48:21,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113505523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:21,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:48:21,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:48:21,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297117499] [2024-11-08 14:48:21,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:21,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:48:21,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:21,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:48:21,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:48:21,750 INFO L87 Difference]: Start difference. First operand 557 states and 878 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:48:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:25,543 INFO L93 Difference]: Finished difference Result 1279 states and 2041 transitions. [2024-11-08 14:48:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 14:48:25,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2024-11-08 14:48:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:25,549 INFO L225 Difference]: With dead ends: 1279 [2024-11-08 14:48:25,549 INFO L226 Difference]: Without dead ends: 786 [2024-11-08 14:48:25,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-08 14:48:25,552 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 1286 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 4679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:25,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 2237 Invalid, 4679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 4299 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 14:48:25,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-08 14:48:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 567. [2024-11-08 14:48:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 449 states have (on average 1.5657015590200445) internal successors, (703), 464 states have internal predecessors, (703), 93 states have call successors, (93), 25 states have call predecessors, (93), 24 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 14:48:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 888 transitions. [2024-11-08 14:48:25,686 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 888 transitions. Word has length 112 [2024-11-08 14:48:25,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:25,686 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 888 transitions. [2024-11-08 14:48:25,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-08 14:48:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 888 transitions. [2024-11-08 14:48:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 14:48:25,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:25,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:25,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 14:48:25,690 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:25,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:25,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1570740619, now seen corresponding path program 1 times [2024-11-08 14:48:25,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120299174] [2024-11-08 14:48:25,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:48:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:48:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:48:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:48:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:48:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 14:48:25,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:25,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120299174] [2024-11-08 14:48:25,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120299174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:25,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218662303] [2024-11-08 14:48:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:25,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:25,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:25,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 14:48:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:26,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:48:26,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 14:48:26,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:26,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218662303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:26,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:26,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-08 14:48:26,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098607824] [2024-11-08 14:48:26,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:26,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:48:26,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:26,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:48:26,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:48:26,323 INFO L87 Difference]: Start difference. First operand 567 states and 888 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:26,595 INFO L93 Difference]: Finished difference Result 1544 states and 2497 transitions. [2024-11-08 14:48:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:48:26,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-11-08 14:48:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:26,601 INFO L225 Difference]: With dead ends: 1544 [2024-11-08 14:48:26,601 INFO L226 Difference]: Without dead ends: 1053 [2024-11-08 14:48:26,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:48:26,604 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 828 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:26,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1633 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:48:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-11-08 14:48:26,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1046. [2024-11-08 14:48:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 822 states have (on average 1.5924574209245743) internal successors, (1309), 850 states have internal predecessors, (1309), 178 states have call successors, (178), 46 states have call predecessors, (178), 45 states have return successors, (188), 175 states have call predecessors, (188), 176 states have call successors, (188) [2024-11-08 14:48:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1675 transitions. [2024-11-08 14:48:26,797 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1675 transitions. Word has length 113 [2024-11-08 14:48:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:26,797 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1675 transitions. [2024-11-08 14:48:26,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1675 transitions. [2024-11-08 14:48:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 14:48:26,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:26,800 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:26,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 14:48:27,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 14:48:27,001 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:27,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:27,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1508701005, now seen corresponding path program 1 times [2024-11-08 14:48:27,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:27,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391441152] [2024-11-08 14:48:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:48:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:48:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:48:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:48:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:48:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 14:48:27,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:27,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391441152] [2024-11-08 14:48:27,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391441152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:27,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294401934] [2024-11-08 14:48:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:27,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:27,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:27,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:27,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 14:48:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:27,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 14:48:27,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 14:48:27,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:27,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294401934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:27,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:27,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-08 14:48:27,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786165318] [2024-11-08 14:48:27,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:27,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:48:27,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:48:27,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:27,734 INFO L87 Difference]: Start difference. First operand 1046 states and 1675 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:28,339 INFO L93 Difference]: Finished difference Result 2032 states and 3335 transitions. [2024-11-08 14:48:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 14:48:28,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-11-08 14:48:28,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:28,346 INFO L225 Difference]: With dead ends: 2032 [2024-11-08 14:48:28,346 INFO L226 Difference]: Without dead ends: 1062 [2024-11-08 14:48:28,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:48:28,351 INFO L432 NwaCegarLoop]: 814 mSDtfsCounter, 798 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:28,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2078 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 14:48:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-08 14:48:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1062. [2024-11-08 14:48:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 836 states have (on average 1.5944976076555024) internal successors, (1333), 864 states have internal predecessors, (1333), 178 states have call successors, (178), 48 states have call predecessors, (178), 47 states have return successors, (190), 175 states have call predecessors, (190), 176 states have call successors, (190) [2024-11-08 14:48:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1701 transitions. [2024-11-08 14:48:28,523 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1701 transitions. Word has length 113 [2024-11-08 14:48:28,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:28,523 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1701 transitions. [2024-11-08 14:48:28,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:28,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1701 transitions. [2024-11-08 14:48:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 14:48:28,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:28,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:28,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 14:48:28,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 14:48:28,727 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 634660036, now seen corresponding path program 1 times [2024-11-08 14:48:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484269641] [2024-11-08 14:48:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:28,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 14:48:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:48:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:48:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 14:48:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 14:48:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 14:48:29,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:29,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484269641] [2024-11-08 14:48:29,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484269641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:29,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179761635] [2024-11-08 14:48:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:29,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:29,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:29,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:29,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 14:48:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:29,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 14:48:29,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 14:48:29,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:29,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179761635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:29,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:29,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-08 14:48:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332575793] [2024-11-08 14:48:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:29,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:48:29,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:29,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:48:29,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:29,437 INFO L87 Difference]: Start difference. First operand 1062 states and 1701 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:30,013 INFO L93 Difference]: Finished difference Result 2064 states and 3381 transitions. [2024-11-08 14:48:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 14:48:30,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-11-08 14:48:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:30,020 INFO L225 Difference]: With dead ends: 2064 [2024-11-08 14:48:30,020 INFO L226 Difference]: Without dead ends: 1078 [2024-11-08 14:48:30,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:48:30,026 INFO L432 NwaCegarLoop]: 811 mSDtfsCounter, 785 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:30,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 2075 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 14:48:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-11-08 14:48:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2024-11-08 14:48:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 850 states have (on average 1.596470588235294) internal successors, (1357), 878 states have internal predecessors, (1357), 178 states have call successors, (178), 50 states have call predecessors, (178), 49 states have return successors, (192), 175 states have call predecessors, (192), 176 states have call successors, (192) [2024-11-08 14:48:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1727 transitions. [2024-11-08 14:48:30,278 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1727 transitions. Word has length 116 [2024-11-08 14:48:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:30,278 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1727 transitions. [2024-11-08 14:48:30,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1727 transitions. [2024-11-08 14:48:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 14:48:30,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:30,281 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:30,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 14:48:30,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:30,483 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:30,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:30,483 INFO L85 PathProgramCache]: Analyzing trace with hash -198476695, now seen corresponding path program 1 times [2024-11-08 14:48:30,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:30,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657626856] [2024-11-08 14:48:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 14:48:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:48:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:48:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:48:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:48:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 14:48:30,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:30,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657626856] [2024-11-08 14:48:30,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657626856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:30,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275859992] [2024-11-08 14:48:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:30,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:30,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:30,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 14:48:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:31,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 14:48:31,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 14:48:31,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:31,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275859992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:31,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:31,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-08 14:48:31,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308204679] [2024-11-08 14:48:31,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:31,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:48:31,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:31,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:48:31,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:31,248 INFO L87 Difference]: Start difference. First operand 1078 states and 1727 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:31,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:31,800 INFO L93 Difference]: Finished difference Result 2096 states and 3427 transitions. [2024-11-08 14:48:31,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 14:48:31,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-08 14:48:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:31,807 INFO L225 Difference]: With dead ends: 2096 [2024-11-08 14:48:31,807 INFO L226 Difference]: Without dead ends: 1094 [2024-11-08 14:48:31,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:48:31,814 INFO L432 NwaCegarLoop]: 808 mSDtfsCounter, 773 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:31,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 2072 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 14:48:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-08 14:48:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2024-11-08 14:48:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 864 states have (on average 1.5983796296296295) internal successors, (1381), 892 states have internal predecessors, (1381), 178 states have call successors, (178), 52 states have call predecessors, (178), 51 states have return successors, (194), 175 states have call predecessors, (194), 176 states have call successors, (194) [2024-11-08 14:48:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1753 transitions. [2024-11-08 14:48:32,055 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1753 transitions. Word has length 119 [2024-11-08 14:48:32,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:32,055 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1753 transitions. [2024-11-08 14:48:32,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1753 transitions. [2024-11-08 14:48:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 14:48:32,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:32,058 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:32,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 14:48:32,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:32,259 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:32,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1638157160, now seen corresponding path program 1 times [2024-11-08 14:48:32,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733013256] [2024-11-08 14:48:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 14:48:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 14:48:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:48:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:48:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 14:48:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 14:48:32,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:32,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733013256] [2024-11-08 14:48:32,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733013256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:32,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088882289] [2024-11-08 14:48:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:32,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:32,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:32,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 14:48:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:32,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 14:48:32,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 14:48:32,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:32,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088882289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:32,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:32,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-08 14:48:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484594089] [2024-11-08 14:48:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:32,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:48:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:48:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 14:48:32,934 INFO L87 Difference]: Start difference. First operand 1094 states and 1753 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:33,473 INFO L93 Difference]: Finished difference Result 2128 states and 3473 transitions. [2024-11-08 14:48:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 14:48:33,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-08 14:48:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:33,478 INFO L225 Difference]: With dead ends: 2128 [2024-11-08 14:48:33,478 INFO L226 Difference]: Without dead ends: 1110 [2024-11-08 14:48:33,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:48:33,483 INFO L432 NwaCegarLoop]: 805 mSDtfsCounter, 780 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:33,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 2069 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 14:48:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-08 14:48:33,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2024-11-08 14:48:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 878 states have (on average 1.6002277904328017) internal successors, (1405), 906 states have internal predecessors, (1405), 178 states have call successors, (178), 54 states have call predecessors, (178), 53 states have return successors, (196), 175 states have call predecessors, (196), 176 states have call successors, (196) [2024-11-08 14:48:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1779 transitions. [2024-11-08 14:48:33,693 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1779 transitions. Word has length 122 [2024-11-08 14:48:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:48:33,693 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1779 transitions. [2024-11-08 14:48:33,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 14:48:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1779 transitions. [2024-11-08 14:48:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 14:48:33,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:48:33,695 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:48:33,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 14:48:33,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:33,896 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:48:33,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:48:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash 133963653, now seen corresponding path program 1 times [2024-11-08 14:48:33,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:48:33,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100103796] [2024-11-08 14:48:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:33,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:48:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 14:48:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:48:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 14:48:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:48:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 14:48:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:48:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:48:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:48:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 14:48:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:48:34,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:48:34,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100103796] [2024-11-08 14:48:34,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100103796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:48:34,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744599959] [2024-11-08 14:48:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:48:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:48:34,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:48:34,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:48:34,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 14:48:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:48:34,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 14:48:34,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:48:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 14:48:34,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:48:34,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744599959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:48:34,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:48:34,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-08 14:48:34,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718421178] [2024-11-08 14:48:34,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:48:34,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 14:48:34,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:48:34,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 14:48:34,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-08 14:48:34,923 INFO L87 Difference]: Start difference. First operand 1110 states and 1779 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 14:48:35,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:48:35,618 INFO L93 Difference]: Finished difference Result 2154 states and 3489 transitions. [2024-11-08 14:48:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 14:48:35,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 125 [2024-11-08 14:48:35,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:48:35,627 INFO L225 Difference]: With dead ends: 2154 [2024-11-08 14:48:35,627 INFO L226 Difference]: Without dead ends: 1120 [2024-11-08 14:48:35,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-08 14:48:35,634 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 745 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:48:35,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 3629 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 14:48:35,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states.