./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:03:24,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:03:24,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:03:24,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:03:24,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:03:24,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:03:24,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:03:24,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:03:24,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:03:24,864 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:03:24,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:03:24,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:03:24,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:03:24,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:03:24,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:03:24,866 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:03:24,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:24,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:24,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:03:24,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:03:24,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:03:24,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:03:24,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:03:24,868 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2025-01-09 04:03:25,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:03:25,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:03:25,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:03:25,120 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:03:25,120 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:03:25,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2025-01-09 04:03:26,352 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5496cb89/b9beaa27f86647e6a1d812c60eff9d80/FLAG12c9fb623 [2025-01-09 04:03:26,643 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:03:26,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2025-01-09 04:03:26,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5496cb89/b9beaa27f86647e6a1d812c60eff9d80/FLAG12c9fb623 [2025-01-09 04:03:26,674 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5496cb89/b9beaa27f86647e6a1d812c60eff9d80 [2025-01-09 04:03:26,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:03:26,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:03:26,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:03:26,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:03:26,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:03:26,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:03:26" (1/1) ... [2025-01-09 04:03:26,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2b0628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:26, skipping insertion in model container [2025-01-09 04:03:26,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:03:26" (1/1) ... [2025-01-09 04:03:26,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:03:26,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2025-01-09 04:03:26,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:03:26,935 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:03:26,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [199] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [674] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [724] [2025-01-09 04:03:26,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [789] [2025-01-09 04:03:26,945 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2025-01-09 04:03:26,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:03:27,014 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:03:27,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27 WrapperNode [2025-01-09 04:03:27,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:03:27,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:03:27,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:03:27,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:03:27,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,059 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 229 [2025-01-09 04:03:27,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:03:27,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:03:27,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:03:27,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:03:27,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,086 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]. [2025-01-09 04:03:27,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,097 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:03:27,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:03:27,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:03:27,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:03:27,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (1/1) ... [2025-01-09 04:03:27,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:03:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:27,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:03:27,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:03:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:03:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:03:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:03:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:03:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:03:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:03:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:03:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2025-01-09 04:03:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2025-01-09 04:03:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:03:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:03:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-01-09 04:03:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-01-09 04:03:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:03:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:03:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:03:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:03:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:03:27,229 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:03:27,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:03:27,414 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-01-09 04:03:27,414 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:03:27,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:03:27,422 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:03:27,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:27 BoogieIcfgContainer [2025-01-09 04:03:27,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:03:27,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:03:27,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:03:27,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:03:27,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:03:26" (1/3) ... [2025-01-09 04:03:27,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fdf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:03:27, skipping insertion in model container [2025-01-09 04:03:27,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:03:27" (2/3) ... [2025-01-09 04:03:27,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fdf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:03:27, skipping insertion in model container [2025-01-09 04:03:27,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:27" (3/3) ... [2025-01-09 04:03:27,429 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2025-01-09 04:03:27,440 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:03:27,441 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product57.cil.c that has 8 procedures, 94 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:03:27,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:03:27,484 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;@57826696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:03:27,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:03:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.356164383561644) internal successors, (99), 81 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 04:03:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-09 04:03:27,492 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:27,492 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:27,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:27,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash 417806155, now seen corresponding path program 1 times [2025-01-09 04:03:27,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:27,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854236823] [2025-01-09 04:03:27,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:27,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 04:03:27,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 04:03:27,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:27,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:27,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:27,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854236823] [2025-01-09 04:03:27,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854236823] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:27,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:27,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:03:27,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846957664] [2025-01-09 04:03:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:27,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:03:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:27,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:03:27,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:03:27,694 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.356164383561644) internal successors, (99), 81 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-01-09 04:03:27,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:27,718 INFO L93 Difference]: Finished difference Result 179 states and 240 transitions. [2025-01-09 04:03:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:03:27,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 36 [2025-01-09 04:03:27,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:27,725 INFO L225 Difference]: With dead ends: 179 [2025-01-09 04:03:27,726 INFO L226 Difference]: Without dead ends: 85 [2025-01-09 04:03:27,728 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 [2025-01-09 04:03:27,730 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 97 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 117 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 [2025-01-09 04:03:27,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:27,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-01-09 04:03:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-01-09 04:03:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.303030303030303) internal successors, (86), 73 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 04:03:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2025-01-09 04:03:27,759 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 36 [2025-01-09 04:03:27,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:27,760 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2025-01-09 04:03:27,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-01-09 04:03:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2025-01-09 04:03:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 04:03:27,762 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:27,762 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:27,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:03:27,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:27,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:27,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1477713503, now seen corresponding path program 1 times [2025-01-09 04:03:27,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:27,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408484343] [2025-01-09 04:03:27,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:27,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:27,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 04:03:27,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 04:03:27,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:27,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:27,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408484343] [2025-01-09 04:03:27,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408484343] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:27,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:27,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:03:27,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249230710] [2025-01-09 04:03:27,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:27,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:03:27,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:27,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:03:27,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:03:27,830 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:03:27,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:27,842 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2025-01-09 04:03:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:03:27,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2025-01-09 04:03:27,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:27,843 INFO L225 Difference]: With dead ends: 137 [2025-01-09 04:03:27,843 INFO L226 Difference]: Without dead ends: 77 [2025-01-09 04:03:27,844 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 [2025-01-09 04:03:27,844 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 179 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 [2025-01-09 04:03:27,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-09 04:03:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-09 04:03:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 68 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 04:03:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2025-01-09 04:03:27,852 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 40 [2025-01-09 04:03:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:27,852 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2025-01-09 04:03:27,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:03:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2025-01-09 04:03:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-09 04:03:27,854 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:27,854 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:27,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:03:27,854 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:27,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 257552151, now seen corresponding path program 1 times [2025-01-09 04:03:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100941319] [2025-01-09 04:03:27,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:27,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 04:03:27,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 04:03:27,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:27,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:27,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:27,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100941319] [2025-01-09 04:03:27,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100941319] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:27,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:27,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:03:27,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187183348] [2025-01-09 04:03:27,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:27,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:03:27,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:27,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:03:27,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:03:27,911 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:27,948 INFO L93 Difference]: Finished difference Result 193 states and 252 transitions. [2025-01-09 04:03:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:03:27,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 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 44 [2025-01-09 04:03:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:27,950 INFO L225 Difference]: With dead ends: 193 [2025-01-09 04:03:27,950 INFO L226 Difference]: Without dead ends: 124 [2025-01-09 04:03:27,951 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 [2025-01-09 04:03:27,951 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 78 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:27,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 167 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-09 04:03:27,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2025-01-09 04:03:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 103 states have internal predecessors, (123), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2025-01-09 04:03:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 155 transitions. [2025-01-09 04:03:27,964 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 155 transitions. Word has length 44 [2025-01-09 04:03:27,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:27,964 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 155 transitions. [2025-01-09 04:03:27,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:03:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 155 transitions. [2025-01-09 04:03:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-09 04:03:27,965 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:27,966 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:27,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:03:27,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:27,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash 840986570, now seen corresponding path program 1 times [2025-01-09 04:03:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:27,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649975224] [2025-01-09 04:03:27,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:27,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 04:03:27,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 04:03:27,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:27,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 04:03:28,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:28,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649975224] [2025-01-09 04:03:28,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649975224] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:28,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:28,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 04:03:28,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150279056] [2025-01-09 04:03:28,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:28,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 04:03:28,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:28,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 04:03:28,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:03:28,104 INFO L87 Difference]: Start difference. First operand 122 states and 155 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:28,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:28,398 INFO L93 Difference]: Finished difference Result 260 states and 333 transitions. [2025-01-09 04:03:28,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 04:03:28,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2025-01-09 04:03:28,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:28,400 INFO L225 Difference]: With dead ends: 260 [2025-01-09 04:03:28,400 INFO L226 Difference]: Without dead ends: 146 [2025-01-09 04:03:28,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2025-01-09 04:03:28,401 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 134 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:28,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 397 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:03:28,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-09 04:03:28,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2025-01-09 04:03:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 120 states have internal predecessors, (142), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2025-01-09 04:03:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 181 transitions. [2025-01-09 04:03:28,415 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 181 transitions. Word has length 52 [2025-01-09 04:03:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:28,415 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 181 transitions. [2025-01-09 04:03:28,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 181 transitions. [2025-01-09 04:03:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 04:03:28,419 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:28,419 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:28,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:03:28,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:28,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:28,420 INFO L85 PathProgramCache]: Analyzing trace with hash 239384460, now seen corresponding path program 1 times [2025-01-09 04:03:28,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:28,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153232183] [2025-01-09 04:03:28,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:28,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 04:03:28,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 04:03:28,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:28,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:28,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:28,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153232183] [2025-01-09 04:03:28,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153232183] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:28,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:28,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:03:28,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897045960] [2025-01-09 04:03:28,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:28,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:03:28,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:28,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:03:28,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:03:28,539 INFO L87 Difference]: Start difference. First operand 144 states and 181 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 04:03:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:28,562 INFO L93 Difference]: Finished difference Result 283 states and 366 transitions. [2025-01-09 04:03:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:03:28,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2025-01-09 04:03:28,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:28,564 INFO L225 Difference]: With dead ends: 283 [2025-01-09 04:03:28,564 INFO L226 Difference]: Without dead ends: 147 [2025-01-09 04:03:28,565 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 [2025-01-09 04:03:28,565 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 374 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 [2025-01-09 04:03:28,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 374 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:28,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-01-09 04:03:28,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-01-09 04:03:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 123 states have internal predecessors, (145), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2025-01-09 04:03:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 184 transitions. [2025-01-09 04:03:28,588 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 184 transitions. Word has length 54 [2025-01-09 04:03:28,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:28,589 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 184 transitions. [2025-01-09 04:03:28,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 04:03:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 184 transitions. [2025-01-09 04:03:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 04:03:28,590 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:28,590 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:28,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:03:28,590 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:28,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1566053874, now seen corresponding path program 1 times [2025-01-09 04:03:28,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:28,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131764280] [2025-01-09 04:03:28,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:28,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 04:03:28,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 04:03:28,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:28,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:28,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131764280] [2025-01-09 04:03:28,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131764280] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:28,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:28,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:03:28,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098737424] [2025-01-09 04:03:28,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:28,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:03:28,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:28,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:03:28,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:03:28,712 INFO L87 Difference]: Start difference. First operand 147 states and 184 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-09 04:03:28,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:28,770 INFO L93 Difference]: Finished difference Result 288 states and 371 transitions. [2025-01-09 04:03:28,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:03:28,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2025-01-09 04:03:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:28,771 INFO L225 Difference]: With dead ends: 288 [2025-01-09 04:03:28,771 INFO L226 Difference]: Without dead ends: 149 [2025-01-09 04:03:28,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:03:28,772 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 79 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:28,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 279 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:03:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-01-09 04:03:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-01-09 04:03:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2025-01-09 04:03:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2025-01-09 04:03:28,788 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 54 [2025-01-09 04:03:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:28,788 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2025-01-09 04:03:28,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-09 04:03:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2025-01-09 04:03:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-09 04:03:28,789 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:28,789 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:28,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:03:28,789 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:28,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:28,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1425505264, now seen corresponding path program 1 times [2025-01-09 04:03:28,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:28,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520295477] [2025-01-09 04:03:28,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:28,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 04:03:28,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 04:03:28,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:28,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:28,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:28,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520295477] [2025-01-09 04:03:28,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520295477] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:28,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:28,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 04:03:28,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878081343] [2025-01-09 04:03:28,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:28,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 04:03:28,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:28,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 04:03:28,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 04:03:28,917 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 04:03:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:29,031 INFO L93 Difference]: Finished difference Result 456 states and 590 transitions. [2025-01-09 04:03:29,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 04:03:29,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2025-01-09 04:03:29,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:29,034 INFO L225 Difference]: With dead ends: 456 [2025-01-09 04:03:29,034 INFO L226 Difference]: Without dead ends: 315 [2025-01-09 04:03:29,034 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 [2025-01-09 04:03:29,035 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 120 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:29,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 312 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:03:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-01-09 04:03:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 308. [2025-01-09 04:03:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 238 states have (on average 1.2394957983193278) internal successors, (295), 252 states have internal predecessors, (295), 36 states have call successors, (36), 28 states have call predecessors, (36), 33 states have return successors, (61), 38 states have call predecessors, (61), 36 states have call successors, (61) [2025-01-09 04:03:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 392 transitions. [2025-01-09 04:03:29,074 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 392 transitions. Word has length 54 [2025-01-09 04:03:29,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:29,074 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 392 transitions. [2025-01-09 04:03:29,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-09 04:03:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 392 transitions. [2025-01-09 04:03:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 04:03:29,076 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:29,076 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:29,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:03:29,076 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:29,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash 960465526, now seen corresponding path program 1 times [2025-01-09 04:03:29,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:29,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561986421] [2025-01-09 04:03:29,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:29,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 04:03:29,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 04:03:29,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:29,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:03:29,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:29,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561986421] [2025-01-09 04:03:29,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561986421] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:03:29,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:03:29,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 04:03:29,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122147245] [2025-01-09 04:03:29,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:03:29,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 04:03:29,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:29,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 04:03:29,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-09 04:03:29,297 INFO L87 Difference]: Start difference. First operand 308 states and 392 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:29,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:29,603 INFO L93 Difference]: Finished difference Result 811 states and 1093 transitions. [2025-01-09 04:03:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-09 04:03:29,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2025-01-09 04:03:29,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:29,606 INFO L225 Difference]: With dead ends: 811 [2025-01-09 04:03:29,606 INFO L226 Difference]: Without dead ends: 560 [2025-01-09 04:03:29,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-01-09 04:03:29,607 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 460 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:29,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 459 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:03:29,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2025-01-09 04:03:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 500. [2025-01-09 04:03:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 384 states have (on average 1.2213541666666667) internal successors, (469), 405 states have internal predecessors, (469), 60 states have call successors, (60), 49 states have call predecessors, (60), 55 states have return successors, (106), 61 states have call predecessors, (106), 60 states have call successors, (106) [2025-01-09 04:03:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 635 transitions. [2025-01-09 04:03:29,657 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 635 transitions. Word has length 58 [2025-01-09 04:03:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:29,657 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 635 transitions. [2025-01-09 04:03:29,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-09 04:03:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 635 transitions. [2025-01-09 04:03:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-09 04:03:29,659 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:03:29,659 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:29,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:03:29,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:03:29,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:03:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash 569485992, now seen corresponding path program 1 times [2025-01-09 04:03:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:03:29,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720081604] [2025-01-09 04:03:29,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:03:29,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-09 04:03:29,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-09 04:03:29,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:29,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-09 04:03:29,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:03:29,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720081604] [2025-01-09 04:03:29,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720081604] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:03:29,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988285356] [2025-01-09 04:03:29,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:03:29,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:29,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:03:29,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:03:29,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 04:03:29,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-09 04:03:29,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-09 04:03:29,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:03:29,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:03:29,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 04:03:29,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:03:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:03:30,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:03:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-09 04:03:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988285356] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:03:30,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:03:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15 [2025-01-09 04:03:30,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487219688] [2025-01-09 04:03:30,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:03:30,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-09 04:03:30,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:03:30,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-09 04:03:30,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-01-09 04:03:30,198 INFO L87 Difference]: Start difference. First operand 500 states and 635 transitions. Second operand has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (18), 9 states have call predecessors, (18), 7 states have call successors, (18) [2025-01-09 04:03:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:03:30,521 INFO L93 Difference]: Finished difference Result 1047 states and 1363 transitions. [2025-01-09 04:03:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-09 04:03:30,521 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (18), 9 states have call predecessors, (18), 7 states have call successors, (18) Word has length 98 [2025-01-09 04:03:30,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:03:30,522 INFO L225 Difference]: With dead ends: 1047 [2025-01-09 04:03:30,522 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:03:30,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 192 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2025-01-09 04:03:30,524 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 241 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:03:30,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 927 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:03:30,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:03:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:03:30,527 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) [2025-01-09 04:03:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:03:30,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2025-01-09 04:03:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:03:30,528 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:03:30,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (18), 9 states have call predecessors, (18), 7 states have call successors, (18) [2025-01-09 04:03:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:03:30,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:03:30,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:03:30,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 04:03:30,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:03:30,737 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:03:30,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:03:33,854 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:03:33,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:03:33 BoogieIcfgContainer [2025-01-09 04:03:33,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:03:33,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:03:33,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:03:33,874 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:03:33,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:03:27" (3/4) ... [2025-01-09 04:03:33,880 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:03:33,889 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-01-09 04:03:33,901 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-01-09 04:03:33,901 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:03:33,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:03:33,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:03:33,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:03:34,051 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:03:34,051 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:03:34,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:03:34,052 INFO L158 Benchmark]: Toolchain (without parser) took 7374.98ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 153.6MB in the beginning and 180.7MB in the end (delta: -27.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,052 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 218.1MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:03:34,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.92ms. Allocated memory is still 201.3MB. Free memory was 153.6MB in the beginning and 134.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.10ms. Allocated memory is still 201.3MB. Free memory was 134.6MB in the beginning and 132.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:03:34,057 INFO L158 Benchmark]: Boogie Preprocessor took 42.78ms. Allocated memory is still 201.3MB. Free memory was 132.6MB in the beginning and 130.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,057 INFO L158 Benchmark]: RCFGBuilder took 313.75ms. Allocated memory is still 201.3MB. Free memory was 130.6MB in the beginning and 112.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,057 INFO L158 Benchmark]: TraceAbstraction took 6449.17ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 111.7MB in the beginning and 186.4MB in the end (delta: -74.7MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,057 INFO L158 Benchmark]: Witness Printer took 177.86ms. Allocated memory is still 243.3MB. Free memory was 186.4MB in the beginning and 180.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:03:34,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 218.1MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.92ms. Allocated memory is still 201.3MB. Free memory was 153.6MB in the beginning and 134.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.10ms. Allocated memory is still 201.3MB. Free memory was 134.6MB in the beginning and 132.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.78ms. Allocated memory is still 201.3MB. Free memory was 132.6MB in the beginning and 130.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 313.75ms. Allocated memory is still 201.3MB. Free memory was 130.6MB in the beginning and 112.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6449.17ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 111.7MB in the beginning and 186.4MB in the end (delta: -74.7MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * Witness Printer took 177.86ms. Allocated memory is still 243.3MB. Free memory was 186.4MB in the beginning and 180.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] - GenericResultAtLocation [Line: 199]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [199] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [674] - GenericResultAtLocation [Line: 724]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [724] - GenericResultAtLocation [Line: 789]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [789] * 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: 54]: 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 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1237 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 3211 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2150 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 701 IncrementalHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 1061 mSDtfsCounter, 701 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 217 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=8, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 71 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 675 ConstructedInterpolants, 0 QuantifiedInterpolants, 1409 SizeOfPredicates, 2 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 86/120 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: 735]: Loop Invariant Derived loop invariant: (((((((1 == systemActive) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (pumpRunning == 1)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || ((((2 == waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1))) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 04:03:34,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE