./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC --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 bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:41:49,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:41:49,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:41:49,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:41:49,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:41:49,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:41:49,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:41:49,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:41:49,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:41:49,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:41:49,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:41:49,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:41:49,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:41:49,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:41:49,215 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:41:49,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:41:49,217 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:41:49,218 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:49,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:49,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:49,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:41:49,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:41:49,219 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_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC 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 -> bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 [2024-11-24 01:41:49,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:41:49,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:41:49,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:41:49,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:41:49,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:41:49,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2024-11-24 01:41:52,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/data/e3d79a52a/b52c0132c7534849bc57f235903d6256/FLAGd5f8afbec [2024-11-24 01:41:53,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:41:53,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2024-11-24 01:41:53,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/data/e3d79a52a/b52c0132c7534849bc57f235903d6256/FLAGd5f8afbec [2024-11-24 01:41:53,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/data/e3d79a52a/b52c0132c7534849bc57f235903d6256 [2024-11-24 01:41:53,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:41:53,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:41:53,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:53,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:41:53,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:41:53,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ec38d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53, skipping insertion in model container [2024-11-24 01:41:53,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:41:53,582 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_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2024-11-24 01:41:53,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:53,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:41:53,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-24 01:41:53,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-24 01:41:53,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] [2024-11-24 01:41:53,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] [2024-11-24 01:41:53,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] [2024-11-24 01:41:53,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] [2024-11-24 01:41:53,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] [2024-11-24 01:41:53,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] [2024-11-24 01:41:53,693 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_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2024-11-24 01:41:53,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:53,729 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:41:53,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53 WrapperNode [2024-11-24 01:41:53,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:53,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:53,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:41:53,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:41:53,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,798 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 230 [2024-11-24 01:41:53,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:53,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:41:53,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:41:53,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:41:53,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,838 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]. [2024-11-24 01:41:53,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:41:53,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:41:53,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:41:53,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:41:53,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (1/1) ... [2024-11-24 01:41:53,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:53,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:53,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:41:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:41:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-24 01:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-24 01:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-24 01:41:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-24 01:41:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-24 01:41:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:41:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-24 01:41:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-24 01:41:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:41:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:41:54,029 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:41:54,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:41:54,337 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-24 01:41:54,337 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:41:54,350 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:41:54,350 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:41:54,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:54 BoogieIcfgContainer [2024-11-24 01:41:54,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:41:54,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:41:54,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:41:54,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:41:54,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:41:53" (1/3) ... [2024-11-24 01:41:54,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd19c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:54, skipping insertion in model container [2024-11-24 01:41:54,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:53" (2/3) ... [2024-11-24 01:41:54,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd19c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:54, skipping insertion in model container [2024-11-24 01:41:54,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:54" (3/3) ... [2024-11-24 01:41:54,362 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2024-11-24 01:41:54,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:41:54,378 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product54.cil.c that has 9 procedures, 94 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 01:41:54,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:41:54,461 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;@6fe1b290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:41:54,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:41:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.4) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:41:54,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:41:54,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:54,475 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:54,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:54,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:54,483 INFO L85 PathProgramCache]: Analyzing trace with hash -637508842, now seen corresponding path program 1 times [2024-11-24 01:41:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896151552] [2024-11-24 01:41:54,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:54,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:54,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:54,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896151552] [2024-11-24 01:41:54,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896151552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:54,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:54,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:41:54,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480860353] [2024-11-24 01:41:54,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:54,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:41:54,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:54,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:41:54,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:41:54,732 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.4) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 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) [2024-11-24 01:41:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:54,763 INFO L93 Difference]: Finished difference Result 180 states and 247 transitions. [2024-11-24 01:41:54,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:41:54,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 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 [2024-11-24 01:41:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:54,774 INFO L225 Difference]: With dead ends: 180 [2024-11-24 01:41:54,775 INFO L226 Difference]: Without dead ends: 85 [2024-11-24 01:41:54,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:41:54,782 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:54,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-24 01:41:54,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-24 01:41:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:41:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 111 transitions. [2024-11-24 01:41:54,831 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 111 transitions. Word has length 19 [2024-11-24 01:41:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:54,831 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 111 transitions. [2024-11-24 01:41:54,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 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) [2024-11-24 01:41:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 111 transitions. [2024-11-24 01:41:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:41:54,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:54,834 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:54,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:41:54,835 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:54,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:54,835 INFO L85 PathProgramCache]: Analyzing trace with hash -731353992, now seen corresponding path program 1 times [2024-11-24 01:41:54,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:54,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814480349] [2024-11-24 01:41:54,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:54,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:55,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:55,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814480349] [2024-11-24 01:41:55,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814480349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:55,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:55,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:41:55,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641021582] [2024-11-24 01:41:55,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:55,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:55,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:55,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:55,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:55,020 INFO L87 Difference]: Start difference. First operand 85 states and 111 transitions. 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) [2024-11-24 01:41:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:55,052 INFO L93 Difference]: Finished difference Result 137 states and 179 transitions. [2024-11-24 01:41:55,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:55,056 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 [2024-11-24 01:41:55,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:55,057 INFO L225 Difference]: With dead ends: 137 [2024-11-24 01:41:55,058 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 01:41:55,058 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 [2024-11-24 01:41:55,059 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 182 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 [2024-11-24 01:41:55,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 01:41:55,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-24 01:41:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 67 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:41:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2024-11-24 01:41:55,072 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 19 [2024-11-24 01:41:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:55,073 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2024-11-24 01:41:55,073 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) [2024-11-24 01:41:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2024-11-24 01:41:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 01:41:55,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:55,074 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] [2024-11-24 01:41:55,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:41:55,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:55,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1501700079, now seen corresponding path program 1 times [2024-11-24 01:41:55,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:55,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077177076] [2024-11-24 01:41:55,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:55,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:55,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077177076] [2024-11-24 01:41:55,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077177076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:55,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:55,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:41:55,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98305366] [2024-11-24 01:41:55,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:55,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:55,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:55,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:55,222 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:41:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:55,269 INFO L93 Difference]: Finished difference Result 147 states and 194 transitions. [2024-11-24 01:41:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:55,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-24 01:41:55,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:55,271 INFO L225 Difference]: With dead ends: 147 [2024-11-24 01:41:55,271 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 01:41:55,271 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 [2024-11-24 01:41:55,272 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:55,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 98 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:55,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 01:41:55,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-24 01:41:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 67 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:41:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2024-11-24 01:41:55,290 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 24 [2024-11-24 01:41:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:55,291 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2024-11-24 01:41:55,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:41:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2024-11-24 01:41:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-24 01:41:55,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:55,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:55,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:41:55,293 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:55,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1263948822, now seen corresponding path program 1 times [2024-11-24 01:41:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902573778] [2024-11-24 01:41:55,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:55,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:55,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902573778] [2024-11-24 01:41:55,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902573778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:55,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:55,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:41:55,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231555803] [2024-11-24 01:41:55,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:55,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:55,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:55,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:55,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:55,437 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:55,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:55,512 INFO L93 Difference]: Finished difference Result 189 states and 252 transitions. [2024-11-24 01:41:55,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:55,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-24 01:41:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:55,514 INFO L225 Difference]: With dead ends: 189 [2024-11-24 01:41:55,514 INFO L226 Difference]: Without dead ends: 119 [2024-11-24 01:41:55,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:55,516 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 55 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:55,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-24 01:41:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-11-24 01:41:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 89 states have (on average 1.303370786516854) internal successors, (116), 97 states have internal predecessors, (116), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-24 01:41:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 150 transitions. [2024-11-24 01:41:55,535 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 150 transitions. Word has length 33 [2024-11-24 01:41:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:55,535 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 150 transitions. [2024-11-24 01:41:55,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2024-11-24 01:41:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 01:41:55,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:55,539 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, 1, 1, 1] [2024-11-24 01:41:55,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:41:55,539 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:55,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash -804955529, now seen corresponding path program 1 times [2024-11-24 01:41:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:55,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501071157] [2024-11-24 01:41:55,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:55,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:55,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501071157] [2024-11-24 01:41:55,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501071157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:55,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:55,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:41:55,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952236446] [2024-11-24 01:41:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:55,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:41:55,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:55,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:41:55,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:41:55,719 INFO L87 Difference]: Start difference. First operand 117 states and 150 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:41:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:55,786 INFO L93 Difference]: Finished difference Result 230 states and 303 transitions. [2024-11-24 01:41:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:41:55,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-24 01:41:55,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:55,788 INFO L225 Difference]: With dead ends: 230 [2024-11-24 01:41:55,789 INFO L226 Difference]: Without dead ends: 120 [2024-11-24 01:41:55,793 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 [2024-11-24 01:41:55,794 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 378 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 [2024-11-24 01:41:55,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 378 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-24 01:41:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-24 01:41:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 100 states have internal predecessors, (119), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-24 01:41:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 153 transitions. [2024-11-24 01:41:55,827 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 153 transitions. Word has length 43 [2024-11-24 01:41:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:55,827 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 153 transitions. [2024-11-24 01:41:55,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:41:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2024-11-24 01:41:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 01:41:55,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:55,833 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, 1, 1, 1] [2024-11-24 01:41:55,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:41:55,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:55,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1826023883, now seen corresponding path program 1 times [2024-11-24 01:41:55,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:55,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615790932] [2024-11-24 01:41:55,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:55,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:55,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:55,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615790932] [2024-11-24 01:41:55,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615790932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:55,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:55,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:41:55,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895784745] [2024-11-24 01:41:55,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:55,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:41:55,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:55,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:41:55,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:41:55,974 INFO L87 Difference]: Start difference. First operand 120 states and 153 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:41:56,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:56,087 INFO L93 Difference]: Finished difference Result 235 states and 314 transitions. [2024-11-24 01:41:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:41:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-24 01:41:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:56,091 INFO L225 Difference]: With dead ends: 235 [2024-11-24 01:41:56,091 INFO L226 Difference]: Without dead ends: 122 [2024-11-24 01:41:56,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:41:56,093 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 96 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:56,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 282 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:56,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-24 01:41:56,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-24 01:41:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 102 states have internal predecessors, (121), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (20), 12 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-24 01:41:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 155 transitions. [2024-11-24 01:41:56,109 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 155 transitions. Word has length 43 [2024-11-24 01:41:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:56,110 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 155 transitions. [2024-11-24 01:41:56,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:41:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 155 transitions. [2024-11-24 01:41:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 01:41:56,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:56,111 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, 1, 1, 1] [2024-11-24 01:41:56,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:41:56,112 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:56,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:56,113 INFO L85 PathProgramCache]: Analyzing trace with hash 474798707, now seen corresponding path program 1 times [2024-11-24 01:41:56,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:56,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86984206] [2024-11-24 01:41:56,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:56,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:56,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86984206] [2024-11-24 01:41:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86984206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:56,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:56,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:41:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038850691] [2024-11-24 01:41:56,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:56,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:41:56,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:56,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:41:56,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:41:56,273 INFO L87 Difference]: Start difference. First operand 122 states and 155 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-24 01:41:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:56,442 INFO L93 Difference]: Finished difference Result 395 states and 523 transitions. [2024-11-24 01:41:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:41:56,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 43 [2024-11-24 01:41:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:56,445 INFO L225 Difference]: With dead ends: 395 [2024-11-24 01:41:56,449 INFO L226 Difference]: Without dead ends: 280 [2024-11-24 01:41:56,450 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 [2024-11-24 01:41:56,450 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 128 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:56,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 338 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:41:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-24 01:41:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 271. [2024-11-24 01:41:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 207 states have (on average 1.2705314009661837) internal successors, (263), 222 states have internal predecessors, (263), 32 states have call successors, (32), 30 states have call predecessors, (32), 31 states have return successors, (57), 29 states have call predecessors, (57), 32 states have call successors, (57) [2024-11-24 01:41:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 352 transitions. [2024-11-24 01:41:56,509 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 352 transitions. Word has length 43 [2024-11-24 01:41:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:56,510 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 352 transitions. [2024-11-24 01:41:56,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-24 01:41:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 352 transitions. [2024-11-24 01:41:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-24 01:41:56,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:56,512 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, 1, 1, 1, 1, 1] [2024-11-24 01:41:56,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:41:56,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:56,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash 213306648, now seen corresponding path program 1 times [2024-11-24 01:41:56,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:56,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925676651] [2024-11-24 01:41:56,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925676651] [2024-11-24 01:41:56,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925676651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:56,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:56,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:41:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989543099] [2024-11-24 01:41:56,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:56,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:41:56,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:56,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:41:56,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:41:56,670 INFO L87 Difference]: Start difference. First operand 271 states and 352 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:41:56,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:56,773 INFO L93 Difference]: Finished difference Result 533 states and 695 transitions. [2024-11-24 01:41:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:41:56,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-24 01:41:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:56,779 INFO L225 Difference]: With dead ends: 533 [2024-11-24 01:41:56,779 INFO L226 Difference]: Without dead ends: 269 [2024-11-24 01:41:56,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:41:56,785 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 35 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:56,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 364 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-24 01:41:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2024-11-24 01:41:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 205 states have (on average 1.2634146341463415) internal successors, (259), 220 states have internal predecessors, (259), 32 states have call successors, (32), 30 states have call predecessors, (32), 31 states have return successors, (57), 29 states have call predecessors, (57), 32 states have call successors, (57) [2024-11-24 01:41:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 348 transitions. [2024-11-24 01:41:56,860 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 348 transitions. Word has length 45 [2024-11-24 01:41:56,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:56,864 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 348 transitions. [2024-11-24 01:41:56,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-24 01:41:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 348 transitions. [2024-11-24 01:41:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 01:41:56,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:56,866 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:56,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:41:56,867 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:56,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:56,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1320263783, now seen corresponding path program 1 times [2024-11-24 01:41:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659306914] [2024-11-24 01:41:56,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:57,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659306914] [2024-11-24 01:41:57,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659306914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:57,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:57,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:41:57,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387556558] [2024-11-24 01:41:57,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:57,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:41:57,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:57,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:41:57,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:41:57,028 INFO L87 Difference]: Start difference. First operand 269 states and 348 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:41:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:57,159 INFO L93 Difference]: Finished difference Result 560 states and 761 transitions. [2024-11-24 01:41:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:41:57,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-24 01:41:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:57,163 INFO L225 Difference]: With dead ends: 560 [2024-11-24 01:41:57,165 INFO L226 Difference]: Without dead ends: 343 [2024-11-24 01:41:57,166 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 [2024-11-24 01:41:57,168 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 47 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:57,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 530 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:41:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-24 01:41:57,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-24 01:41:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 260 states have (on average 1.25) internal successors, (325), 277 states have internal predecessors, (325), 41 states have call successors, (41), 39 states have call predecessors, (41), 41 states have return successors, (83), 39 states have call predecessors, (83), 41 states have call successors, (83) [2024-11-24 01:41:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 449 transitions. [2024-11-24 01:41:57,225 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 449 transitions. Word has length 47 [2024-11-24 01:41:57,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:57,225 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 449 transitions. [2024-11-24 01:41:57,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:41:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 449 transitions. [2024-11-24 01:41:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-24 01:41:57,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:57,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:57,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:41:57,227 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:57,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:57,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1735106750, now seen corresponding path program 1 times [2024-11-24 01:41:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339745411] [2024-11-24 01:41:57,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:57,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:57,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339745411] [2024-11-24 01:41:57,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339745411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:57,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:57,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:41:57,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618989637] [2024-11-24 01:41:57,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:57,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:41:57,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:57,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:41:57,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:41:57,414 INFO L87 Difference]: Start difference. First operand 343 states and 449 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:41:57,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:57,757 INFO L93 Difference]: Finished difference Result 367 states and 479 transitions. [2024-11-24 01:41:57,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:41:57,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-24 01:41:57,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:57,761 INFO L225 Difference]: With dead ends: 367 [2024-11-24 01:41:57,765 INFO L226 Difference]: Without dead ends: 365 [2024-11-24 01:41:57,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:41:57,766 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 105 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:57,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 306 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:41:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-24 01:41:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-24 01:41:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 278 states have (on average 1.2338129496402879) internal successors, (343), 295 states have internal predecessors, (343), 41 states have call successors, (41), 39 states have call predecessors, (41), 45 states have return successors, (90), 43 states have call predecessors, (90), 41 states have call successors, (90) [2024-11-24 01:41:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 474 transitions. [2024-11-24 01:41:57,835 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 474 transitions. Word has length 49 [2024-11-24 01:41:57,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:57,836 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 474 transitions. [2024-11-24 01:41:57,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:41:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 474 transitions. [2024-11-24 01:41:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 01:41:57,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:57,840 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:57,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:41:57,840 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:57,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2089304299, now seen corresponding path program 1 times [2024-11-24 01:41:57,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:57,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724901531] [2024-11-24 01:41:57,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-24 01:41:58,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:58,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724901531] [2024-11-24 01:41:58,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724901531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:58,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:58,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:41:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433992822] [2024-11-24 01:41:58,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:58,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:41:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:58,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:41:58,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:41:58,055 INFO L87 Difference]: Start difference. First operand 365 states and 474 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:41:58,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:58,140 INFO L93 Difference]: Finished difference Result 682 states and 921 transitions. [2024-11-24 01:41:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:41:58,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2024-11-24 01:41:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:58,145 INFO L225 Difference]: With dead ends: 682 [2024-11-24 01:41:58,145 INFO L226 Difference]: Without dead ends: 371 [2024-11-24 01:41:58,148 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 [2024-11-24 01:41:58,150 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 378 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 [2024-11-24 01:41:58,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 378 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:41:58,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-24 01:41:58,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2024-11-24 01:41:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 284 states have (on average 1.2288732394366197) internal successors, (349), 301 states have internal predecessors, (349), 41 states have call successors, (41), 39 states have call predecessors, (41), 45 states have return successors, (90), 43 states have call predecessors, (90), 41 states have call successors, (90) [2024-11-24 01:41:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 480 transitions. [2024-11-24 01:41:58,235 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 480 transitions. Word has length 89 [2024-11-24 01:41:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:58,236 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 480 transitions. [2024-11-24 01:41:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:41:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 480 transitions. [2024-11-24 01:41:58,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 01:41:58,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:58,242 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:58,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:41:58,242 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:58,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:58,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1666602473, now seen corresponding path program 1 times [2024-11-24 01:41:58,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:58,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110523116] [2024-11-24 01:41:58,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:58,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:41:58,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:58,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110523116] [2024-11-24 01:41:58,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110523116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:41:58,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585158700] [2024-11-24 01:41:58,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:58,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:41:58,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:58,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:41:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:41:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:58,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:41:58,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:41:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:58,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:41:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:41:59,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585158700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:41:59,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:41:59,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-24 01:41:59,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188501410] [2024-11-24 01:41:59,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:41:59,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:41:59,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:59,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:41:59,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:41:59,210 INFO L87 Difference]: Start difference. First operand 371 states and 480 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 01:41:59,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:59,476 INFO L93 Difference]: Finished difference Result 858 states and 1171 transitions. [2024-11-24 01:41:59,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:41:59,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2024-11-24 01:41:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:59,482 INFO L225 Difference]: With dead ends: 858 [2024-11-24 01:41:59,483 INFO L226 Difference]: Without dead ends: 541 [2024-11-24 01:41:59,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 174 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:41:59,486 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 94 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:59,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 549 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:41:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-24 01:41:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 486. [2024-11-24 01:41:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 370 states have (on average 1.2297297297297298) internal successors, (455), 393 states have internal predecessors, (455), 55 states have call successors, (55), 52 states have call predecessors, (55), 60 states have return successors, (124), 54 states have call predecessors, (124), 55 states have call successors, (124) [2024-11-24 01:41:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 634 transitions. [2024-11-24 01:41:59,568 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 634 transitions. Word has length 89 [2024-11-24 01:41:59,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:59,568 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 634 transitions. [2024-11-24 01:41:59,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 01:41:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 634 transitions. [2024-11-24 01:41:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:41:59,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:59,572 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 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] [2024-11-24 01:41:59,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:41:59,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 01:41:59,776 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:41:59,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash 561866809, now seen corresponding path program 2 times [2024-11-24 01:41:59,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:59,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884861865] [2024-11-24 01:41:59,778 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:41:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:59,841 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:41:59,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:42:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:42:00,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884861865] [2024-11-24 01:42:00,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884861865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:42:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330200873] [2024-11-24 01:42:00,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:42:00,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:42:00,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:42:00,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:42:00,268 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:42:00,269 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:42:00,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:42:00,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:42:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-24 01:42:00,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:42:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:42:00,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330200873] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:42:00,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:42:00,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 8] total 11 [2024-11-24 01:42:00,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977622151] [2024-11-24 01:42:00,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:42:00,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:42:00,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:00,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:42:00,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:42:00,890 INFO L87 Difference]: Start difference. First operand 486 states and 634 transitions. Second operand has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 11 states have internal predecessors, (139), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-24 01:42:01,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:01,147 INFO L93 Difference]: Finished difference Result 741 states and 967 transitions. [2024-11-24 01:42:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:42:01,148 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 11 states have internal predecessors, (139), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 131 [2024-11-24 01:42:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:01,149 INFO L225 Difference]: With dead ends: 741 [2024-11-24 01:42:01,149 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:42:01,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 252 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:42:01,152 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 82 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:01,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 861 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:42:01,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:42:01,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:42:01,154 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) [2024-11-24 01:42:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:42:01,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2024-11-24 01:42:01,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:01,155 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:42:01,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 11 states have internal predecessors, (139), 5 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-24 01:42:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:42:01,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:42:01,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:42:01,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:42:01,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:01,366 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:01,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:42:03,411 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:42:03,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:42:03 BoogieIcfgContainer [2024-11-24 01:42:03,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:42:03,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:42:03,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:42:03,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:42:03,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:54" (3/4) ... [2024-11-24 01:42:03,437 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:42:03,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-24 01:42:03,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-24 01:42:03,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-24 01:42:03,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-24 01:42:03,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-24 01:42:03,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-24 01:42:03,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-24 01:42:03,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-24 01:42:03,451 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-24 01:42:03,453 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 01:42:03,454 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:42:03,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:42:03,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:42:03,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:42:03,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:42:03,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:42:03,583 INFO L158 Benchmark]: Toolchain (without parser) took 10359.12ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 105.7MB in the beginning and 309.8MB in the end (delta: -204.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,583 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:42:03,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.68ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 86.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.16ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:42:03,584 INFO L158 Benchmark]: Boogie Preprocessor took 53.02ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,585 INFO L158 Benchmark]: RCFGBuilder took 497.03ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 64.6MB in the end (delta: 17.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,585 INFO L158 Benchmark]: TraceAbstraction took 9079.16ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 64.0MB in the beginning and 318.0MB in the end (delta: -254.0MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,586 INFO L158 Benchmark]: Witness Printer took 148.41ms. Allocated memory is still 352.3MB. Free memory was 318.0MB in the beginning and 309.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:42:03,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.68ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 86.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.16ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.02ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 497.03ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 64.6MB in the end (delta: 17.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9079.16ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 64.0MB in the beginning and 318.0MB in the end (delta: -254.0MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. * Witness Printer took 148.41ms. Allocated memory is still 352.3MB. Free memory was 318.0MB in the beginning and 309.8MB in the end (delta: 8.2MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 362]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [362] - GenericResultAtLocation [Line: 390]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [390] - GenericResultAtLocation [Line: 489]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [489] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [855] - GenericResultAtLocation [Line: 958]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [958] - GenericResultAtLocation [Line: 967]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [967] * 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: 963]: 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 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 754 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 749 mSDsluCounter, 4564 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3075 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 1489 mSDtfsCounter, 518 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 459 SyntacticMatches, 10 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=12, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 894 NumberOfCodeBlocks, 894 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 2029 SizeOfPredicates, 4 NumberOfNonLiveVariables, 712 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 305/366 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: 65]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= waterLevel))) - InvariantResult [Line: 64]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-24 01:42:03,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a8efdb8-a1ef-4673-9096-3e3c6c767dcd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE