./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/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_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/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_092c4552-2772-4cb8-bc97-19126457222b/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 d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:29:27,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:29:27,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:29:27,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:29:27,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:29:27,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:29:27,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:29:27,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:29:27,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:29:27,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:29:27,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:29:27,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:29:27,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:29:27,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:29:27,246 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:29:27,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:29:27,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:29:27,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:29:27,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:29:27,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:29:27,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:29:27,248 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:29:27,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:29:27,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:29:27,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:29:27,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:29:27,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:29:27,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:29:27,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:29:27,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:29:27,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:29:27,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:29:27,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:29:27,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:29:27,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:29:27,251 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:29:27,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:29:27,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:29:27,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:29:27,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:29:27,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:29:27,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:29:27,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:29:27,252 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_092c4552-2772-4cb8-bc97-19126457222b/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 -> d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 [2024-11-28 04:29:27,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:29:27,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:29:27,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:29:27,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:29:27,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:29:27,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2024-11-28 04:29:31,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/data/7290a5f44/25ff915bd1bc468c9bf91f46d6a5e72b/FLAG3f81500f8 [2024-11-28 04:29:31,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:29:31,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2024-11-28 04:29:31,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/data/7290a5f44/25ff915bd1bc468c9bf91f46d6a5e72b/FLAG3f81500f8 [2024-11-28 04:29:31,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/data/7290a5f44/25ff915bd1bc468c9bf91f46d6a5e72b [2024-11-28 04:29:31,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:29:31,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:29:31,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:29:31,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:29:31,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:29:31,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:29:31" (1/1) ... [2024-11-28 04:29:31,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40e423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:31, skipping insertion in model container [2024-11-28 04:29:31,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:29:31" (1/1) ... [2024-11-28 04:29:32,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:29:32,317 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_092c4552-2772-4cb8-bc97-19126457222b/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2024-11-28 04:29:32,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:29:32,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:29:32,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-28 04:29:32,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] [2024-11-28 04:29:32,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-11-28 04:29:32,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2024-11-28 04:29:32,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] [2024-11-28 04:29:32,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-11-28 04:29:32,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] [2024-11-28 04:29:32,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908] [2024-11-28 04:29:32,483 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_092c4552-2772-4cb8-bc97-19126457222b/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2024-11-28 04:29:32,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:29:32,524 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:29:32,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32 WrapperNode [2024-11-28 04:29:32,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:29:32,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:29:32,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:29:32,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:29:32,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,577 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 206 [2024-11-28 04:29:32,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:29:32,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:29:32,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:29:32,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:29:32,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,614 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 04:29:32,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,628 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:29:32,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:29:32,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:29:32,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:29:32,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (1/1) ... [2024-11-28 04:29:32,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:29:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:32,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:29:32,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:29:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:29:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 04:29:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 04:29:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 04:29:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 04:29:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 04:29:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 04:29:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:29:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:29:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 04:29:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 04:29:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:29:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 04:29:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 04:29:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:29:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:29:32,885 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:29:32,890 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:29:33,398 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-28 04:29:33,398 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:29:33,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:29:33,421 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:29:33,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:29:33 BoogieIcfgContainer [2024-11-28 04:29:33,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:29:33,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:29:33,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:29:33,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:29:33,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:29:31" (1/3) ... [2024-11-28 04:29:33,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d259bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:29:33, skipping insertion in model container [2024-11-28 04:29:33,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:29:32" (2/3) ... [2024-11-28 04:29:33,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d259bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:29:33, skipping insertion in model container [2024-11-28 04:29:33,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:29:33" (3/3) ... [2024-11-28 04:29:33,439 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2024-11-28 04:29:33,459 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:29:33,462 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product50.cil.c that has 7 procedures, 81 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 04:29:33,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:29:33,582 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;@437a9160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:29:33,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:29:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 71 states have internal predecessors, (89), 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 04:29:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:29:33,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:33,605 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 04:29:33,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:33,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2006525426, now seen corresponding path program 1 times [2024-11-28 04:29:33,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:33,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665469454] [2024-11-28 04:29:33,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:33,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:33,997 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 04:29:33,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:33,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665469454] [2024-11-28 04:29:33,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665469454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:33,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:33,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:29:34,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465122899] [2024-11-28 04:29:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:34,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:29:34,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:34,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:29:34,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:29:34,032 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 71 states have internal predecessors, (89), 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 04:29:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:34,069 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2024-11-28 04:29:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:29:34,072 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 04:29:34,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:34,081 INFO L225 Difference]: With dead ends: 142 [2024-11-28 04:29:34,081 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:29:34,085 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 04:29:34,089 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 156 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 04:29:34,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:29:34,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:29:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 58 states have internal predecessors, (69), 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 04:29:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2024-11-28 04:29:34,137 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 19 [2024-11-28 04:29:34,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:34,138 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2024-11-28 04:29:34,138 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 04:29:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2024-11-28 04:29:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 04:29:34,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:34,140 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 04:29:34,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:29:34,141 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:34,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:34,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1854286887, now seen corresponding path program 1 times [2024-11-28 04:29:34,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:34,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000007139] [2024-11-28 04:29:34,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:34,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:34,379 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 04:29:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:34,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000007139] [2024-11-28 04:29:34,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000007139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:34,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:34,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:34,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773325623] [2024-11-28 04:29:34,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:34,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:34,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:34,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:34,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:34,385 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 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 04:29:34,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:34,482 INFO L93 Difference]: Finished difference Result 121 states and 160 transitions. [2024-11-28 04:29:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:34,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 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 04:29:34,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:34,486 INFO L225 Difference]: With dead ends: 121 [2024-11-28 04:29:34,489 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:29:34,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:34,491 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 77 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:34,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 235 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:29:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:29:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 58 states have internal predecessors, (68), 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 04:29:34,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-11-28 04:29:34,519 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 24 [2024-11-28 04:29:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:34,520 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-11-28 04:29:34,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 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 04:29:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-11-28 04:29:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:29:34,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:34,521 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 04:29:34,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:29:34,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:34,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 245443089, now seen corresponding path program 1 times [2024-11-28 04:29:34,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:34,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162081108] [2024-11-28 04:29:34,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:34,741 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 04:29:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162081108] [2024-11-28 04:29:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162081108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:34,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:34,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:34,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443192483] [2024-11-28 04:29:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:34,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:34,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:34,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:34,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:34,747 INFO L87 Difference]: Start difference. First operand 64 states and 82 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 04:29:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:35,073 INFO L93 Difference]: Finished difference Result 183 states and 235 transitions. [2024-11-28 04:29:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:29:35,074 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 04:29:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:35,076 INFO L225 Difference]: With dead ends: 183 [2024-11-28 04:29:35,076 INFO L226 Difference]: Without dead ends: 126 [2024-11-28 04:29:35,080 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 04:29:35,081 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 164 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:35,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 253 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:29:35,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-28 04:29:35,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2024-11-28 04:29:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 96 states have (on average 1.28125) internal successors, (123), 103 states have internal predecessors, (123), 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 04:29:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 148 transitions. [2024-11-28 04:29:35,116 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 148 transitions. Word has length 34 [2024-11-28 04:29:35,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:35,119 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 148 transitions. [2024-11-28 04:29:35,119 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 04:29:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 148 transitions. [2024-11-28 04:29:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:29:35,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:35,121 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] [2024-11-28 04:29:35,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:29:35,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:35,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash 133304180, now seen corresponding path program 1 times [2024-11-28 04:29:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:35,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730226525] [2024-11-28 04:29:35,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:35,289 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 04:29:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730226525] [2024-11-28 04:29:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730226525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:35,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:35,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:35,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661252639] [2024-11-28 04:29:35,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:35,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:35,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:35,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:35,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:35,292 INFO L87 Difference]: Start difference. First operand 120 states and 148 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:35,369 INFO L93 Difference]: Finished difference Result 236 states and 296 transitions. [2024-11-28 04:29:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:35,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-28 04:29:35,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:35,375 INFO L225 Difference]: With dead ends: 236 [2024-11-28 04:29:35,375 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 04:29:35,376 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 04:29:35,381 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 310 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 04:29:35,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 04:29:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-28 04:29:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.2727272727272727) internal successors, (126), 106 states have internal predecessors, (126), 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 04:29:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 151 transitions. [2024-11-28 04:29:35,470 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 151 transitions. Word has length 38 [2024-11-28 04:29:35,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:35,470 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 151 transitions. [2024-11-28 04:29:35,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 151 transitions. [2024-11-28 04:29:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:29:35,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:35,476 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] [2024-11-28 04:29:35,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:29:35,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:35,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash -877813070, now seen corresponding path program 1 times [2024-11-28 04:29:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:35,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481142866] [2024-11-28 04:29:35,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:35,644 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 04:29:35,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:35,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481142866] [2024-11-28 04:29:35,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481142866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:35,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:35,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:29:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411088934] [2024-11-28 04:29:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:35,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:35,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:35,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:35,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:35,647 INFO L87 Difference]: Start difference. First operand 123 states and 151 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:35,693 INFO L93 Difference]: Finished difference Result 241 states and 304 transitions. [2024-11-28 04:29:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:29:35,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-28 04:29:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:35,699 INFO L225 Difference]: With dead ends: 241 [2024-11-28 04:29:35,699 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 04:29:35,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:35,702 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:35,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:35,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 04:29:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-28 04:29:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 101 states have (on average 1.2673267326732673) internal successors, (128), 108 states have internal predecessors, (128), 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 04:29:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 153 transitions. [2024-11-28 04:29:35,730 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 153 transitions. Word has length 38 [2024-11-28 04:29:35,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:35,730 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 153 transitions. [2024-11-28 04:29:35,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 153 transitions. [2024-11-28 04:29:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:29:35,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:35,736 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] [2024-11-28 04:29:35,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:29:35,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:35,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:35,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1898881424, now seen corresponding path program 1 times [2024-11-28 04:29:35,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:35,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891160319] [2024-11-28 04:29:35,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:35,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:35,891 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 04:29:35,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:35,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891160319] [2024-11-28 04:29:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891160319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:35,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:29:35,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168439619] [2024-11-28 04:29:35,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:35,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:35,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:35,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:35,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:35,896 INFO L87 Difference]: Start difference. First operand 125 states and 153 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:36,048 INFO L93 Difference]: Finished difference Result 388 states and 495 transitions. [2024-11-28 04:29:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:29:36,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-28 04:29:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:36,056 INFO L225 Difference]: With dead ends: 388 [2024-11-28 04:29:36,056 INFO L226 Difference]: Without dead ends: 270 [2024-11-28 04:29:36,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:36,059 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 106 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:36,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 268 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:29:36,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-28 04:29:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 169. [2024-11-28 04:29:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 144 states have internal predecessors, (169), 15 states have call successors, (15), 15 states have call predecessors, (15), 18 states have return successors, (21), 15 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-28 04:29:36,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 205 transitions. [2024-11-28 04:29:36,102 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 205 transitions. Word has length 38 [2024-11-28 04:29:36,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:36,102 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 205 transitions. [2024-11-28 04:29:36,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:29:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 205 transitions. [2024-11-28 04:29:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 04:29:36,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:36,104 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 04:29:36,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:29:36,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:36,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:36,105 INFO L85 PathProgramCache]: Analyzing trace with hash 768418953, now seen corresponding path program 1 times [2024-11-28 04:29:36,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:36,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073531118] [2024-11-28 04:29:36,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:36,348 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 04:29:36,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073531118] [2024-11-28 04:29:36,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073531118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:36,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:36,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:29:36,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041410866] [2024-11-28 04:29:36,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:36,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:29:36,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:36,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:29:36,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:29:36,352 INFO L87 Difference]: Start difference. First operand 169 states and 205 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 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 04:29:36,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:36,654 INFO L93 Difference]: Finished difference Result 418 states and 532 transitions. [2024-11-28 04:29:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:29:36,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 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 04:29:36,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:36,660 INFO L225 Difference]: With dead ends: 418 [2024-11-28 04:29:36,663 INFO L226 Difference]: Without dead ends: 256 [2024-11-28 04:29:36,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:29:36,665 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 106 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:36,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 518 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:29:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-28 04:29:36,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2024-11-28 04:29:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 200 states have (on average 1.225) internal successors, (245), 213 states have internal predecessors, (245), 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 04:29:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 308 transitions. [2024-11-28 04:29:36,715 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 308 transitions. Word has length 40 [2024-11-28 04:29:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:36,716 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 308 transitions. [2024-11-28 04:29:36,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 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 04:29:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 308 transitions. [2024-11-28 04:29:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:29:36,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:36,719 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] [2024-11-28 04:29:36,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:29:36,720 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:36,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash 274888799, now seen corresponding path program 1 times [2024-11-28 04:29:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055645613] [2024-11-28 04:29:36,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:36,898 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 04:29:36,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:36,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055645613] [2024-11-28 04:29:36,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055645613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:36,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:36,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:36,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657416209] [2024-11-28 04:29:36,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:36,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:36,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:36,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:36,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:36,904 INFO L87 Difference]: Start difference. First operand 252 states and 308 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 04:29:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:36,993 INFO L93 Difference]: Finished difference Result 463 states and 574 transitions. [2024-11-28 04:29:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:36,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 69 [2024-11-28 04:29:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:36,996 INFO L225 Difference]: With dead ends: 463 [2024-11-28 04:29:36,996 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 04:29:37,001 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 04:29:37,002 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 309 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 04:29:37,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 309 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 04:29:37,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-28 04:29:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 206 states have (on average 1.2184466019417475) 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 04:29:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 314 transitions. [2024-11-28 04:29:37,060 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 314 transitions. Word has length 69 [2024-11-28 04:29:37,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:37,060 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 314 transitions. [2024-11-28 04:29:37,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 04:29:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2024-11-28 04:29:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:29:37,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:37,067 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] [2024-11-28 04:29:37,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:29:37,068 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:37,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:37,069 INFO L85 PathProgramCache]: Analyzing trace with hash 533054237, now seen corresponding path program 1 times [2024-11-28 04:29:37,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:37,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51841386] [2024-11-28 04:29:37,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:37,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:37,242 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 04:29:37,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:37,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51841386] [2024-11-28 04:29:37,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51841386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:37,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:37,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:37,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266540773] [2024-11-28 04:29:37,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:37,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:37,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:37,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:37,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:37,245 INFO L87 Difference]: Start difference. First operand 258 states and 314 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 04:29:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:37,354 INFO L93 Difference]: Finished difference Result 260 states and 315 transitions. [2024-11-28 04:29:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 69 [2024-11-28 04:29:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:37,358 INFO L225 Difference]: With dead ends: 260 [2024-11-28 04:29:37,358 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 04:29:37,358 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 04:29:37,361 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 57 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 282 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 04:29:37,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 282 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:37,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 04:29:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-28 04:29:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 206 states have (on average 1.2087378640776698) internal successors, (249), 219 states have internal predecessors, (249), 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 04:29:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 312 transitions. [2024-11-28 04:29:37,415 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 312 transitions. Word has length 69 [2024-11-28 04:29:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:37,417 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 312 transitions. [2024-11-28 04:29:37,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 04:29:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 312 transitions. [2024-11-28 04:29:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 04:29:37,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:37,421 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] [2024-11-28 04:29:37,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:29:37,421 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:37,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash 437019611, now seen corresponding path program 1 times [2024-11-28 04:29:37,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:37,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577876355] [2024-11-28 04:29:37,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:37,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:37,814 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 04:29:37,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:37,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577876355] [2024-11-28 04:29:37,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577876355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:29:37,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838267710] [2024-11-28 04:29:37,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:37,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:37,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:37,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:37,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:29:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:37,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:29:37,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:38,194 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 04:29:38,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:29:38,420 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 04:29:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838267710] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:29:38,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:29:38,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 04:29:38,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488442527] [2024-11-28 04:29:38,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:29:38,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:29:38,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:38,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:29:38,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:29:38,423 INFO L87 Difference]: Start difference. First operand 258 states and 312 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 04:29:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:38,721 INFO L93 Difference]: Finished difference Result 564 states and 734 transitions. [2024-11-28 04:29:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:29:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 76 [2024-11-28 04:29:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:38,725 INFO L225 Difference]: With dead ends: 564 [2024-11-28 04:29:38,725 INFO L226 Difference]: Without dead ends: 353 [2024-11-28 04:29:38,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:29:38,727 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 75 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:38,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 683 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:29:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-28 04:29:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 322. [2024-11-28 04:29:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 253 states have (on average 1.2173913043478262) internal successors, (308), 269 states have internal predecessors, (308), 33 states have call successors, (33), 33 states have call predecessors, (33), 35 states have return successors, (58), 31 states have call predecessors, (58), 33 states have call successors, (58) [2024-11-28 04:29:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 399 transitions. [2024-11-28 04:29:38,779 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 399 transitions. Word has length 76 [2024-11-28 04:29:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:38,780 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 399 transitions. [2024-11-28 04:29:38,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 04:29:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 399 transitions. [2024-11-28 04:29:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:29:38,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:38,783 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] [2024-11-28 04:29:38,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:29:38,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:38,984 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:38,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:38,985 INFO L85 PathProgramCache]: Analyzing trace with hash 977951660, now seen corresponding path program 2 times [2024-11-28 04:29:38,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:38,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441819441] [2024-11-28 04:29:38,986 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:29:38,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:39,024 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:29:39,025 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:29:39,365 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 04:29:39,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441819441] [2024-11-28 04:29:39,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441819441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:39,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:39,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:39,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103777485] [2024-11-28 04:29:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:39,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:39,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:39,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:39,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:39,368 INFO L87 Difference]: Start difference. First operand 322 states and 399 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 04:29:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:39,647 INFO L93 Difference]: Finished difference Result 767 states and 978 transitions. [2024-11-28 04:29:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:29:39,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 110 [2024-11-28 04:29:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:39,656 INFO L225 Difference]: With dead ends: 767 [2024-11-28 04:29:39,660 INFO L226 Difference]: Without dead ends: 491 [2024-11-28 04:29:39,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:39,662 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 44 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:39,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 413 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:29:39,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-28 04:29:39,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 477. [2024-11-28 04:29:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 374 states have (on average 1.2085561497326203) internal successors, (452), 394 states have internal predecessors, (452), 51 states have call successors, (51), 51 states have call predecessors, (51), 51 states have return successors, (82), 46 states have call predecessors, (82), 51 states have call successors, (82) [2024-11-28 04:29:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 585 transitions. [2024-11-28 04:29:39,777 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 585 transitions. Word has length 110 [2024-11-28 04:29:39,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:39,777 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 585 transitions. [2024-11-28 04:29:39,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 04:29:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 585 transitions. [2024-11-28 04:29:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:29:39,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:39,781 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] [2024-11-28 04:29:39,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:29:39,781 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:39,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:39,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1421852334, now seen corresponding path program 1 times [2024-11-28 04:29:39,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:39,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123247549] [2024-11-28 04:29:39,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:39,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:39,966 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 04:29:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123247549] [2024-11-28 04:29:39,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123247549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:39,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886034365] [2024-11-28 04:29:39,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:39,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:39,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:39,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:39,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:39,969 INFO L87 Difference]: Start difference. First operand 477 states and 585 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 04:29:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:40,044 INFO L93 Difference]: Finished difference Result 675 states and 820 transitions. [2024-11-28 04:29:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:40,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 110 [2024-11-28 04:29:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:40,046 INFO L225 Difference]: With dead ends: 675 [2024-11-28 04:29:40,046 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:29:40,048 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 04:29:40,050 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 288 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 04:29:40,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 288 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:40,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:29:40,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:29:40,051 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 04:29:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:29:40,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2024-11-28 04:29:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:40,052 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:29:40,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 04:29:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:29:40,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:29:40,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:29:40,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:29:40,061 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:40,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:29:42,817 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:29:42,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:29:42 BoogieIcfgContainer [2024-11-28 04:29:42,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:29:42,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:29:42,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:29:42,843 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:29:42,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:29:33" (3/4) ... [2024-11-28 04:29:42,847 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:29:42,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-28 04:29:42,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 04:29:42,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 04:29:42,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 04:29:42,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-28 04:29:42,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 04:29:42,865 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-28 04:29:42,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:29:42,867 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:29:42,867 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:29:42,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:29:42,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:29:42,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:29:42,995 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:29:42,996 INFO L158 Benchmark]: Toolchain (without parser) took 11051.27ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.6MB in the beginning and 59.3MB in the end (delta: 33.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-28 04:29:42,996 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:29:42,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.73ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 73.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:29:42,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.94ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:29:42,997 INFO L158 Benchmark]: Boogie Preprocessor took 75.36ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:29:42,998 INFO L158 Benchmark]: RCFGBuilder took 766.99ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:29:42,998 INFO L158 Benchmark]: TraceAbstraction took 9414.71ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 53.0MB in the beginning and 66.0MB in the end (delta: -12.9MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-28 04:29:42,999 INFO L158 Benchmark]: Witness Printer took 152.05ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 59.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:29:43,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.73ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 73.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.94ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.36ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 766.99ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9414.71ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 53.0MB in the beginning and 66.0MB in the end (delta: -12.9MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 152.05ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 59.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"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,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [908] * 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: 553]: 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, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 647 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 642 mSDsluCounter, 3949 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2828 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 532 IncrementalHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 1121 mSDtfsCounter, 532 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 175 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=11, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326 SizeOfPredicates, 2 NumberOfNonLiveVariables, 269 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 222/240 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: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (splverifierCounter == 0)) && (1 <= waterLevel)) && (0 != systemActive)) || (((2 <= waterLevel) && (splverifierCounter == 0)) && (0 != systemActive))) - InvariantResult [Line: 918]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 04:29:43,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_092c4552-2772-4cb8-bc97-19126457222b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE