./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:59:44,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:59:44,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:59:44,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:59:44,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:59:44,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:59:44,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:59:44,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:59:44,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:59:44,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:59:44,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:59:44,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:59:44,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:59:44,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:59:44,919 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:59:44,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:59:44,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:59:44,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:59:44,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:59:44,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:59:44,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:59:44,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:59:44,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:59:44,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:44,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:44,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:44,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:44,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:59:44,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:59:44,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:59:44,924 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_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2024-11-28 04:59:45,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:59:45,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:59:45,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:59:45,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:59:45,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:59:45,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-11-28 04:59:48,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/data/f9201faf0/9a4b0aeb0a1b454684ec818eb50ac72d/FLAGfe35c667f [2024-11-28 04:59:48,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:59:48,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-11-28 04:59:48,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/data/f9201faf0/9a4b0aeb0a1b454684ec818eb50ac72d/FLAGfe35c667f [2024-11-28 04:59:48,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/data/f9201faf0/9a4b0aeb0a1b454684ec818eb50ac72d [2024-11-28 04:59:48,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:59:48,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:59:48,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:48,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:59:48,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:59:48,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:48" (1/1) ... [2024-11-28 04:59:48,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10eb664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:48, skipping insertion in model container [2024-11-28 04:59:48,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:48" (1/1) ... [2024-11-28 04:59:48,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:59:49,222 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_958a81fc-29ed-4e8f-b719-c5d83455d1d0/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2024-11-28 04:59:49,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:49,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:59:49,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-28 04:59:49,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] [2024-11-28 04:59:49,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-28 04:59:49,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-28 04:59:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] [2024-11-28 04:59:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-11-28 04:59:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] [2024-11-28 04:59:49,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] [2024-11-28 04:59:49,414 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_958a81fc-29ed-4e8f-b719-c5d83455d1d0/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2024-11-28 04:59:49,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:49,495 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:59:49,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49 WrapperNode [2024-11-28 04:59:49,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:49,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:49,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:59:49,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:59:49,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,566 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 229 [2024-11-28 04:59:49,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:49,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:59:49,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:59:49,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:59:49,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,616 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]. [2024-11-28 04:59:49,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:59:49,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:59:49,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:59:49,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:59:49,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2024-11-28 04:59:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:49,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:59:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:59:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:59:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 04:59:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 04:59:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 04:59:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 04:59:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:59:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 04:59:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 04:59:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 04:59:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:59:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:59:49,853 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:59:49,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:59:50,232 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-28 04:59:50,232 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:59:50,253 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:59:50,255 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:59:50,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50 BoogieIcfgContainer [2024-11-28 04:59:50,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:59:50,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:59:50,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:59:50,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:59:50,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:59:48" (1/3) ... [2024-11-28 04:59:50,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebd57cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:50, skipping insertion in model container [2024-11-28 04:59:50,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (2/3) ... [2024-11-28 04:59:50,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebd57cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:50, skipping insertion in model container [2024-11-28 04:59:50,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50" (3/3) ... [2024-11-28 04:59:50,271 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2024-11-28 04:59:50,292 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:59:50,296 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product58.cil.c that has 7 procedures, 85 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 04:59:50,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:59:50,402 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;@77f764af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:59:50,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:59:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 75 states have internal predecessors, (94), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:59:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:59:50,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:50,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:50,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:50,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1985244966, now seen corresponding path program 1 times [2024-11-28 04:59:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210883686] [2024-11-28 04:59:50,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:50,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:50,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210883686] [2024-11-28 04:59:50,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210883686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:50,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:50,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:59:50,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604800749] [2024-11-28 04:59:50,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:50,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:50,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:50,806 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 75 states have internal predecessors, (94), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:50,863 INFO L93 Difference]: Finished difference Result 150 states and 203 transitions. [2024-11-28 04:59:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:50,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-28 04:59:50,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:50,878 INFO L225 Difference]: With dead ends: 150 [2024-11-28 04:59:50,879 INFO L226 Difference]: Without dead ends: 68 [2024-11-28 04:59:50,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:50,890 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 166 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 [2024-11-28 04:59:50,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:50,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-28 04:59:50,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-28 04:59:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 62 states have internal predecessors, (74), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:59:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2024-11-28 04:59:50,957 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 19 [2024-11-28 04:59:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:50,958 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2024-11-28 04:59:50,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2024-11-28 04:59:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 04:59:50,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:50,964 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:50,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:59:50,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:50,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2068903963, now seen corresponding path program 1 times [2024-11-28 04:59:50,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:50,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332388054] [2024-11-28 04:59:50,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:51,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:51,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332388054] [2024-11-28 04:59:51,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332388054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:51,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:51,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:59:51,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657914863] [2024-11-28 04:59:51,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:51,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:51,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:51,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:51,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:51,193 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:51,236 INFO L93 Difference]: Finished difference Result 129 states and 170 transitions. [2024-11-28 04:59:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:51,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-28 04:59:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:51,240 INFO L225 Difference]: With dead ends: 129 [2024-11-28 04:59:51,240 INFO L226 Difference]: Without dead ends: 68 [2024-11-28 04:59:51,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:51,241 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:51,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 86 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-28 04:59:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-28 04:59:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 62 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:59:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2024-11-28 04:59:51,256 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 24 [2024-11-28 04:59:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2024-11-28 04:59:51,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2024-11-28 04:59:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:59:51,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:51,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:51,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:59:51,258 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:51,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1198300003, now seen corresponding path program 1 times [2024-11-28 04:59:51,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:51,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682661665] [2024-11-28 04:59:51,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:51,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:51,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:51,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682661665] [2024-11-28 04:59:51,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682661665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:51,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:51,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:51,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104922153] [2024-11-28 04:59:51,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:51,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:51,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:51,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:51,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:51,398 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:51,701 INFO L93 Difference]: Finished difference Result 192 states and 246 transitions. [2024-11-28 04:59:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:59:51,702 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), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-28 04:59:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:51,704 INFO L225 Difference]: With dead ends: 192 [2024-11-28 04:59:51,704 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 04:59:51,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:59:51,709 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 174 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:51,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 237 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 04:59:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 125. [2024-11-28 04:59:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 101 states have (on average 1.2772277227722773) internal successors, (129), 109 states have internal predecessors, (129), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (15), 11 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-28 04:59:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2024-11-28 04:59:51,755 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 154 transitions. Word has length 34 [2024-11-28 04:59:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:51,756 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 154 transitions. [2024-11-28 04:59:51,756 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), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2024-11-28 04:59:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 04:59:51,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:51,760 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:51,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:59:51,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:51,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:51,761 INFO L85 PathProgramCache]: Analyzing trace with hash -957813483, now seen corresponding path program 1 times [2024-11-28 04:59:51,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:51,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970709592] [2024-11-28 04:59:51,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:52,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:52,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970709592] [2024-11-28 04:59:52,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970709592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:52,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:52,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:59:52,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323844369] [2024-11-28 04:59:52,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:52,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:59:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:52,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:59:52,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:59:52,132 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:52,451 INFO L93 Difference]: Finished difference Result 424 states and 566 transitions. [2024-11-28 04:59:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:59:52,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-28 04:59:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:52,459 INFO L225 Difference]: With dead ends: 424 [2024-11-28 04:59:52,459 INFO L226 Difference]: Without dead ends: 306 [2024-11-28 04:59:52,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:59:52,464 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 193 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:52,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 462 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:52,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-28 04:59:52,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 302. [2024-11-28 04:59:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 242 states have (on average 1.2479338842975207) internal successors, (302), 260 states have internal predecessors, (302), 26 states have call successors, (26), 26 states have call predecessors, (26), 33 states have return successors, (51), 29 states have call predecessors, (51), 26 states have call successors, (51) [2024-11-28 04:59:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 379 transitions. [2024-11-28 04:59:52,527 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 379 transitions. Word has length 40 [2024-11-28 04:59:52,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:52,528 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 379 transitions. [2024-11-28 04:59:52,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 379 transitions. [2024-11-28 04:59:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:59:52,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:52,532 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:52,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:59:52,532 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:52,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2060829573, now seen corresponding path program 1 times [2024-11-28 04:59:52,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:52,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480246431] [2024-11-28 04:59:52,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:52,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:59:52,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:52,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480246431] [2024-11-28 04:59:52,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480246431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:52,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:52,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:52,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14754457] [2024-11-28 04:59:52,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:52,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:52,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:52,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:52,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:52,721 INFO L87 Difference]: Start difference. First operand 302 states and 379 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:59:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:52,787 INFO L93 Difference]: Finished difference Result 606 states and 787 transitions. [2024-11-28 04:59:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:52,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 69 [2024-11-28 04:59:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:52,795 INFO L225 Difference]: With dead ends: 606 [2024-11-28 04:59:52,795 INFO L226 Difference]: Without dead ends: 311 [2024-11-28 04:59:52,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:52,798 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:52,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:52,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-28 04:59:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-28 04:59:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 251 states have (on average 1.2390438247011952) internal successors, (311), 269 states have internal predecessors, (311), 26 states have call successors, (26), 26 states have call predecessors, (26), 33 states have return successors, (51), 29 states have call predecessors, (51), 26 states have call successors, (51) [2024-11-28 04:59:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 388 transitions. [2024-11-28 04:59:52,850 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 388 transitions. Word has length 69 [2024-11-28 04:59:52,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:52,850 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 388 transitions. [2024-11-28 04:59:52,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:59:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 388 transitions. [2024-11-28 04:59:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:59:52,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:52,856 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:52,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:59:52,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:52,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1340651385, now seen corresponding path program 1 times [2024-11-28 04:59:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:52,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671885522] [2024-11-28 04:59:52,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:53,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671885522] [2024-11-28 04:59:53,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671885522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:53,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:53,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:59:53,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554669726] [2024-11-28 04:59:53,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:53,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:59:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:53,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:59:53,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:59:53,071 INFO L87 Difference]: Start difference. First operand 311 states and 388 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:53,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:53,209 INFO L93 Difference]: Finished difference Result 561 states and 714 transitions. [2024-11-28 04:59:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:53,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 69 [2024-11-28 04:59:53,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:53,215 INFO L225 Difference]: With dead ends: 561 [2024-11-28 04:59:53,217 INFO L226 Difference]: Without dead ends: 257 [2024-11-28 04:59:53,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:59:53,220 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 86 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:53,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 314 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:59:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-28 04:59:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-28 04:59:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 205 states have (on average 1.224390243902439) internal successors, (251), 219 states have internal predecessors, (251), 23 states have call successors, (23), 23 states have call predecessors, (23), 28 states have return successors, (40), 25 states have call predecessors, (40), 23 states have call successors, (40) [2024-11-28 04:59:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 314 transitions. [2024-11-28 04:59:53,287 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 314 transitions. Word has length 69 [2024-11-28 04:59:53,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:53,288 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 314 transitions. [2024-11-28 04:59:53,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:59:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 314 transitions. [2024-11-28 04:59:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:59:53,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:53,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:53,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:59:53,294 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:53,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash 619617647, now seen corresponding path program 1 times [2024-11-28 04:59:53,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:53,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788467383] [2024-11-28 04:59:53,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:59:53,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:53,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788467383] [2024-11-28 04:59:53,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788467383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:53,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:53,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:53,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118940043] [2024-11-28 04:59:53,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:53,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:53,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:53,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:53,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:53,491 INFO L87 Difference]: Start difference. First operand 257 states and 314 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:59:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:53,546 INFO L93 Difference]: Finished difference Result 473 states and 586 transitions. [2024-11-28 04:59:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:53,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 73 [2024-11-28 04:59:53,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:53,550 INFO L225 Difference]: With dead ends: 473 [2024-11-28 04:59:53,550 INFO L226 Difference]: Without dead ends: 263 [2024-11-28 04:59:53,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:53,553 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:53,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 329 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-28 04:59:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2024-11-28 04:59:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 211 states have (on average 1.2180094786729858) internal successors, (257), 225 states have internal predecessors, (257), 23 states have call successors, (23), 23 states have call predecessors, (23), 28 states have return successors, (40), 25 states have call predecessors, (40), 23 states have call successors, (40) [2024-11-28 04:59:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 320 transitions. [2024-11-28 04:59:53,591 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 320 transitions. Word has length 73 [2024-11-28 04:59:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:53,592 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 320 transitions. [2024-11-28 04:59:53,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:59:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 320 transitions. [2024-11-28 04:59:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:59:53,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:53,595 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:53,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:59:53,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:53,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash 877783085, now seen corresponding path program 1 times [2024-11-28 04:59:53,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:53,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42085147] [2024-11-28 04:59:53,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:53,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:59:53,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42085147] [2024-11-28 04:59:53,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42085147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:53,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:53,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:53,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942350896] [2024-11-28 04:59:53,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:53,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:53,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:53,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:53,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:53,762 INFO L87 Difference]: Start difference. First operand 263 states and 320 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:59:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:53,847 INFO L93 Difference]: Finished difference Result 265 states and 321 transitions. [2024-11-28 04:59:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 73 [2024-11-28 04:59:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:53,852 INFO L225 Difference]: With dead ends: 265 [2024-11-28 04:59:53,853 INFO L226 Difference]: Without dead ends: 263 [2024-11-28 04:59:53,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:59:53,855 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 62 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:53,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 295 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-28 04:59:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2024-11-28 04:59:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 211 states have (on average 1.2085308056872037) internal successors, (255), 225 states have internal predecessors, (255), 23 states have call successors, (23), 23 states have call predecessors, (23), 28 states have return successors, (40), 25 states have call predecessors, (40), 23 states have call successors, (40) [2024-11-28 04:59:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 318 transitions. [2024-11-28 04:59:53,890 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 318 transitions. Word has length 73 [2024-11-28 04:59:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:53,891 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 318 transitions. [2024-11-28 04:59:53,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:59:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 318 transitions. [2024-11-28 04:59:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 04:59:53,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:53,897 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:53,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:59:53,898 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:53,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:53,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1633947599, now seen corresponding path program 1 times [2024-11-28 04:59:53,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:53,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296556400] [2024-11-28 04:59:53,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:53,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:59:54,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:54,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296556400] [2024-11-28 04:59:54,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296556400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:54,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811541478] [2024-11-28 04:59:54,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:54,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:54,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:59:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:54,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:59:54,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:54,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:54,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811541478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:54,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:54,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-28 04:59:54,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853292982] [2024-11-28 04:59:54,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:54,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:54,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:54,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:54,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:59:54,383 INFO L87 Difference]: Start difference. First operand 263 states and 318 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:59:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:54,685 INFO L93 Difference]: Finished difference Result 520 states and 647 transitions. [2024-11-28 04:59:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:59:54,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 84 [2024-11-28 04:59:54,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:54,688 INFO L225 Difference]: With dead ends: 520 [2024-11-28 04:59:54,689 INFO L226 Difference]: Without dead ends: 304 [2024-11-28 04:59:54,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:59:54,690 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 125 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:54,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 281 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:54,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-28 04:59:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 302. [2024-11-28 04:59:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 242 states have (on average 1.2107438016528926) internal successors, (293), 258 states have internal predecessors, (293), 28 states have call successors, (28), 27 states have call predecessors, (28), 31 states have return successors, (49), 29 states have call predecessors, (49), 28 states have call successors, (49) [2024-11-28 04:59:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 370 transitions. [2024-11-28 04:59:54,722 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 370 transitions. Word has length 84 [2024-11-28 04:59:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:54,722 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 370 transitions. [2024-11-28 04:59:54,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:59:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 370 transitions. [2024-11-28 04:59:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 04:59:54,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:54,725 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:54,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:59:54,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:54,929 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:54,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:54,930 INFO L85 PathProgramCache]: Analyzing trace with hash 528814667, now seen corresponding path program 1 times [2024-11-28 04:59:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:54,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818505103] [2024-11-28 04:59:54,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:59:55,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:55,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818505103] [2024-11-28 04:59:55,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818505103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:55,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073767146] [2024-11-28 04:59:55,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:55,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:55,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:59:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:55,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:59:55,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:55,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:59:55,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073767146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:59:55,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:59:55,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-28 04:59:55,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137152500] [2024-11-28 04:59:55,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:59:55,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:59:55,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:55,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:59:55,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:59:55,712 INFO L87 Difference]: Start difference. First operand 302 states and 370 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:59:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:55,918 INFO L93 Difference]: Finished difference Result 662 states and 855 transitions. [2024-11-28 04:59:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:59:55,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-28 04:59:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:55,923 INFO L225 Difference]: With dead ends: 662 [2024-11-28 04:59:55,923 INFO L226 Difference]: Without dead ends: 409 [2024-11-28 04:59:55,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:59:55,925 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 76 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:55,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 473 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:59:55,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-28 04:59:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 360. [2024-11-28 04:59:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 287 states have (on average 1.2125435540069687) internal successors, (348), 307 states have internal predecessors, (348), 34 states have call successors, (34), 33 states have call predecessors, (34), 38 states have return successors, (61), 32 states have call predecessors, (61), 34 states have call successors, (61) [2024-11-28 04:59:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 443 transitions. [2024-11-28 04:59:55,973 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 443 transitions. Word has length 80 [2024-11-28 04:59:55,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:55,974 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 443 transitions. [2024-11-28 04:59:55,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:59:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 443 transitions. [2024-11-28 04:59:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:59:55,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:55,978 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:55,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:59:56,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:59:56,183 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:56,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash 557446684, now seen corresponding path program 2 times [2024-11-28 04:59:56,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:56,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777608361] [2024-11-28 04:59:56,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:59:56,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:56,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:59:56,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:59:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 04:59:56,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:56,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777608361] [2024-11-28 04:59:56,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777608361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:56,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:56,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169154403] [2024-11-28 04:59:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:56,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:56,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:56,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:56,503 INFO L87 Difference]: Start difference. First operand 360 states and 443 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:59:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:56,635 INFO L93 Difference]: Finished difference Result 823 states and 1044 transitions. [2024-11-28 04:59:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:56,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 114 [2024-11-28 04:59:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:56,641 INFO L225 Difference]: With dead ends: 823 [2024-11-28 04:59:56,641 INFO L226 Difference]: Without dead ends: 511 [2024-11-28 04:59:56,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:56,644 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:56,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 288 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:59:56,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-28 04:59:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 497. [2024-11-28 04:59:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 391 states have (on average 1.207161125319693) internal successors, (472), 414 states have internal predecessors, (472), 52 states have call successors, (52), 51 states have call predecessors, (52), 53 states have return successors, (84), 47 states have call predecessors, (84), 52 states have call successors, (84) [2024-11-28 04:59:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 608 transitions. [2024-11-28 04:59:56,722 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 608 transitions. Word has length 114 [2024-11-28 04:59:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:56,723 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 608 transitions. [2024-11-28 04:59:56,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:59:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 608 transitions. [2024-11-28 04:59:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:59:56,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:56,726 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:56,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:59:56,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:56,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:56,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1001347358, now seen corresponding path program 1 times [2024-11-28 04:59:56,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:56,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31997146] [2024-11-28 04:59:56,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:56,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 04:59:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:56,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31997146] [2024-11-28 04:59:56,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31997146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:56,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:56,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274463531] [2024-11-28 04:59:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:56,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:56,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:56,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:56,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:56,908 INFO L87 Difference]: Start difference. First operand 497 states and 608 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:59:56,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:56,980 INFO L93 Difference]: Finished difference Result 700 states and 849 transitions. [2024-11-28 04:59:56,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:56,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 114 [2024-11-28 04:59:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:56,982 INFO L225 Difference]: With dead ends: 700 [2024-11-28 04:59:56,982 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:59:56,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:56,985 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:56,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:56,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:59:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:59:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:59:56,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2024-11-28 04:59:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:56,987 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:59:56,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:59:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:59:56,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:59:56,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:59:56,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:59:56,994 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:56,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:59:58,809 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:59:58,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:59:58 BoogieIcfgContainer [2024-11-28 04:59:58,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:59:58,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:59:58,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:59:58,831 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:59:58,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50" (3/4) ... [2024-11-28 04:59:58,835 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:59:58,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-28 04:59:58,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 04:59:58,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 04:59:58,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 04:59:58,842 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:59:58,842 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 04:59:58,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-28 04:59:58,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:59:58,854 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:59:58,854 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:59:58,854 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:59:58,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:59:58,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:59:58,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:59:58,981 INFO L158 Benchmark]: Toolchain (without parser) took 10176.12ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.6MB in the beginning and 81.8MB in the end (delta: 9.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-28 04:59:58,982 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:58,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.93ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.3MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:59:58,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.80ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:59:58,983 INFO L158 Benchmark]: Boogie Preprocessor took 83.32ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:58,983 INFO L158 Benchmark]: RCFGBuilder took 601.10ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 51.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:59:58,983 INFO L158 Benchmark]: TraceAbstraction took 8570.72ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 51.1MB in the beginning and 88.7MB in the end (delta: -37.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-28 04:59:58,984 INFO L158 Benchmark]: Witness Printer took 149.72ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 81.8MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:58,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.93ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.3MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.80ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.32ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.10ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 51.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8570.72ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 51.1MB in the beginning and 88.7MB in the end (delta: -37.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 149.72ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 81.8MB in the end (delta: 6.9MB). There was no memory consumed. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 449]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 897 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 3569 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2442 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 537 IncrementalHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 1127 mSDtfsCounter, 537 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 268 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=11, InterpolantAutomatonStates: 65, 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, 12 MinimizatonAttempts, 75 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1022 ConstructedInterpolants, 0 QuantifiedInterpolants, 1602 SizeOfPredicates, 2 NumberOfNonLiveVariables, 581 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 300/320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 04:59:59,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958a81fc-29ed-4e8f-b719-c5d83455d1d0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE