./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB --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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:16:45,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:16:45,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:16:45,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:16:45,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:16:45,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:16:45,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:16:45,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:16:45,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:16:45,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:16:45,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:16:45,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:16:45,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:16:45,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:16:45,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:16:45,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:16:45,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:16:45,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:16:45,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:16:45,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:16:45,351 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:16:45,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:45,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:45,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:45,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:16:45,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:16:45,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:16:45,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:16:45,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:16:45,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:16:45,354 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2024-11-27 23:16:45,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:16:45,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:16:45,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:16:45,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:16:45,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:16:45,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2024-11-27 23:16:48,889 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/data/71c6d9647/b0e49d76972d49849bbc8709c3d1a97a/FLAGfb394d7b4 [2024-11-27 23:16:49,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:16:49,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2024-11-27 23:16:49,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/data/71c6d9647/b0e49d76972d49849bbc8709c3d1a97a/FLAGfb394d7b4 [2024-11-27 23:16:49,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/data/71c6d9647/b0e49d76972d49849bbc8709c3d1a97a [2024-11-27 23:16:49,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:16:49,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:16:49,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:49,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:16:49,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:16:49,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:49,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58347240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49, skipping insertion in model container [2024-11-27 23:16:49,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:49,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:16:49,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2024-11-27 23:16:49,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:49,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:16:49,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] [2024-11-27 23:16:49,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] [2024-11-27 23:16:49,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] [2024-11-27 23:16:49,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2024-11-27 23:16:49,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:49,929 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:16:49,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49 WrapperNode [2024-11-27 23:16:49,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:49,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:49,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:16:49,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:16:49,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:49,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:49,989 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 198 [2024-11-27 23:16:49,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:49,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:16:49,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:16:49,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:16:50,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,022 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:16:50,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:16:50,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:16:50,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:16:50,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:16:50,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (1/1) ... [2024-11-27 23:16:50,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:50,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:50,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:16:50,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-27 23:16:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-27 23:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-27 23:16:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-27 23:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-27 23:16:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-27 23:16:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-27 23:16:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-27 23:16:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-27 23:16:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-27 23:16:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-27 23:16:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-27 23:16:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-27 23:16:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-27 23:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-27 23:16:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-27 23:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-27 23:16:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-27 23:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:16:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:16:50,190 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:16:50,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:16:50,558 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-27 23:16:50,558 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:16:50,580 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:16:50,580 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:16:50,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:50 BoogieIcfgContainer [2024-11-27 23:16:50,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:16:50,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:16:50,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:16:50,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:16:50,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:16:49" (1/3) ... [2024-11-27 23:16:50,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7482260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:50, skipping insertion in model container [2024-11-27 23:16:50,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:49" (2/3) ... [2024-11-27 23:16:50,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7482260a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:50, skipping insertion in model container [2024-11-27 23:16:50,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:50" (3/3) ... [2024-11-27 23:16:50,591 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2024-11-27 23:16:50,605 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:16:50,607 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product48.cil.c that has 10 procedures, 101 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 23:16:50,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:16:50,694 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;@2643a4a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:16:50,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:16:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:16:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:16:50,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:50,711 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:50,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:50,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:50,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1074843092, now seen corresponding path program 1 times [2024-11-27 23:16:50,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:50,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235998040] [2024-11-27 23:16:50,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:16:50,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:50,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235998040] [2024-11-27 23:16:50,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235998040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:50,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:50,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:16:50,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231754766] [2024-11-27 23:16:50,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:50,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:16:50,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:50,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:16:50,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:50,995 INFO L87 Difference]: Start difference. First operand has 101 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:51,041 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2024-11-27 23:16:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:16:51,044 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-27 23:16:51,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:51,055 INFO L225 Difference]: With dead ends: 193 [2024-11-27 23:16:51,055 INFO L226 Difference]: Without dead ends: 92 [2024-11-27 23:16:51,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:51,064 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:51,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-27 23:16:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-27 23:16:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-27 23:16:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2024-11-27 23:16:51,124 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2024-11-27 23:16:51,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:51,126 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2024-11-27 23:16:51,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2024-11-27 23:16:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:16:51,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:51,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:51,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:16:51,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:51,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash 604766682, now seen corresponding path program 1 times [2024-11-27 23:16:51,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:51,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55656080] [2024-11-27 23:16:51,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:51,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:16:51,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55656080] [2024-11-27 23:16:51,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55656080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:51,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:51,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:16:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557139686] [2024-11-27 23:16:51,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:51,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:16:51,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:51,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:16:51,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:16:51,324 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:51,356 INFO L93 Difference]: Finished difference Result 146 states and 188 transitions. [2024-11-27 23:16:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:16:51,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-27 23:16:51,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:51,359 INFO L225 Difference]: With dead ends: 146 [2024-11-27 23:16:51,359 INFO L226 Difference]: Without dead ends: 84 [2024-11-27 23:16:51,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:16:51,361 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:51,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-27 23:16:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-27 23:16:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:16:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2024-11-27 23:16:51,372 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 25 [2024-11-27 23:16:51,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:51,373 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2024-11-27 23:16:51,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2024-11-27 23:16:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 23:16:51,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:51,374 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:51,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:16:51,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:51,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 109236577, now seen corresponding path program 1 times [2024-11-27 23:16:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:51,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153592111] [2024-11-27 23:16:51,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:16:51,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:51,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153592111] [2024-11-27 23:16:51,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153592111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:51,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:51,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:16:51,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308927487] [2024-11-27 23:16:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:51,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:16:51,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:51,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:16:51,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:16:51,489 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:51,543 INFO L93 Difference]: Finished difference Result 234 states and 307 transitions. [2024-11-27 23:16:51,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:16:51,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-27 23:16:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:51,545 INFO L225 Difference]: With dead ends: 234 [2024-11-27 23:16:51,545 INFO L226 Difference]: Without dead ends: 158 [2024-11-27 23:16:51,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:16:51,547 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 100 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:51,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 223 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:51,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-27 23:16:51,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2024-11-27 23:16:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 127 states have internal predecessors, (151), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:16:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2024-11-27 23:16:51,574 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 30 [2024-11-27 23:16:51,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:51,575 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2024-11-27 23:16:51,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2024-11-27 23:16:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-27 23:16:51,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:51,578 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:51,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:16:51,578 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:51,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1342603074, now seen corresponding path program 1 times [2024-11-27 23:16:51,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:51,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882894707] [2024-11-27 23:16:51,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:51,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:16:51,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:51,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882894707] [2024-11-27 23:16:51,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882894707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:51,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:51,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:16:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068681435] [2024-11-27 23:16:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:51,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:16:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:51,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:16:51,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:51,775 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:51,933 INFO L93 Difference]: Finished difference Result 395 states and 526 transitions. [2024-11-27 23:16:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:16:51,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-27 23:16:51,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:51,937 INFO L225 Difference]: With dead ends: 395 [2024-11-27 23:16:51,937 INFO L226 Difference]: Without dead ends: 248 [2024-11-27 23:16:51,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:16:51,940 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 60 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:51,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 371 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:51,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-27 23:16:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 247. [2024-11-27 23:16:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 180 states have (on average 1.3) internal successors, (234), 197 states have internal predecessors, (234), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-11-27 23:16:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 314 transitions. [2024-11-27 23:16:51,982 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 314 transitions. Word has length 33 [2024-11-27 23:16:51,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:51,982 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 314 transitions. [2024-11-27 23:16:51,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:16:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 314 transitions. [2024-11-27 23:16:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-27 23:16:51,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:51,985 INFO L218 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] [2024-11-27 23:16:51,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:16:51,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:51,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:51,986 INFO L85 PathProgramCache]: Analyzing trace with hash 276318854, now seen corresponding path program 1 times [2024-11-27 23:16:51,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:51,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392921317] [2024-11-27 23:16:51,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:16:52,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:52,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392921317] [2024-11-27 23:16:52,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392921317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:52,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:52,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:16:52,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659690777] [2024-11-27 23:16:52,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:52,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:16:52,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:52,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:16:52,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:52,119 INFO L87 Difference]: Start difference. First operand 247 states and 314 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:16:52,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:52,171 INFO L93 Difference]: Finished difference Result 492 states and 644 transitions. [2024-11-27 23:16:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:16:52,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2024-11-27 23:16:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:52,175 INFO L225 Difference]: With dead ends: 492 [2024-11-27 23:16:52,175 INFO L226 Difference]: Without dead ends: 253 [2024-11-27 23:16:52,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:52,177 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:52,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 414 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-27 23:16:52,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-27 23:16:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 186 states have (on average 1.2903225806451613) internal successors, (240), 203 states have internal predecessors, (240), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-11-27 23:16:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 320 transitions. [2024-11-27 23:16:52,214 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 320 transitions. Word has length 56 [2024-11-27 23:16:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:52,215 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 320 transitions. [2024-11-27 23:16:52,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:16:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 320 transitions. [2024-11-27 23:16:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-27 23:16:52,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:52,218 INFO L218 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] [2024-11-27 23:16:52,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:16:52,219 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:52,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:52,219 INFO L85 PathProgramCache]: Analyzing trace with hash 977918728, now seen corresponding path program 1 times [2024-11-27 23:16:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:52,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595300185] [2024-11-27 23:16:52,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:52,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:16:52,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:52,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595300185] [2024-11-27 23:16:52,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595300185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:52,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:52,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:16:52,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495130921] [2024-11-27 23:16:52,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:52,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:16:52,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:52,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:16:52,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:52,361 INFO L87 Difference]: Start difference. First operand 253 states and 320 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:16:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:52,465 INFO L93 Difference]: Finished difference Result 506 states and 657 transitions. [2024-11-27 23:16:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:16:52,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2024-11-27 23:16:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:52,470 INFO L225 Difference]: With dead ends: 506 [2024-11-27 23:16:52,470 INFO L226 Difference]: Without dead ends: 261 [2024-11-27 23:16:52,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:16:52,475 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 102 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:52,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 441 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:52,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-27 23:16:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 257. [2024-11-27 23:16:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 190 states have (on average 1.2842105263157895) internal successors, (244), 207 states have internal predecessors, (244), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2024-11-27 23:16:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 324 transitions. [2024-11-27 23:16:52,526 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 324 transitions. Word has length 56 [2024-11-27 23:16:52,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:52,527 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 324 transitions. [2024-11-27 23:16:52,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:16:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 324 transitions. [2024-11-27 23:16:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-27 23:16:52,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:52,529 INFO L218 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] [2024-11-27 23:16:52,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:16:52,529 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:52,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash 905532170, now seen corresponding path program 1 times [2024-11-27 23:16:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:52,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133737461] [2024-11-27 23:16:52,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:16:52,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:52,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133737461] [2024-11-27 23:16:52,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133737461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:52,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:52,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:16:52,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235470001] [2024-11-27 23:16:52,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:52,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:16:52,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:52,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:16:52,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:52,754 INFO L87 Difference]: Start difference. First operand 257 states and 324 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 23:16:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:52,952 INFO L93 Difference]: Finished difference Result 817 states and 1063 transitions. [2024-11-27 23:16:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:16:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2024-11-27 23:16:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:52,963 INFO L225 Difference]: With dead ends: 817 [2024-11-27 23:16:52,963 INFO L226 Difference]: Without dead ends: 568 [2024-11-27 23:16:52,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:52,967 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 134 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:52,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 337 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:52,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-27 23:16:53,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2024-11-27 23:16:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 411 states have (on average 1.2652068126520681) internal successors, (520), 442 states have internal predecessors, (520), 76 states have call successors, (76), 66 states have call predecessors, (76), 68 states have return successors, (112), 72 states have call predecessors, (112), 76 states have call successors, (112) [2024-11-27 23:16:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 708 transitions. [2024-11-27 23:16:53,066 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 708 transitions. Word has length 56 [2024-11-27 23:16:53,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:53,067 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 708 transitions. [2024-11-27 23:16:53,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 23:16:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 708 transitions. [2024-11-27 23:16:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-27 23:16:53,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:53,072 INFO L218 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] [2024-11-27 23:16:53,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:16:53,072 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:53,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:53,074 INFO L85 PathProgramCache]: Analyzing trace with hash -214514256, now seen corresponding path program 1 times [2024-11-27 23:16:53,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134174339] [2024-11-27 23:16:53,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:16:53,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:53,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134174339] [2024-11-27 23:16:53,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134174339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:53,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:53,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:16:53,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571384556] [2024-11-27 23:16:53,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:53,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:16:53,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:53,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:16:53,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:16:53,404 INFO L87 Difference]: Start difference. First operand 556 states and 708 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:16:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:53,821 INFO L93 Difference]: Finished difference Result 1620 states and 2139 transitions. [2024-11-27 23:16:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:16:53,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-27 23:16:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:53,833 INFO L225 Difference]: With dead ends: 1620 [2024-11-27 23:16:53,834 INFO L226 Difference]: Without dead ends: 1072 [2024-11-27 23:16:53,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:16:53,841 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 88 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:53,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 752 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:16:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2024-11-27 23:16:54,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2024-11-27 23:16:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 783 states have (on average 1.240102171136654) internal successors, (971), 840 states have internal predecessors, (971), 152 states have call successors, (152), 132 states have call predecessors, (152), 136 states have return successors, (240), 144 states have call predecessors, (240), 152 states have call successors, (240) [2024-11-27 23:16:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1363 transitions. [2024-11-27 23:16:54,030 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1363 transitions. Word has length 60 [2024-11-27 23:16:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:54,031 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1363 transitions. [2024-11-27 23:16:54,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:16:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1363 transitions. [2024-11-27 23:16:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:16:54,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:54,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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] [2024-11-27 23:16:54,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:16:54,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:54,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:54,043 INFO L85 PathProgramCache]: Analyzing trace with hash -708987453, now seen corresponding path program 1 times [2024-11-27 23:16:54,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:54,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296134309] [2024-11-27 23:16:54,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:54,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:16:54,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:54,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296134309] [2024-11-27 23:16:54,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296134309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:54,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:54,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:16:54,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497640461] [2024-11-27 23:16:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:54,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:16:54,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:54,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:16:54,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:54,145 INFO L87 Difference]: Start difference. First operand 1072 states and 1363 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:16:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:54,324 INFO L93 Difference]: Finished difference Result 1803 states and 2289 transitions. [2024-11-27 23:16:54,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:16:54,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 98 [2024-11-27 23:16:54,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:54,336 INFO L225 Difference]: With dead ends: 1803 [2024-11-27 23:16:54,336 INFO L226 Difference]: Without dead ends: 739 [2024-11-27 23:16:54,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:54,341 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 131 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:54,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 251 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:54,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-27 23:16:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 727. [2024-11-27 23:16:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 538 states have (on average 1.224907063197026) internal successors, (659), 577 states have internal predecessors, (659), 98 states have call successors, (98), 88 states have call predecessors, (98), 90 states have return successors, (147), 96 states have call predecessors, (147), 98 states have call successors, (147) [2024-11-27 23:16:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 904 transitions. [2024-11-27 23:16:54,436 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 904 transitions. Word has length 98 [2024-11-27 23:16:54,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:54,437 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 904 transitions. [2024-11-27 23:16:54,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:16:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 904 transitions. [2024-11-27 23:16:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:54,442 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:54,443 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-27 23:16:54,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:16:54,444 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:54,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1576483077, now seen corresponding path program 1 times [2024-11-27 23:16:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001847226] [2024-11-27 23:16:54,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-27 23:16:54,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:54,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001847226] [2024-11-27 23:16:54,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001847226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:16:54,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759230449] [2024-11-27 23:16:54,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:54,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:16:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:16:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:54,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:16:54,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:16:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:16:55,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:16:55,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759230449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:55,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:16:55,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-27 23:16:55,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16542278] [2024-11-27 23:16:55,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:55,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:16:55,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:55,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:16:55,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:16:55,168 INFO L87 Difference]: Start difference. First operand 727 states and 904 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 23:16:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:55,449 INFO L93 Difference]: Finished difference Result 1446 states and 1800 transitions. [2024-11-27 23:16:55,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:16:55,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2024-11-27 23:16:55,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:55,456 INFO L225 Difference]: With dead ends: 1446 [2024-11-27 23:16:55,456 INFO L226 Difference]: Without dead ends: 727 [2024-11-27 23:16:55,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:16:55,459 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 66 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:55,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 796 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:16:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-27 23:16:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2024-11-27 23:16:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 538 states have (on average 1.20817843866171) internal successors, (650), 577 states have internal predecessors, (650), 98 states have call successors, (98), 88 states have call predecessors, (98), 90 states have return successors, (131), 96 states have call predecessors, (131), 98 states have call successors, (131) [2024-11-27 23:16:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 879 transitions. [2024-11-27 23:16:55,551 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 879 transitions. Word has length 116 [2024-11-27 23:16:55,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:55,551 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 879 transitions. [2024-11-27 23:16:55,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 23:16:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 879 transitions. [2024-11-27 23:16:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:16:55,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:55,555 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 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] [2024-11-27 23:16:55,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:16:55,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:16:55,760 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:55,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash 952701287, now seen corresponding path program 1 times [2024-11-27 23:16:55,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:55,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235438550] [2024-11-27 23:16:55,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 23:16:56,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:56,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235438550] [2024-11-27 23:16:56,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235438550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:16:56,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661575075] [2024-11-27 23:16:56,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:56,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:56,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:16:56,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:16:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:56,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:16:56,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:16:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 23:16:56,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:16:56,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661575075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:56,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:16:56,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-27 23:16:56,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61226213] [2024-11-27 23:16:56,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:56,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:16:56,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:56,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:16:56,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:16:56,334 INFO L87 Difference]: Start difference. First operand 727 states and 879 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:16:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:56,573 INFO L93 Difference]: Finished difference Result 1230 states and 1501 transitions. [2024-11-27 23:16:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:16:56,574 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-27 23:16:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:56,576 INFO L225 Difference]: With dead ends: 1230 [2024-11-27 23:16:56,577 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:16:56,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:16:56,580 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 64 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:56,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1084 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:56,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:16:56,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:16:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:16:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:16:56,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-11-27 23:16:56,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:56,583 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:16:56,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:16:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:16:56,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:16:56,587 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:16:56,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:16:56,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:16:56,790 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:56,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:17:01,440 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:17:01,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:17:01 BoogieIcfgContainer [2024-11-27 23:17:01,454 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:17:01,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:17:01,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:17:01,455 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:17:01,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:50" (3/4) ... [2024-11-27 23:17:01,458 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:17:01,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-27 23:17:01,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-27 23:17:01,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-27 23:17:01,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-27 23:17:01,474 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-27 23:17:01,475 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 23:17:01,475 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 23:17:01,475 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:17:01,476 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:17:01,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:17:01,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:17:01,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:17:01,589 INFO L158 Benchmark]: Toolchain (without parser) took 12116.27ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 316.9MB in the end (delta: -223.1MB). Peak memory consumption was 208.3MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,589 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:01,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.77ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 74.7MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.12ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:01,590 INFO L158 Benchmark]: Boogie Preprocessor took 56.57ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,590 INFO L158 Benchmark]: RCFGBuilder took 532.96ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 53.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,591 INFO L158 Benchmark]: TraceAbstraction took 10872.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.3MB in the beginning and 124.0MB in the end (delta: -70.7MB). Peak memory consumption was 169.1MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,591 INFO L158 Benchmark]: Witness Printer took 132.83ms. Allocated memory is still 352.3MB. Free memory was 124.0MB in the beginning and 316.9MB in the end (delta: -192.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-27 23:17:01,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.77ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 74.7MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.12ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.57ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 532.96ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 53.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10872.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.3MB in the beginning and 124.0MB in the end (delta: -70.7MB). Peak memory consumption was 169.1MB. Max. memory is 16.1GB. * Witness Printer took 132.83ms. Allocated memory is still 352.3MB. Free memory was 124.0MB in the beginning and 316.9MB in the end (delta: -192.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] - GenericResultAtLocation [Line: 524]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 895]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 775 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 4990 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3513 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 679 IncrementalHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1477 mSDtfsCounter, 679 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1072occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 32 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 1400 SizeOfPredicates, 1 NumberOfNonLiveVariables, 711 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 218/236 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 202]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-27 23:17:01,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041df366-0397-428d-96e8-cfa12fe4efdc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE