./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'd9a9e332bba43f0e6d965514fc764881b170e0a0500d860d4fcce12986d98914'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 d9a9e332bba43f0e6d965514fc764881b170e0a0500d860d4fcce12986d98914 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:17:32,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:17:32,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:17:32,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:17:32,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:17:32,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:17:32,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:17:32,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:17:32,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:17:32,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:17:32,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:17:32,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:17:32,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:17:32,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:17:32,403 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:17:32,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:17:32,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:17:32,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:17:32,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:17:32,405 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> d9a9e332bba43f0e6d965514fc764881b170e0a0500d860d4fcce12986d98914 [2024-11-06 23:17:32,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:17:32,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:17:32,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:17:32,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:17:32,634 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:17:32,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c [2024-11-06 23:17:33,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:17:33,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:17:33,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c [2024-11-06 23:17:33,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/39e4e08a1/f9a1aa6e3a36427caeca3972b4215de3/FLAG2d927484b [2024-11-06 23:17:34,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/39e4e08a1/f9a1aa6e3a36427caeca3972b4215de3 [2024-11-06 23:17:34,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:17:34,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:17:34,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:17:34,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:17:34,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:17:34,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422c24e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34, skipping insertion in model container [2024-11-06 23:17:34,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:17:34,612 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c[71679,71692] [2024-11-06 23:17:34,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:17:34,623 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:17:34,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [408] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [422] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [467] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2112] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2773] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3139] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3174] [2024-11-06 23:17:34,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3292] [2024-11-06 23:17:34,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3383] [2024-11-06 23:17:34,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c[71679,71692] [2024-11-06 23:17:34,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:17:34,767 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:17:34,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34 WrapperNode [2024-11-06 23:17:34,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:17:34,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:17:34,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:17:34,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:17:34,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,832 INFO L138 Inliner]: procedures = 95, calls = 346, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 862 [2024-11-06 23:17:34,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:17:34,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:17:34,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:17:34,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:17:34,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,873 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]. [2024-11-06 23:17:34,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:17:34,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:17:34,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:17:34,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:17:34,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (1/1) ... [2024-11-06 23:17:34,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:17:34,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:17:34,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 23:17:34,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 23:17:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-06 23:17:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-06 23:17:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-06 23:17:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-06 23:17:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-06 23:17:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-06 23:17:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-06 23:17:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-06 23:17:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-06 23:17:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-06 23:17:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-06 23:17:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-06 23:17:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2024-11-06 23:17:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2024-11-06 23:17:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:17:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:17:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-06 23:17:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-06 23:17:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2024-11-06 23:17:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2024-11-06 23:17:35,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:17:35,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:17:35,984 INFO L? ?]: Removed 463 outVars from TransFormulas that were not future-live. [2024-11-06 23:17:35,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:17:36,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:17:36,007 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:17:36,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:17:36 BoogieIcfgContainer [2024-11-06 23:17:36,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:17:36,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:17:36,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:17:36,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:17:36,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:17:34" (1/3) ... [2024-11-06 23:17:36,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448575fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:17:36, skipping insertion in model container [2024-11-06 23:17:36,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:17:34" (2/3) ... [2024-11-06 23:17:36,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448575fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:17:36, skipping insertion in model container [2024-11-06 23:17:36,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:17:36" (3/3) ... [2024-11-06 23:17:36,013 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2024-11-06 23:17:36,022 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:17:36,022 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:17:36,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:17:36,086 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;@ecaf709, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:17:36,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:17:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 572 states, 440 states have (on average 1.6590909090909092) internal successors, (730), 458 states have internal predecessors, (730), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 23:17:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-06 23:17:36,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:36,101 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:36,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:36,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:36,104 INFO L85 PathProgramCache]: Analyzing trace with hash -404467648, now seen corresponding path program 1 times [2024-11-06 23:17:36,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:36,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134119175] [2024-11-06 23:17:36,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-06 23:17:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:17:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-06 23:17:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-06 23:17:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:36,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:36,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134119175] [2024-11-06 23:17:36,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134119175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:36,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:36,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:36,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382911727] [2024-11-06 23:17:36,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:36,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:36,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:36,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:36,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:36,717 INFO L87 Difference]: Start difference. First operand has 572 states, 440 states have (on average 1.6590909090909092) internal successors, (730), 458 states have internal predecessors, (730), 103 states have call successors, (103), 27 states have call predecessors, (103), 27 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:39,288 INFO L93 Difference]: Finished difference Result 1260 states and 2089 transitions. [2024-11-06 23:17:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:17:39,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2024-11-06 23:17:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:39,301 INFO L225 Difference]: With dead ends: 1260 [2024-11-06 23:17:39,301 INFO L226 Difference]: Without dead ends: 688 [2024-11-06 23:17:39,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:17:39,311 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 672 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:39,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 1571 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-06 23:17:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-06 23:17:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 567. [2024-11-06 23:17:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 436 states have (on average 1.6490825688073394) internal successors, (719), 453 states have internal predecessors, (719), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 924 transitions. [2024-11-06 23:17:39,444 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 924 transitions. Word has length 63 [2024-11-06 23:17:39,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:39,446 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 924 transitions. [2024-11-06 23:17:39,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 924 transitions. [2024-11-06 23:17:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-06 23:17:39,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:39,449 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:39,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-06 23:17:39,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:39,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash -195549372, now seen corresponding path program 1 times [2024-11-06 23:17:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:39,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594145607] [2024-11-06 23:17:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:39,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:17:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:17:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:17:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-06 23:17:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:17:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:39,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:39,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594145607] [2024-11-06 23:17:39,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594145607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:39,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:39,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:39,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461631879] [2024-11-06 23:17:39,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:39,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:39,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:39,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:39,713 INFO L87 Difference]: Start difference. First operand 567 states and 924 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:41,849 INFO L93 Difference]: Finished difference Result 1238 states and 2033 transitions. [2024-11-06 23:17:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:17:41,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 64 [2024-11-06 23:17:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:41,855 INFO L225 Difference]: With dead ends: 1238 [2024-11-06 23:17:41,856 INFO L226 Difference]: Without dead ends: 688 [2024-11-06 23:17:41,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:17:41,859 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 665 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:41,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1528 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1730 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:17:41,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-06 23:17:41,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 567. [2024-11-06 23:17:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 436 states have (on average 1.646788990825688) internal successors, (718), 453 states have internal predecessors, (718), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 923 transitions. [2024-11-06 23:17:41,911 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 923 transitions. Word has length 64 [2024-11-06 23:17:41,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:41,911 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 923 transitions. [2024-11-06 23:17:41,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 923 transitions. [2024-11-06 23:17:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-06 23:17:41,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:41,913 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:41,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-06 23:17:41,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:41,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:41,914 INFO L85 PathProgramCache]: Analyzing trace with hash 767662652, now seen corresponding path program 1 times [2024-11-06 23:17:41,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:41,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834121415] [2024-11-06 23:17:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:41,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-06 23:17:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:17:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:17:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-06 23:17:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:17:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:42,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:42,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834121415] [2024-11-06 23:17:42,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834121415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:42,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:42,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:42,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461521669] [2024-11-06 23:17:42,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:42,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:42,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:42,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:42,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:42,154 INFO L87 Difference]: Start difference. First operand 567 states and 923 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:43,920 INFO L93 Difference]: Finished difference Result 1238 states and 2032 transitions. [2024-11-06 23:17:43,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:17:43,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-06 23:17:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:43,924 INFO L225 Difference]: With dead ends: 1238 [2024-11-06 23:17:43,924 INFO L226 Difference]: Without dead ends: 688 [2024-11-06 23:17:43,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:17:43,926 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 663 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:43,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 1528 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-06 23:17:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 567. [2024-11-06 23:17:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 436 states have (on average 1.6444954128440368) internal successors, (717), 453 states have internal predecessors, (717), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 922 transitions. [2024-11-06 23:17:43,967 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 922 transitions. Word has length 65 [2024-11-06 23:17:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:43,968 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 922 transitions. [2024-11-06 23:17:43,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 922 transitions. [2024-11-06 23:17:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-06 23:17:43,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:43,969 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:43,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-06 23:17:43,969 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:43,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:43,970 INFO L85 PathProgramCache]: Analyzing trace with hash -655822912, now seen corresponding path program 1 times [2024-11-06 23:17:43,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:43,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492141379] [2024-11-06 23:17:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-06 23:17:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:17:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:17:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-06 23:17:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:17:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:44,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:44,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492141379] [2024-11-06 23:17:44,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492141379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:44,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:44,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:44,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557908104] [2024-11-06 23:17:44,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:44,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:44,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:44,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:44,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:44,185 INFO L87 Difference]: Start difference. First operand 567 states and 922 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:45,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:45,960 INFO L93 Difference]: Finished difference Result 1238 states and 2031 transitions. [2024-11-06 23:17:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:17:45,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2024-11-06 23:17:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:45,964 INFO L225 Difference]: With dead ends: 1238 [2024-11-06 23:17:45,964 INFO L226 Difference]: Without dead ends: 688 [2024-11-06 23:17:45,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:17:45,966 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 661 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:45,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1528 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:45,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-06 23:17:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 567. [2024-11-06 23:17:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 436 states have (on average 1.6422018348623852) internal successors, (716), 453 states have internal predecessors, (716), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 921 transitions. [2024-11-06 23:17:46,005 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 921 transitions. Word has length 66 [2024-11-06 23:17:46,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:46,006 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 921 transitions. [2024-11-06 23:17:46,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 921 transitions. [2024-11-06 23:17:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-06 23:17:46,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:46,008 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:46,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-06 23:17:46,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:46,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:46,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1242477624, now seen corresponding path program 1 times [2024-11-06 23:17:46,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:46,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823555346] [2024-11-06 23:17:46,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-06 23:17:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:17:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:17:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:17:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:17:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:46,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:46,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823555346] [2024-11-06 23:17:46,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823555346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:46,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:46,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:46,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595699796] [2024-11-06 23:17:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:46,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:46,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:46,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:46,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:46,189 INFO L87 Difference]: Start difference. First operand 567 states and 921 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:48,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:48,096 INFO L93 Difference]: Finished difference Result 1238 states and 2030 transitions. [2024-11-06 23:17:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:17:48,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2024-11-06 23:17:48,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:48,101 INFO L225 Difference]: With dead ends: 1238 [2024-11-06 23:17:48,101 INFO L226 Difference]: Without dead ends: 688 [2024-11-06 23:17:48,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:17:48,104 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 659 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:48,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1528 Invalid, 1834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:17:48,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-06 23:17:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 567. [2024-11-06 23:17:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 436 states have (on average 1.639908256880734) internal successors, (715), 453 states have internal predecessors, (715), 103 states have call successors, (103), 28 states have call predecessors, (103), 27 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 920 transitions. [2024-11-06 23:17:48,155 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 920 transitions. Word has length 67 [2024-11-06 23:17:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:48,157 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 920 transitions. [2024-11-06 23:17:48,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 920 transitions. [2024-11-06 23:17:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-06 23:17:48,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:48,159 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:48,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-06 23:17:48,159 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:48,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:48,161 INFO L85 PathProgramCache]: Analyzing trace with hash -488865125, now seen corresponding path program 1 times [2024-11-06 23:17:48,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910133964] [2024-11-06 23:17:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-06 23:17:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-06 23:17:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-06 23:17:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:17:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910133964] [2024-11-06 23:17:48,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910133964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:48,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:48,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:48,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395994058] [2024-11-06 23:17:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:48,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:48,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:48,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:48,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:48,345 INFO L87 Difference]: Start difference. First operand 567 states and 920 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:50,220 INFO L93 Difference]: Finished difference Result 1278 states and 2094 transitions. [2024-11-06 23:17:50,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:17:50,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2024-11-06 23:17:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:50,223 INFO L225 Difference]: With dead ends: 1278 [2024-11-06 23:17:50,223 INFO L226 Difference]: Without dead ends: 732 [2024-11-06 23:17:50,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:17:50,225 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 732 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:50,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 1507 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1913 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-06 23:17:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 587. [2024-11-06 23:17:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 455 states have (on average 1.6351648351648351) internal successors, (744), 472 states have internal predecessors, (744), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 949 transitions. [2024-11-06 23:17:50,271 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 949 transitions. Word has length 68 [2024-11-06 23:17:50,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:50,271 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 949 transitions. [2024-11-06 23:17:50,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 949 transitions. [2024-11-06 23:17:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-06 23:17:50,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:50,273 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:50,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:17:50,273 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1675829378, now seen corresponding path program 1 times [2024-11-06 23:17:50,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:50,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993614232] [2024-11-06 23:17:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-06 23:17:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-06 23:17:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-06 23:17:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:17:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:50,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:50,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993614232] [2024-11-06 23:17:50,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993614232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:50,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:50,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:50,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897485134] [2024-11-06 23:17:50,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:50,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:50,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:50,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:50,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:50,453 INFO L87 Difference]: Start difference. First operand 587 states and 949 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:52,132 INFO L93 Difference]: Finished difference Result 1262 states and 2045 transitions. [2024-11-06 23:17:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:17:52,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2024-11-06 23:17:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:52,139 INFO L225 Difference]: With dead ends: 1262 [2024-11-06 23:17:52,139 INFO L226 Difference]: Without dead ends: 732 [2024-11-06 23:17:52,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:17:52,141 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 720 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:52,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 1514 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-06 23:17:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 587. [2024-11-06 23:17:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 455 states have (on average 1.6241758241758242) internal successors, (739), 472 states have internal predecessors, (739), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 944 transitions. [2024-11-06 23:17:52,198 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 944 transitions. Word has length 69 [2024-11-06 23:17:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:52,198 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 944 transitions. [2024-11-06 23:17:52,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 944 transitions. [2024-11-06 23:17:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-06 23:17:52,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:52,199 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:52,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:17:52,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:52,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash 269216640, now seen corresponding path program 1 times [2024-11-06 23:17:52,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768964676] [2024-11-06 23:17:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:17:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-06 23:17:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-06 23:17:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:17:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:52,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768964676] [2024-11-06 23:17:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768964676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:52,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:52,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:52,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489500603] [2024-11-06 23:17:52,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:52,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:52,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:52,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:52,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:52,366 INFO L87 Difference]: Start difference. First operand 587 states and 944 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:54,052 INFO L93 Difference]: Finished difference Result 1262 states and 2040 transitions. [2024-11-06 23:17:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:17:54,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2024-11-06 23:17:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:54,055 INFO L225 Difference]: With dead ends: 1262 [2024-11-06 23:17:54,055 INFO L226 Difference]: Without dead ends: 732 [2024-11-06 23:17:54,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:17:54,057 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 719 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:54,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1511 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-06 23:17:54,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 587. [2024-11-06 23:17:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 455 states have (on average 1.6131868131868132) internal successors, (734), 472 states have internal predecessors, (734), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 939 transitions. [2024-11-06 23:17:54,098 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 939 transitions. Word has length 70 [2024-11-06 23:17:54,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:54,098 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 939 transitions. [2024-11-06 23:17:54,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 939 transitions. [2024-11-06 23:17:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-06 23:17:54,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:54,099 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:54,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:17:54,100 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:54,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1837904548, now seen corresponding path program 1 times [2024-11-06 23:17:54,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:54,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359459430] [2024-11-06 23:17:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:17:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-06 23:17:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:17:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:17:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:54,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:54,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359459430] [2024-11-06 23:17:54,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359459430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:54,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215233262] [2024-11-06 23:17:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:54,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:54,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:54,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:54,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:54,277 INFO L87 Difference]: Start difference. First operand 587 states and 939 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:55,983 INFO L93 Difference]: Finished difference Result 1247 states and 2015 transitions. [2024-11-06 23:17:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:17:55,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-06 23:17:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:55,987 INFO L225 Difference]: With dead ends: 1247 [2024-11-06 23:17:55,987 INFO L226 Difference]: Without dead ends: 723 [2024-11-06 23:17:55,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:17:55,989 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 706 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:55,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1501 Invalid, 1908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:17:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-06 23:17:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 591. [2024-11-06 23:17:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 459 states have (on average 1.607843137254902) internal successors, (738), 476 states have internal predecessors, (738), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 943 transitions. [2024-11-06 23:17:56,025 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 943 transitions. Word has length 71 [2024-11-06 23:17:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:56,025 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 943 transitions. [2024-11-06 23:17:56,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 943 transitions. [2024-11-06 23:17:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-06 23:17:56,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:56,026 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:56,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:17:56,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:56,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 522333251, now seen corresponding path program 1 times [2024-11-06 23:17:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851311417] [2024-11-06 23:17:56,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:17:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-06 23:17:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:17:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:17:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:56,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:56,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851311417] [2024-11-06 23:17:56,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851311417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:56,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:56,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:17:56,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840353377] [2024-11-06 23:17:56,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:56,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:17:56,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:17:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:17:56,209 INFO L87 Difference]: Start difference. First operand 591 states and 943 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:17:57,888 INFO L93 Difference]: Finished difference Result 1272 states and 2043 transitions. [2024-11-06 23:17:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:17:57,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-06 23:17:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:17:57,892 INFO L225 Difference]: With dead ends: 1272 [2024-11-06 23:17:57,892 INFO L226 Difference]: Without dead ends: 738 [2024-11-06 23:17:57,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:17:57,893 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 717 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:17:57,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1511 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1857 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:17:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-06 23:17:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 591. [2024-11-06 23:17:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 459 states have (on average 1.5969498910675382) internal successors, (733), 476 states have internal predecessors, (733), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:17:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 938 transitions. [2024-11-06 23:17:57,930 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 938 transitions. Word has length 71 [2024-11-06 23:17:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:17:57,930 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 938 transitions. [2024-11-06 23:17:57,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:17:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 938 transitions. [2024-11-06 23:17:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-06 23:17:57,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:17:57,931 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:17:57,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-06 23:17:57,931 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:17:57,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:17:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2034550238, now seen corresponding path program 1 times [2024-11-06 23:17:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:17:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40204228] [2024-11-06 23:17:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:17:57,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:17:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:17:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:17:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:17:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-06 23:17:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:17:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:17:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:17:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:17:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:17:58,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:17:58,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40204228] [2024-11-06 23:17:58,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40204228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:17:58,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:17:58,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:17:58,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153453891] [2024-11-06 23:17:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:17:58,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:17:58,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:17:58,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:17:58,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:17:58,130 INFO L87 Difference]: Start difference. First operand 591 states and 938 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:00,518 INFO L93 Difference]: Finished difference Result 1266 states and 2031 transitions. [2024-11-06 23:18:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:18:00,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-06 23:18:00,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:00,522 INFO L225 Difference]: With dead ends: 1266 [2024-11-06 23:18:00,522 INFO L226 Difference]: Without dead ends: 740 [2024-11-06 23:18:00,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:00,523 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 704 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 3511 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 2921 SdHoareTripleChecker+Invalid, 3620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:00,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2921 Invalid, 3620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3511 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:18:00,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-06 23:18:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 597. [2024-11-06 23:18:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 465 states have (on average 1.589247311827957) internal successors, (739), 482 states have internal predecessors, (739), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 944 transitions. [2024-11-06 23:18:00,569 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 944 transitions. Word has length 72 [2024-11-06 23:18:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:00,570 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 944 transitions. [2024-11-06 23:18:00,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 944 transitions. [2024-11-06 23:18:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-06 23:18:00,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:00,571 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:00,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-06 23:18:00,571 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:00,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash -134754203, now seen corresponding path program 1 times [2024-11-06 23:18:00,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264466995] [2024-11-06 23:18:00,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:18:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-06 23:18:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:18:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:18:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:00,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:00,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264466995] [2024-11-06 23:18:00,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264466995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:00,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:00,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:18:00,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663908052] [2024-11-06 23:18:00,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:00,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:00,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:00,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:00,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:18:00,742 INFO L87 Difference]: Start difference. First operand 597 states and 944 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:02,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:02,392 INFO L93 Difference]: Finished difference Result 1287 states and 2051 transitions. [2024-11-06 23:18:02,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:02,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-06 23:18:02,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:02,396 INFO L225 Difference]: With dead ends: 1287 [2024-11-06 23:18:02,396 INFO L226 Difference]: Without dead ends: 747 [2024-11-06 23:18:02,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:18:02,398 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 715 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:02,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 1511 Invalid, 1947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:18:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-06 23:18:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 597. [2024-11-06 23:18:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 465 states have (on average 1.578494623655914) internal successors, (734), 482 states have internal predecessors, (734), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 939 transitions. [2024-11-06 23:18:02,445 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 939 transitions. Word has length 72 [2024-11-06 23:18:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:02,445 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 939 transitions. [2024-11-06 23:18:02,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 939 transitions. [2024-11-06 23:18:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-06 23:18:02,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:02,447 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:02,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:18:02,447 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:02,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:02,447 INFO L85 PathProgramCache]: Analyzing trace with hash 229919785, now seen corresponding path program 1 times [2024-11-06 23:18:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:02,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789539532] [2024-11-06 23:18:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:18:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:18:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:18:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:02,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789539532] [2024-11-06 23:18:02,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789539532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:02,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:02,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:18:02,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805013987] [2024-11-06 23:18:02,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:02,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:18:02,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:02,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:18:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:18:02,635 INFO L87 Difference]: Start difference. First operand 597 states and 939 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:05,026 INFO L93 Difference]: Finished difference Result 1281 states and 2040 transitions. [2024-11-06 23:18:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:18:05,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-06 23:18:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:05,031 INFO L225 Difference]: With dead ends: 1281 [2024-11-06 23:18:05,031 INFO L226 Difference]: Without dead ends: 752 [2024-11-06 23:18:05,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:05,033 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 699 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 3499 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 3609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 3499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:05,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 2905 Invalid, 3609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 3499 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:18:05,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-06 23:18:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 605. [2024-11-06 23:18:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 473 states have (on average 1.5687103594080338) internal successors, (742), 490 states have internal predecessors, (742), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 947 transitions. [2024-11-06 23:18:05,070 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 947 transitions. Word has length 73 [2024-11-06 23:18:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:05,070 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 947 transitions. [2024-11-06 23:18:05,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 947 transitions. [2024-11-06 23:18:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-06 23:18:05,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:05,071 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:05,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:18:05,071 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:05,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:05,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1056603400, now seen corresponding path program 1 times [2024-11-06 23:18:05,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:05,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141342216] [2024-11-06 23:18:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:05,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:18:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:18:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:18:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:05,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:05,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141342216] [2024-11-06 23:18:05,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141342216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:05,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:05,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:18:05,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434602342] [2024-11-06 23:18:05,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:05,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:05,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:05,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:05,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:18:05,234 INFO L87 Difference]: Start difference. First operand 605 states and 947 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:07,018 INFO L93 Difference]: Finished difference Result 1332 states and 2102 transitions. [2024-11-06 23:18:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:07,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2024-11-06 23:18:07,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:07,022 INFO L225 Difference]: With dead ends: 1332 [2024-11-06 23:18:07,022 INFO L226 Difference]: Without dead ends: 744 [2024-11-06 23:18:07,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:18:07,024 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 659 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:07,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1599 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:18:07,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-06 23:18:07,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 605. [2024-11-06 23:18:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 473 states have (on average 1.5665961945031712) internal successors, (741), 490 states have internal predecessors, (741), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 946 transitions. [2024-11-06 23:18:07,074 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 946 transitions. Word has length 73 [2024-11-06 23:18:07,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:07,074 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 946 transitions. [2024-11-06 23:18:07,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 946 transitions. [2024-11-06 23:18:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-06 23:18:07,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:07,075 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:07,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:18:07,075 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:07,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:07,075 INFO L85 PathProgramCache]: Analyzing trace with hash 426144775, now seen corresponding path program 1 times [2024-11-06 23:18:07,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:07,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086887819] [2024-11-06 23:18:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:07,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:18:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:18:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:18:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:07,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086887819] [2024-11-06 23:18:07,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086887819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:07,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:07,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:18:07,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210886462] [2024-11-06 23:18:07,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:07,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:18:07,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:07,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:18:07,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:18:07,292 INFO L87 Difference]: Start difference. First operand 605 states and 946 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:09,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:09,691 INFO L93 Difference]: Finished difference Result 1295 states and 2050 transitions. [2024-11-06 23:18:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-06 23:18:09,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-06 23:18:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:09,695 INFO L225 Difference]: With dead ends: 1295 [2024-11-06 23:18:09,695 INFO L226 Difference]: Without dead ends: 741 [2024-11-06 23:18:09,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:18:09,697 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 716 mSDsluCounter, 2470 mSDsCounter, 0 mSdLazyCounter, 3414 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 3520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:09,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 2982 Invalid, 3520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3414 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:18:09,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-06 23:18:09,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 597. [2024-11-06 23:18:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 465 states have (on average 1.5677419354838709) internal successors, (729), 482 states have internal predecessors, (729), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 934 transitions. [2024-11-06 23:18:09,746 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 934 transitions. Word has length 73 [2024-11-06 23:18:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:09,746 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 934 transitions. [2024-11-06 23:18:09,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 934 transitions. [2024-11-06 23:18:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-06 23:18:09,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:09,747 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:09,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:18:09,748 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:09,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1396149672, now seen corresponding path program 1 times [2024-11-06 23:18:09,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:09,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902001471] [2024-11-06 23:18:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:09,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:18:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:18:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:18:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902001471] [2024-11-06 23:18:09,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902001471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:09,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:09,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:18:09,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269436820] [2024-11-06 23:18:09,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:09,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:18:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:09,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:18:09,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:18:09,944 INFO L87 Difference]: Start difference. First operand 597 states and 934 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:12,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:12,231 INFO L93 Difference]: Finished difference Result 1282 states and 2031 transitions. [2024-11-06 23:18:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:18:12,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-06 23:18:12,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:12,235 INFO L225 Difference]: With dead ends: 1282 [2024-11-06 23:18:12,235 INFO L226 Difference]: Without dead ends: 749 [2024-11-06 23:18:12,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:12,236 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 683 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 3578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:12,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 2848 Invalid, 3578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 3468 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:18:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-06 23:18:12,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 607. [2024-11-06 23:18:12,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 475 states have (on average 1.5557894736842106) internal successors, (739), 492 states have internal predecessors, (739), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 944 transitions. [2024-11-06 23:18:12,273 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 944 transitions. Word has length 74 [2024-11-06 23:18:12,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:12,273 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 944 transitions. [2024-11-06 23:18:12,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 944 transitions. [2024-11-06 23:18:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-06 23:18:12,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:12,274 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:12,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:18:12,274 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:12,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:12,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1230418491, now seen corresponding path program 1 times [2024-11-06 23:18:12,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643979952] [2024-11-06 23:18:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-06 23:18:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:18:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:18:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:12,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643979952] [2024-11-06 23:18:12,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643979952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:12,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:12,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:18:12,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562815777] [2024-11-06 23:18:12,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:12,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:12,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:12,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:18:12,432 INFO L87 Difference]: Start difference. First operand 607 states and 944 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:14,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:14,186 INFO L93 Difference]: Finished difference Result 1302 states and 2046 transitions. [2024-11-06 23:18:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:18:14,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2024-11-06 23:18:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:14,189 INFO L225 Difference]: With dead ends: 1302 [2024-11-06 23:18:14,189 INFO L226 Difference]: Without dead ends: 743 [2024-11-06 23:18:14,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:18:14,191 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 710 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:14,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1496 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:18:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-06 23:18:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 607. [2024-11-06 23:18:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 475 states have (on average 1.5473684210526315) internal successors, (735), 492 states have internal predecessors, (735), 103 states have call successors, (103), 29 states have call predecessors, (103), 28 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-06 23:18:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 940 transitions. [2024-11-06 23:18:14,235 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 940 transitions. Word has length 75 [2024-11-06 23:18:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:14,235 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 940 transitions. [2024-11-06 23:18:14,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 23:18:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 940 transitions. [2024-11-06 23:18:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-06 23:18:14,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:14,236 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 23:18:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:18:14,236 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -697854211, now seen corresponding path program 1 times [2024-11-06 23:18:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:14,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179578229] [2024-11-06 23:18:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-06 23:18:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:18:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:18:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-06 23:18:14,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:14,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179578229] [2024-11-06 23:18:14,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179578229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:14,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:14,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 23:18:14,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975886554] [2024-11-06 23:18:14,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:14,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 23:18:14,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 23:18:14,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 23:18:14,407 INFO L87 Difference]: Start difference. First operand 607 states and 940 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:16,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:16,843 INFO L93 Difference]: Finished difference Result 1893 states and 3030 transitions. [2024-11-06 23:18:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:18:16,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2024-11-06 23:18:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:16,849 INFO L225 Difference]: With dead ends: 1893 [2024-11-06 23:18:16,849 INFO L226 Difference]: Without dead ends: 1362 [2024-11-06 23:18:16,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:18:16,850 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 1922 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:16,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 1088 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-06 23:18:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-06 23:18:16,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1071. [2024-11-06 23:18:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 839 states have (on average 1.5756853396901074) internal successors, (1322), 865 states have internal predecessors, (1322), 182 states have call successors, (182), 51 states have call predecessors, (182), 49 states have return successors, (187), 169 states have call predecessors, (187), 180 states have call successors, (187) [2024-11-06 23:18:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1691 transitions. [2024-11-06 23:18:16,944 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1691 transitions. Word has length 75 [2024-11-06 23:18:16,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:16,944 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1691 transitions. [2024-11-06 23:18:16,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-06 23:18:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1691 transitions. [2024-11-06 23:18:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-06 23:18:16,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:16,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:16,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:18:16,947 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:16,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:16,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1568481168, now seen corresponding path program 1 times [2024-11-06 23:18:16,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:16,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453272224] [2024-11-06 23:18:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:16,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:18:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-06 23:18:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:18:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-06 23:18:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:18:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:18:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:18:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-06 23:18:17,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:17,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453272224] [2024-11-06 23:18:17,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453272224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:17,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434468508] [2024-11-06 23:18:17,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:17,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:17,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:17,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:17,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 23:18:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:17,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 23:18:17,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:18:17,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:17,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434468508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:17,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:17,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2024-11-06 23:18:17,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879717944] [2024-11-06 23:18:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:17,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:17,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:17,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:17,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:18:17,813 INFO L87 Difference]: Start difference. First operand 1071 states and 1691 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:18,246 INFO L93 Difference]: Finished difference Result 2082 states and 3379 transitions. [2024-11-06 23:18:18,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:18,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2024-11-06 23:18:18,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:18,250 INFO L225 Difference]: With dead ends: 2082 [2024-11-06 23:18:18,250 INFO L226 Difference]: Without dead ends: 1087 [2024-11-06 23:18:18,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2024-11-06 23:18:18,253 INFO L432 NwaCegarLoop]: 866 mSDtfsCounter, 841 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:18,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 2194 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 23:18:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-06 23:18:18,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1087. [2024-11-06 23:18:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 853 states have (on average 1.577960140679953) internal successors, (1346), 879 states have internal predecessors, (1346), 182 states have call successors, (182), 53 states have call predecessors, (182), 51 states have return successors, (189), 169 states have call predecessors, (189), 180 states have call successors, (189) [2024-11-06 23:18:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1717 transitions. [2024-11-06 23:18:18,330 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1717 transitions. Word has length 130 [2024-11-06 23:18:18,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:18,330 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1717 transitions. [2024-11-06 23:18:18,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1717 transitions. [2024-11-06 23:18:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-06 23:18:18,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:18,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:18,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 23:18:18,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:18,534 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:18,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:18,534 INFO L85 PathProgramCache]: Analyzing trace with hash -59148651, now seen corresponding path program 1 times [2024-11-06 23:18:18,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:18,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258757084] [2024-11-06 23:18:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-06 23:18:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:18:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-06 23:18:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:18:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:18:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:18:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-06 23:18:19,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:19,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258757084] [2024-11-06 23:18:19,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258757084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:19,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055688648] [2024-11-06 23:18:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:19,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:19,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 23:18:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:19,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:18:19,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-06 23:18:19,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:19,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055688648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:19,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:19,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-06 23:18:19,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41279439] [2024-11-06 23:18:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:19,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:18:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:19,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:18:19,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:18:19,310 INFO L87 Difference]: Start difference. First operand 1087 states and 1717 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 23:18:19,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:19,729 INFO L93 Difference]: Finished difference Result 2725 states and 4326 transitions. [2024-11-06 23:18:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:19,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 132 [2024-11-06 23:18:19,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:19,736 INFO L225 Difference]: With dead ends: 2725 [2024-11-06 23:18:19,736 INFO L226 Difference]: Without dead ends: 1714 [2024-11-06 23:18:19,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-06 23:18:19,739 INFO L432 NwaCegarLoop]: 1141 mSDtfsCounter, 840 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:19,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 4538 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 23:18:19,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-06 23:18:19,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1712. [2024-11-06 23:18:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1339 states have (on average 1.5526512322628827) internal successors, (2079), 1368 states have internal predecessors, (2079), 285 states have call successors, (285), 91 states have call predecessors, (285), 87 states have return successors, (319), 268 states have call predecessors, (319), 281 states have call successors, (319) [2024-11-06 23:18:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2683 transitions. [2024-11-06 23:18:19,880 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2683 transitions. Word has length 132 [2024-11-06 23:18:19,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:19,881 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2683 transitions. [2024-11-06 23:18:19,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 23:18:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2683 transitions. [2024-11-06 23:18:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-06 23:18:19,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:19,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:19,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 23:18:20,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:20,084 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:20,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:20,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2095173715, now seen corresponding path program 1 times [2024-11-06 23:18:20,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:20,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096916141] [2024-11-06 23:18:20,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:20,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-06 23:18:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:18:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-06 23:18:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:18:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:18:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:18:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:18:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:18:20,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096916141] [2024-11-06 23:18:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096916141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:20,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494557035] [2024-11-06 23:18:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:20,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:20,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 23:18:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:20,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 23:18:20,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-06 23:18:20,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:20,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494557035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:20,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:20,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-06 23:18:20,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308758493] [2024-11-06 23:18:20,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:20,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:20,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:20,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:18:20,803 INFO L87 Difference]: Start difference. First operand 1712 states and 2683 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:21,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:21,250 INFO L93 Difference]: Finished difference Result 3380 states and 5454 transitions. [2024-11-06 23:18:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:21,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-06 23:18:21,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:21,266 INFO L225 Difference]: With dead ends: 3380 [2024-11-06 23:18:21,266 INFO L226 Difference]: Without dead ends: 1744 [2024-11-06 23:18:21,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:21,272 INFO L432 NwaCegarLoop]: 863 mSDtfsCounter, 835 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:21,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 2191 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 23:18:21,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-06 23:18:21,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1744. [2024-11-06 23:18:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1367 states have (on average 1.5559619604974397) internal successors, (2127), 1396 states have internal predecessors, (2127), 285 states have call successors, (285), 95 states have call predecessors, (285), 91 states have return successors, (323), 268 states have call predecessors, (323), 281 states have call successors, (323) [2024-11-06 23:18:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2735 transitions. [2024-11-06 23:18:21,423 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2735 transitions. Word has length 133 [2024-11-06 23:18:21,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:21,423 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2735 transitions. [2024-11-06 23:18:21,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2735 transitions. [2024-11-06 23:18:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-06 23:18:21,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:21,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:21,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 23:18:21,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:21,627 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:21,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:21,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1247011412, now seen corresponding path program 1 times [2024-11-06 23:18:21,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:21,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262686933] [2024-11-06 23:18:21,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-06 23:18:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:18:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:21,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-06 23:18:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-06 23:18:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:18:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:18:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:18:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-06 23:18:22,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:22,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262686933] [2024-11-06 23:18:22,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262686933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:22,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796903351] [2024-11-06 23:18:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:22,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:22,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 23:18:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:22,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 23:18:22,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-06 23:18:22,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:22,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796903351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:22,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:22,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-06 23:18:22,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994544739] [2024-11-06 23:18:22,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:22,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:22,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:22,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:22,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:18:22,313 INFO L87 Difference]: Start difference. First operand 1744 states and 2735 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:22,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:22,797 INFO L93 Difference]: Finished difference Result 3444 states and 5546 transitions. [2024-11-06 23:18:22,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:22,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 136 [2024-11-06 23:18:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:22,806 INFO L225 Difference]: With dead ends: 3444 [2024-11-06 23:18:22,807 INFO L226 Difference]: Without dead ends: 1776 [2024-11-06 23:18:22,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:22,813 INFO L432 NwaCegarLoop]: 860 mSDtfsCounter, 829 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:22,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 2188 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 23:18:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-11-06 23:18:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2024-11-06 23:18:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1395 states have (on average 1.5591397849462365) internal successors, (2175), 1424 states have internal predecessors, (2175), 285 states have call successors, (285), 99 states have call predecessors, (285), 95 states have return successors, (327), 268 states have call predecessors, (327), 281 states have call successors, (327) [2024-11-06 23:18:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2787 transitions. [2024-11-06 23:18:22,955 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2787 transitions. Word has length 136 [2024-11-06 23:18:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:22,955 INFO L471 AbstractCegarLoop]: Abstraction has 1776 states and 2787 transitions. [2024-11-06 23:18:22,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2787 transitions. [2024-11-06 23:18:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-06 23:18:22,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:22,957 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:22,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 23:18:23,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-06 23:18:23,158 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:23,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1858603815, now seen corresponding path program 1 times [2024-11-06 23:18:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43022097] [2024-11-06 23:18:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:23,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-06 23:18:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:18:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-06 23:18:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-06 23:18:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:18:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:18:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:18:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:18:23,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:23,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43022097] [2024-11-06 23:18:23,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43022097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:23,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528652876] [2024-11-06 23:18:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:23,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:23,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:23,583 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:23,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 23:18:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:23,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 23:18:23,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:18:23,866 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:23,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528652876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:23,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:23,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-06 23:18:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318161615] [2024-11-06 23:18:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:23,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:18:23,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:23,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:18:23,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:18:23,867 INFO L87 Difference]: Start difference. First operand 1776 states and 2787 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:24,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:24,282 INFO L93 Difference]: Finished difference Result 3508 states and 5638 transitions. [2024-11-06 23:18:24,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:24,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 139 [2024-11-06 23:18:24,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:24,290 INFO L225 Difference]: With dead ends: 3508 [2024-11-06 23:18:24,290 INFO L226 Difference]: Without dead ends: 1808 [2024-11-06 23:18:24,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:18:24,296 INFO L432 NwaCegarLoop]: 857 mSDtfsCounter, 823 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:24,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 2185 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 23:18:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2024-11-06 23:18:24,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1808. [2024-11-06 23:18:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1423 states have (on average 1.5621925509487) internal successors, (2223), 1452 states have internal predecessors, (2223), 285 states have call successors, (285), 103 states have call predecessors, (285), 99 states have return successors, (331), 268 states have call predecessors, (331), 281 states have call successors, (331) [2024-11-06 23:18:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2839 transitions. [2024-11-06 23:18:24,447 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2839 transitions. Word has length 139 [2024-11-06 23:18:24,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:24,447 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2839 transitions. [2024-11-06 23:18:24,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 23:18:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2839 transitions. [2024-11-06 23:18:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-06 23:18:24,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:24,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:24,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 23:18:24,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-06 23:18:24,651 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:24,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash 3167688, now seen corresponding path program 1 times [2024-11-06 23:18:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:24,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423926694] [2024-11-06 23:18:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:24,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:24,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-06 23:18:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:18:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:18:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:18:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-06 23:18:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:18:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:25,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423926694] [2024-11-06 23:18:25,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423926694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:25,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638039821] [2024-11-06 23:18:25,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:25,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:25,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:25,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:25,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 23:18:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:25,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 1459 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 23:18:25,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 23:18:25,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:25,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638039821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:25,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:25,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2024-11-06 23:18:25,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11451309] [2024-11-06 23:18:25,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:25,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:18:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:25,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:18:25,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:18:25,584 INFO L87 Difference]: Start difference. First operand 1808 states and 2839 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-06 23:18:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:26,871 INFO L93 Difference]: Finished difference Result 3635 states and 5725 transitions. [2024-11-06 23:18:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:26,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 142 [2024-11-06 23:18:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:26,878 INFO L225 Difference]: With dead ends: 3635 [2024-11-06 23:18:26,878 INFO L226 Difference]: Without dead ends: 1906 [2024-11-06 23:18:26,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-06 23:18:26,881 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 1491 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:26,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 1115 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:18:26,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2024-11-06 23:18:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1768. [2024-11-06 23:18:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1339 states have (on average 1.5242718446601942) internal successors, (2041), 1388 states have internal predecessors, (2041), 331 states have call successors, (331), 93 states have call predecessors, (331), 97 states have return successors, (377), 312 states have call predecessors, (377), 327 states have call successors, (377) [2024-11-06 23:18:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2749 transitions. [2024-11-06 23:18:27,081 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2749 transitions. Word has length 142 [2024-11-06 23:18:27,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:27,081 INFO L471 AbstractCegarLoop]: Abstraction has 1768 states and 2749 transitions. [2024-11-06 23:18:27,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 6 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-06 23:18:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2749 transitions. [2024-11-06 23:18:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-06 23:18:27,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:27,084 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:27,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 23:18:27,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-06 23:18:27,284 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:27,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash -950772470, now seen corresponding path program 1 times [2024-11-06 23:18:27,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:27,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037564163] [2024-11-06 23:18:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-06 23:18:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:18:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:18:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:18:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-06 23:18:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:18:27,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:27,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037564163] [2024-11-06 23:18:27,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037564163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:27,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820246946] [2024-11-06 23:18:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:27,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:27,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:27,838 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:27,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 23:18:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:28,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-06 23:18:28,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-06 23:18:28,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:28,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820246946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:28,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:28,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2024-11-06 23:18:28,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816102154] [2024-11-06 23:18:28,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:28,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:18:28,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:18:28,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-11-06 23:18:28,190 INFO L87 Difference]: Start difference. First operand 1768 states and 2749 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-06 23:18:31,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:31,369 INFO L93 Difference]: Finished difference Result 7394 states and 11883 transitions. [2024-11-06 23:18:31,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-06 23:18:31,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 142 [2024-11-06 23:18:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:31,397 INFO L225 Difference]: With dead ends: 7394 [2024-11-06 23:18:31,397 INFO L226 Difference]: Without dead ends: 5704 [2024-11-06 23:18:31,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2024-11-06 23:18:31,403 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 2741 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 6094 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 6804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 6094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:31,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 2256 Invalid, 6804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [710 Valid, 6094 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 23:18:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5704 states. [2024-11-06 23:18:32,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5704 to 5288. [2024-11-06 23:18:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5288 states, 3961 states have (on average 1.5319363797020955) internal successors, (6068), 4115 states have internal predecessors, (6068), 1016 states have call successors, (1016), 261 states have call predecessors, (1016), 310 states have return successors, (1360), 988 states have call predecessors, (1360), 1008 states have call successors, (1360) [2024-11-06 23:18:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 8444 transitions. [2024-11-06 23:18:32,050 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 8444 transitions. Word has length 142 [2024-11-06 23:18:32,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:32,051 INFO L471 AbstractCegarLoop]: Abstraction has 5288 states and 8444 transitions. [2024-11-06 23:18:32,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (17), 4 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-06 23:18:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 8444 transitions. [2024-11-06 23:18:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-06 23:18:32,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:32,053 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:32,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 23:18:32,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:32,253 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:32,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2122579123, now seen corresponding path program 1 times [2024-11-06 23:18:32,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157337256] [2024-11-06 23:18:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-06 23:18:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:18:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-06 23:18:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:18:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:18:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:18:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-06 23:18:32,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:32,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157337256] [2024-11-06 23:18:32,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157337256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:32,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:32,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:18:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35936977] [2024-11-06 23:18:32,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:32,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:18:32,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:18:32,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:18:32,704 INFO L87 Difference]: Start difference. First operand 5288 states and 8444 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-06 23:18:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:44,590 INFO L93 Difference]: Finished difference Result 24972 states and 41683 transitions. [2024-11-06 23:18:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-06 23:18:44,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 147 [2024-11-06 23:18:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:44,665 INFO L225 Difference]: With dead ends: 24972 [2024-11-06 23:18:44,665 INFO L226 Difference]: Without dead ends: 19766 [2024-11-06 23:18:44,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=251, Invalid=619, Unknown=0, NotChecked=0, Total=870 [2024-11-06 23:18:44,691 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 6156 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 2417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6222 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 7499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2417 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:44,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6222 Valid, 1980 Invalid, 7499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2417 Valid, 5082 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-06 23:18:44,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19766 states. [2024-11-06 23:18:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19766 to 5352. [2024-11-06 23:18:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5352 states, 4007 states have (on average 1.5285749937609183) internal successors, (6125), 4159 states have internal predecessors, (6125), 1031 states have call successors, (1031), 261 states have call predecessors, (1031), 313 states have return successors, (1364), 1003 states have call predecessors, (1364), 1023 states have call successors, (1364) [2024-11-06 23:18:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 8520 transitions. [2024-11-06 23:18:46,018 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 8520 transitions. Word has length 147 [2024-11-06 23:18:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:46,018 INFO L471 AbstractCegarLoop]: Abstraction has 5352 states and 8520 transitions. [2024-11-06 23:18:46,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-06 23:18:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 8520 transitions. [2024-11-06 23:18:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-06 23:18:46,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:46,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:46,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-06 23:18:46,021 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:46,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:46,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1463047601, now seen corresponding path program 1 times [2024-11-06 23:18:46,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002705750] [2024-11-06 23:18:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-06 23:18:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:18:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-06 23:18:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:18:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:18:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:18:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:18:46,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:46,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002705750] [2024-11-06 23:18:46,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002705750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:46,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282126844] [2024-11-06 23:18:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:46,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:46,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:46,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:46,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-06 23:18:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:46,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 23:18:46,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-06 23:18:46,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:46,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282126844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:46,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:46,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2024-11-06 23:18:46,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997980791] [2024-11-06 23:18:46,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:46,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:18:46,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:46,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:18:46,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:18:46,912 INFO L87 Difference]: Start difference. First operand 5352 states and 8520 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 23:18:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:47,904 INFO L93 Difference]: Finished difference Result 5354 states and 8521 transitions. [2024-11-06 23:18:47,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:18:47,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-11-06 23:18:47,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:47,921 INFO L225 Difference]: With dead ends: 5354 [2024-11-06 23:18:47,921 INFO L226 Difference]: Without dead ends: 5352 [2024-11-06 23:18:47,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-06 23:18:47,923 INFO L432 NwaCegarLoop]: 995 mSDtfsCounter, 392 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 3958 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:47,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 3958 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 23:18:47,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2024-11-06 23:18:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5352. [2024-11-06 23:18:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5352 states, 4007 states have (on average 1.521836785625156) internal successors, (6098), 4159 states have internal predecessors, (6098), 1031 states have call successors, (1031), 261 states have call predecessors, (1031), 313 states have return successors, (1364), 1003 states have call predecessors, (1364), 1023 states have call successors, (1364) [2024-11-06 23:18:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 8493 transitions. [2024-11-06 23:18:49,057 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 8493 transitions. Word has length 147 [2024-11-06 23:18:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:49,058 INFO L471 AbstractCegarLoop]: Abstraction has 5352 states and 8493 transitions. [2024-11-06 23:18:49,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 23:18:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 8493 transitions. [2024-11-06 23:18:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-06 23:18:49,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:49,062 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:49,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-06 23:18:49,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-06 23:18:49,263 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 552197517, now seen corresponding path program 1 times [2024-11-06 23:18:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048055698] [2024-11-06 23:18:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:18:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:18:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-06 23:18:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:18:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:18:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:18:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:18:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-06 23:18:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-06 23:18:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-06 23:18:49,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:49,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048055698] [2024-11-06 23:18:49,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048055698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:49,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:18:49,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-06 23:18:49,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155442266] [2024-11-06 23:18:49,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:49,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 23:18:49,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 23:18:49,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:18:49,789 INFO L87 Difference]: Start difference. First operand 5352 states and 8493 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:18:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:18:57,842 INFO L93 Difference]: Finished difference Result 21079 states and 35310 transitions. [2024-11-06 23:18:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:18:57,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 170 [2024-11-06 23:18:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:18:57,897 INFO L225 Difference]: With dead ends: 21079 [2024-11-06 23:18:57,897 INFO L226 Difference]: Without dead ends: 15805 [2024-11-06 23:18:57,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:18:57,922 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 6092 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 3605 mSolverCounterSat, 2180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6285 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 5785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2180 IncrementalHoareTripleChecker+Valid, 3605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:18:57,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6285 Valid, 1790 Invalid, 5785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2180 Valid, 3605 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-06 23:18:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15805 states. [2024-11-06 23:18:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15805 to 5376. [2024-11-06 23:18:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 4031 states have (on average 1.518729843711238) internal successors, (6122), 4183 states have internal predecessors, (6122), 1031 states have call successors, (1031), 261 states have call predecessors, (1031), 313 states have return successors, (1364), 1003 states have call predecessors, (1364), 1023 states have call successors, (1364) [2024-11-06 23:18:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 8517 transitions. [2024-11-06 23:18:59,040 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 8517 transitions. Word has length 170 [2024-11-06 23:18:59,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:18:59,040 INFO L471 AbstractCegarLoop]: Abstraction has 5376 states and 8517 transitions. [2024-11-06 23:18:59,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:18:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 8517 transitions. [2024-11-06 23:18:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-06 23:18:59,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:18:59,043 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:18:59,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-06 23:18:59,043 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:18:59,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:18:59,044 INFO L85 PathProgramCache]: Analyzing trace with hash -73457413, now seen corresponding path program 1 times [2024-11-06 23:18:59,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:18:59,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295584969] [2024-11-06 23:18:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:18:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-06 23:18:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:18:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-06 23:18:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-06 23:18:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-06 23:18:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:18:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:18:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-06 23:18:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:18:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:18:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:18:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:18:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-06 23:18:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:18:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-06 23:18:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-06 23:18:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-06 23:18:59,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:18:59,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295584969] [2024-11-06 23:18:59,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295584969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:18:59,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530123407] [2024-11-06 23:18:59,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:18:59,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:18:59,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:18:59,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:18:59,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-06 23:18:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:18:59,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:18:59,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:18:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-06 23:18:59,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:18:59,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530123407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:18:59,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:18:59,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-06 23:18:59,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110778214] [2024-11-06 23:18:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:18:59,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 23:18:59,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:18:59,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 23:18:59,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:18:59,877 INFO L87 Difference]: Start difference. First operand 5376 states and 8517 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)