./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd --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 e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:26:49,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:26:49,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:26:49,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:26:49,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:26:49,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:26:49,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:26:49,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:26:49,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:26:49,607 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:26:49,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:26:49,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:26:49,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:26:49,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:26:49,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:26:49,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:26:49,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:26:49,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:26:49,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:26:49,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:26:49,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:26:49,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:26:49,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:26:49,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:26:49,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:26:49,616 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_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd 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 -> e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 [2024-11-13 16:26:50,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:26:50,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:26:50,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:26:50,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:26:50,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:26:50,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c Unable to find full path for "g++" [2024-11-13 16:26:52,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:26:52,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:26:52,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2024-11-13 16:26:52,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/data/b31062437/3de90bbeb43441d5a118e42df5fdc022/FLAG7c1fb3239 [2024-11-13 16:26:52,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/data/b31062437/3de90bbeb43441d5a118e42df5fdc022 [2024-11-13 16:26:52,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:26:52,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:26:52,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:26:52,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:26:52,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:26:52,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:26:52" (1/1) ... [2024-11-13 16:26:52,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380b6b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:52, skipping insertion in model container [2024-11-13 16:26:52,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:26:52" (1/1) ... [2024-11-13 16:26:52,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:26:53,246 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_0e7cf12b-060c-4fa3-972a-22ec5c65a719/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2024-11-13 16:26:53,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:26:53,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:26:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-13 16:26:53,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2024-11-13 16:26:53,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [334] [2024-11-13 16:26:53,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [361] [2024-11-13 16:26:53,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [460] [2024-11-13 16:26:53,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [495] [2024-11-13 16:26:53,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [504] [2024-11-13 16:26:53,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [870] [2024-11-13 16:26:53,476 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_0e7cf12b-060c-4fa3-972a-22ec5c65a719/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2024-11-13 16:26:53,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:26:53,562 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:26:53,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53 WrapperNode [2024-11-13 16:26:53,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:26:53,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:26:53,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:26:53,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:26:53,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,620 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 191 [2024-11-13 16:26:53,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:26:53,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:26:53,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:26:53,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:26:53,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,683 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]. [2024-11-13 16:26:53,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:26:53,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:26:53,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:26:53,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:26:53,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (1/1) ... [2024-11-13 16:26:53,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:26:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:26:53,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:26:53,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:26:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:26:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 16:26:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 16:26:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 16:26:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 16:26:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 16:26:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 16:26:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 16:26:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 16:26:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-13 16:26:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-13 16:26:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 16:26:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 16:26:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-13 16:26:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-13 16:26:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:26:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 16:26:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 16:26:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:26:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:26:53,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:26:53,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:26:54,314 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-13 16:26:54,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:26:54,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:26:54,332 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:26:54,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:54 BoogieIcfgContainer [2024-11-13 16:26:54,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:26:54,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:26:54,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:26:54,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:26:54,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:26:52" (1/3) ... [2024-11-13 16:26:54,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ed51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:54, skipping insertion in model container [2024-11-13 16:26:54,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:53" (2/3) ... [2024-11-13 16:26:54,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ed51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:54, skipping insertion in model container [2024-11-13 16:26:54,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:54" (3/3) ... [2024-11-13 16:26:54,349 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product40.cil.c [2024-11-13 16:26:54,370 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:26:54,372 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product40.cil.c that has 9 procedures, 93 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 16:26:54,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:26:54,475 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;@34ca1c25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:26:54,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:26:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 16:26:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:26:54,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:54,495 INFO L215 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] [2024-11-13 16:26:54,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:54,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:54,504 INFO L85 PathProgramCache]: Analyzing trace with hash -430360023, now seen corresponding path program 1 times [2024-11-13 16:26:54,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:54,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998447381] [2024-11-13 16:26:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:54,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:54,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 16:26:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:54,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:54,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998447381] [2024-11-13 16:26:54,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998447381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:54,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:54,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:26:54,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329398927] [2024-11-13 16:26:54,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:54,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:26:54,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:54,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:26:54,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:26:54,734 INFO L87 Difference]: Start difference. First operand has 93 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-13 16:26:54,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:54,777 INFO L93 Difference]: Finished difference Result 178 states and 241 transitions. [2024-11-13 16:26:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:26:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-13 16:26:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:54,788 INFO L225 Difference]: With dead ends: 178 [2024-11-13 16:26:54,788 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 16:26:54,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:26:54,795 INFO L432 NwaCegarLoop]: 117 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, 117 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 [2024-11-13 16:26:54,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:26:54,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 16:26:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-13 16:26:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:26:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2024-11-13 16:26:54,843 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 23 [2024-11-13 16:26:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:54,843 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2024-11-13 16:26:54,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-13 16:26:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2024-11-13 16:26:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:26:54,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:54,846 INFO L215 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] [2024-11-13 16:26:54,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:26:54,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:54,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash -519209979, now seen corresponding path program 1 times [2024-11-13 16:26:54,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:54,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523428014] [2024-11-13 16:26:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:26:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:55,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:55,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523428014] [2024-11-13 16:26:55,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523428014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:55,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:55,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:26:55,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288485079] [2024-11-13 16:26:55,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:55,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:26:55,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:55,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:26:55,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:55,040 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-13 16:26:55,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:55,066 INFO L93 Difference]: Finished difference Result 129 states and 165 transitions. [2024-11-13 16:26:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:26:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2024-11-13 16:26:55,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:55,069 INFO L225 Difference]: With dead ends: 129 [2024-11-13 16:26:55,069 INFO L226 Difference]: Without dead ends: 75 [2024-11-13 16:26:55,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:55,071 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 17 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 168 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 [2024-11-13 16:26:55,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 168 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:26:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-13 16:26:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-13 16:26:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 16:26:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2024-11-13 16:26:55,094 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 24 [2024-11-13 16:26:55,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:55,095 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2024-11-13 16:26:55,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-13 16:26:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2024-11-13 16:26:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:26:55,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:55,097 INFO L215 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] [2024-11-13 16:26:55,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:26:55,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:55,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:55,098 INFO L85 PathProgramCache]: Analyzing trace with hash -395890592, now seen corresponding path program 1 times [2024-11-13 16:26:55,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:55,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041827106] [2024-11-13 16:26:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:55,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:26:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:55,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:55,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041827106] [2024-11-13 16:26:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041827106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:55,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:26:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664759635] [2024-11-13 16:26:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:55,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:26:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:26:55,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:55,301 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-13 16:26:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:55,363 INFO L93 Difference]: Finished difference Result 209 states and 273 transitions. [2024-11-13 16:26:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:26:55,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2024-11-13 16:26:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:55,367 INFO L225 Difference]: With dead ends: 209 [2024-11-13 16:26:55,367 INFO L226 Difference]: Without dead ends: 141 [2024-11-13 16:26:55,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:55,369 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 88 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 193 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 [2024-11-13 16:26:55,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 193 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:26:55,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-13 16:26:55,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2024-11-13 16:26:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 116 states have internal predecessors, (136), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:26:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 180 transitions. [2024-11-13 16:26:55,405 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 180 transitions. Word has length 29 [2024-11-13 16:26:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:55,405 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 180 transitions. [2024-11-13 16:26:55,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-13 16:26:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2024-11-13 16:26:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 16:26:55,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:55,408 INFO L215 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] [2024-11-13 16:26:55,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:26:55,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:55,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:55,410 INFO L85 PathProgramCache]: Analyzing trace with hash -190106961, now seen corresponding path program 1 times [2024-11-13 16:26:55,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:55,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069122201] [2024-11-13 16:26:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:26:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:55,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069122201] [2024-11-13 16:26:55,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069122201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:55,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:55,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:26:55,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112225407] [2024-11-13 16:26:55,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:55,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:26:55,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:55,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:26:55,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:26:55,676 INFO L87 Difference]: Start difference. First operand 138 states and 180 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-13 16:26:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:55,946 INFO L93 Difference]: Finished difference Result 352 states and 471 transitions. [2024-11-13 16:26:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:26:55,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2024-11-13 16:26:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:55,950 INFO L225 Difference]: With dead ends: 352 [2024-11-13 16:26:55,950 INFO L226 Difference]: Without dead ends: 221 [2024-11-13 16:26:55,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:26:55,953 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 49 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:26:55,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 338 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:26:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-13 16:26:55,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2024-11-13 16:26:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 163 states have (on average 1.3067484662576687) internal successors, (213), 178 states have internal predecessors, (213), 30 states have call successors, (30), 26 states have call predecessors, (30), 26 states have return successors, (38), 27 states have call predecessors, (38), 30 states have call successors, (38) [2024-11-13 16:26:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2024-11-13 16:26:56,000 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 32 [2024-11-13 16:26:56,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:56,001 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2024-11-13 16:26:56,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-13 16:26:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2024-11-13 16:26:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:26:56,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:56,004 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:56,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:26:56,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:56,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1857853283, now seen corresponding path program 1 times [2024-11-13 16:26:56,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750314564] [2024-11-13 16:26:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:56,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:26:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 16:26:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:56,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:56,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750314564] [2024-11-13 16:26:56,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750314564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:56,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:56,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:26:56,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214744155] [2024-11-13 16:26:56,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:56,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:26:56,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:56,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:26:56,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:26:56,216 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:56,498 INFO L93 Difference]: Finished difference Result 485 states and 626 transitions. [2024-11-13 16:26:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:26:56,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-13 16:26:56,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:56,502 INFO L225 Difference]: With dead ends: 485 [2024-11-13 16:26:56,504 INFO L226 Difference]: Without dead ends: 272 [2024-11-13 16:26:56,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:26:56,506 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 48 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:26:56,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 330 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:26:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-13 16:26:56,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2024-11-13 16:26:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 203 states have (on average 1.2758620689655173) internal successors, (259), 218 states have internal predecessors, (259), 34 states have call successors, (34), 26 states have call predecessors, (34), 32 states have return successors, (48), 35 states have call predecessors, (48), 34 states have call successors, (48) [2024-11-13 16:26:56,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 341 transitions. [2024-11-13 16:26:56,581 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 341 transitions. Word has length 43 [2024-11-13 16:26:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:56,583 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 341 transitions. [2024-11-13 16:26:56,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 341 transitions. [2024-11-13 16:26:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:26:56,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:56,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:56,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:26:56,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:56,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:56,586 INFO L85 PathProgramCache]: Analyzing trace with hash -136291423, now seen corresponding path program 1 times [2024-11-13 16:26:56,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:56,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771877810] [2024-11-13 16:26:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:56,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:26:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 16:26:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:56,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771877810] [2024-11-13 16:26:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771877810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:56,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:26:56,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035918963] [2024-11-13 16:26:56,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:56,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:26:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:56,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:26:56,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:26:56,759 INFO L87 Difference]: Start difference. First operand 270 states and 341 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:57,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:57,121 INFO L93 Difference]: Finished difference Result 545 states and 702 transitions. [2024-11-13 16:26:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:26:57,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-13 16:26:57,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:57,127 INFO L225 Difference]: With dead ends: 545 [2024-11-13 16:26:57,129 INFO L226 Difference]: Without dead ends: 282 [2024-11-13 16:26:57,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:26:57,132 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 159 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:26:57,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 378 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:26:57,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-13 16:26:57,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2024-11-13 16:26:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 207 states have (on average 1.2705314009661837) internal successors, (263), 222 states have internal predecessors, (263), 34 states have call successors, (34), 26 states have call predecessors, (34), 32 states have return successors, (48), 35 states have call predecessors, (48), 34 states have call successors, (48) [2024-11-13 16:26:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 345 transitions. [2024-11-13 16:26:57,182 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 345 transitions. Word has length 43 [2024-11-13 16:26:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:57,183 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 345 transitions. [2024-11-13 16:26:57,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 345 transitions. [2024-11-13 16:26:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:26:57,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:57,187 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:57,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:26:57,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:57,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:57,188 INFO L85 PathProgramCache]: Analyzing trace with hash -953939873, now seen corresponding path program 1 times [2024-11-13 16:26:57,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:57,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159058834] [2024-11-13 16:26:57,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:57,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:26:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 16:26:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:57,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:57,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159058834] [2024-11-13 16:26:57,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159058834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:57,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:57,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:26:57,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728418025] [2024-11-13 16:26:57,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:57,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:26:57,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:57,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:26:57,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:26:57,314 INFO L87 Difference]: Start difference. First operand 274 states and 345 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:57,633 INFO L93 Difference]: Finished difference Result 792 states and 1037 transitions. [2024-11-13 16:26:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:26:57,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-13 16:26:57,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:57,637 INFO L225 Difference]: With dead ends: 792 [2024-11-13 16:26:57,637 INFO L226 Difference]: Without dead ends: 525 [2024-11-13 16:26:57,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:26:57,639 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 208 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:26:57,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 284 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:26:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-13 16:26:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 518. [2024-11-13 16:26:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 391 states have (on average 1.2429667519181586) internal successors, (486), 415 states have internal predecessors, (486), 65 states have call successors, (65), 59 states have call predecessors, (65), 61 states have return successors, (103), 64 states have call predecessors, (103), 65 states have call successors, (103) [2024-11-13 16:26:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 654 transitions. [2024-11-13 16:26:57,704 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 654 transitions. Word has length 43 [2024-11-13 16:26:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:57,704 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 654 transitions. [2024-11-13 16:26:57,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:26:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 654 transitions. [2024-11-13 16:26:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:26:57,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:57,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:57,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:26:57,707 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:57,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:57,707 INFO L85 PathProgramCache]: Analyzing trace with hash -180061575, now seen corresponding path program 1 times [2024-11-13 16:26:57,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:57,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527919874] [2024-11-13 16:26:57,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:26:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:26:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:26:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:57,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:57,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527919874] [2024-11-13 16:26:57,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527919874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:57,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:57,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:26:57,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522913064] [2024-11-13 16:26:57,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:57,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:26:57,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:57,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:26:57,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:26:57,910 INFO L87 Difference]: Start difference. First operand 518 states and 654 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 16:26:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:26:58,759 INFO L93 Difference]: Finished difference Result 1748 states and 2296 transitions. [2024-11-13 16:26:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 16:26:58,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-13 16:26:58,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:26:58,770 INFO L225 Difference]: With dead ends: 1748 [2024-11-13 16:26:58,770 INFO L226 Difference]: Without dead ends: 1237 [2024-11-13 16:26:58,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-13 16:26:58,774 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 273 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:26:58,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 362 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:26:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-13 16:26:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1195. [2024-11-13 16:26:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 890 states have (on average 1.208988764044944) internal successors, (1076), 953 states have internal predecessors, (1076), 162 states have call successors, (162), 118 states have call predecessors, (162), 142 states have return successors, (288), 164 states have call predecessors, (288), 162 states have call successors, (288) [2024-11-13 16:26:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1526 transitions. [2024-11-13 16:26:58,933 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1526 transitions. Word has length 47 [2024-11-13 16:26:58,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:26:58,934 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 1526 transitions. [2024-11-13 16:26:58,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 16:26:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1526 transitions. [2024-11-13 16:26:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 16:26:58,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:58,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:58,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:26:58,936 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:58,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:58,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1323168565, now seen corresponding path program 1 times [2024-11-13 16:26:58,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:58,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855883769] [2024-11-13 16:26:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:26:58,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:26:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:26:59,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:26:59,014 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:26:59,016 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:26:59,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:26:59,021 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:59,095 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:26:59,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:26:59 BoogieIcfgContainer [2024-11-13 16:26:59,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:26:59,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:26:59,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:26:59,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:26:59,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:54" (3/4) ... [2024-11-13 16:26:59,103 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:26:59,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:26:59,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:26:59,178 INFO L158 Benchmark]: Toolchain (without parser) took 6389.35ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 74.4MB in the beginning and 72.1MB in the end (delta: 2.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-13 16:26:59,179 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:26:59,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.94ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 55.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:26:59,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.49ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 54.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:26:59,181 INFO L158 Benchmark]: Boogie Preprocessor took 87.48ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:26:59,181 INFO L158 Benchmark]: RCFGBuilder took 618.92ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 36.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:26:59,182 INFO L158 Benchmark]: TraceAbstraction took 4763.76ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 35.5MB in the beginning and 76.2MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:26:59,182 INFO L158 Benchmark]: Witness Printer took 75.81ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 72.1MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:26:59,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.94ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 55.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.49ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 54.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.48ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 618.92ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 36.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4763.76ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 35.5MB in the beginning and 76.2MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.81ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 72.1MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [334] - GenericResultAtLocation [Line: 361]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [361] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [460] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [495] - GenericResultAtLocation [Line: 504]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [504] - GenericResultAtLocation [Line: 870]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [870] * 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 - CounterExampleResult [Line: 500]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L362] int cleanupTimeShifts = 4; [L674] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L872] int waterLevel = 1; [L873] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L438] int retValue_acc ; [L439] int tmp ; [L443] FCALL select_helpers() [L444] FCALL select_features() [L445] CALL, EXPR valid_product() [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] RET, EXPR valid_product() [L445] tmp = valid_product() [L447] COND TRUE \read(tmp) [L449] FCALL setup() [L450] CALL runTest() [L429] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L276] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L278] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L284] tmp = __VERIFIER_nondet_int() [L286] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L288] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] COND TRUE waterLevel < 2 [L891] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L288] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L298] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] COND FALSE !(\read(methaneLevelCritical)) [L905] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L298] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L308] RET startSystem() [L323] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L69] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L142] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L98] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L101] COND TRUE ! pumpRunning [L103] CALL, EXPR isHighWaterLevel() [L221] int retValue_acc ; [L222] int tmp ; [L223] int tmp___0 ; [L227] CALL, EXPR isHighWaterSensorDry() [L952] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L955] COND FALSE !(waterLevel < 2) [L959] retValue_acc = 0 [L960] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L227] RET, EXPR isHighWaterSensorDry() [L227] tmp = isHighWaterSensorDry() [L229] COND FALSE !(\read(tmp)) [L232] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L234] retValue_acc = tmp___0 [L235] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L103] RET, EXPR isHighWaterLevel() [L103] tmp = isHighWaterLevel() [L105] COND TRUE \read(tmp) [L107] CALL activatePump() [L152] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L107] RET activatePump() [L142] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification1_spec__1() [L337] int tmp ; [L338] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L911] int retValue_acc ; [L914] retValue_acc = methaneLevelCritical [L915] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND TRUE \read(tmp) [L346] CALL, EXPR isPumpRunning() [L176] int retValue_acc ; [L179] retValue_acc = pumpRunning [L180] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L346] RET, EXPR isPumpRunning() [L346] tmp___0 = isPumpRunning() [L348] COND TRUE \read(tmp___0) [L350] CALL __automaton_fail() [L500] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 872 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 842 mSDsluCounter, 2170 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1399 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 752 IncrementalHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 771 mSDtfsCounter, 752 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1195occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 63 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:26:59,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e7cf12b-060c-4fa3-972a-22ec5c65a719/bin/uautomizer-verify-qhAvR1uOyd/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE