/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:56:22,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:56:22,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:56:22,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:56:22,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:56:22,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:56:22,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:56:22,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:56:22,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:56:22,931 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:56:22,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:56:22,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:56:22,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:56:22,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:56:22,934 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:56:22,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:56:22,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:56:22,938 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:56:22,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:56:22,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:56:22,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:56:22,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:56:22,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:56:22,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:56:22,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:56:22,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:56:22,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:56:22,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:56:22,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:56:22,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:56:22,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:56:22,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:56:22,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:56:22,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:56:22,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:56:22,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:56:22,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:56:22,944 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:56:23,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:56:23,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:56:23,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:56:23,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:56:23,151 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:56:23,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2023-12-15 22:56:24,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:56:24,421 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:56:24,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2023-12-15 22:56:24,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d7e1a89/cc530c358df34b8196320bb28e606686/FLAG0f1c1143e [2023-12-15 22:56:24,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d7e1a89/cc530c358df34b8196320bb28e606686 [2023-12-15 22:56:24,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:56:24,444 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:56:24,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:56:24,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:56:24,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:56:24,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f6a5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24, skipping insertion in model container [2023-12-15 22:56:24,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:56:24,773 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2023-12-15 22:56:24,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:56:24,802 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:56:24,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-12-15 22:56:24,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2023-12-15 22:56:24,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2023-12-15 22:56:24,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] [2023-12-15 22:56:24,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] [2023-12-15 22:56:24,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] [2023-12-15 22:56:24,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] [2023-12-15 22:56:24,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] [2023-12-15 22:56:24,864 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2023-12-15 22:56:24,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:56:24,892 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:56:24,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24 WrapperNode [2023-12-15 22:56:24,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:56:24,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:56:24,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:56:24,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:56:24,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,933 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 235 [2023-12-15 22:56:24,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:56:24,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:56:24,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:56:24,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:56:24,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,976 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]. [2023-12-15 22:56:24,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:56:24,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:56:24,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:56:24,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:56:24,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (1/1) ... [2023-12-15 22:56:24,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:56:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:56:25,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 22:56:25,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 22:56:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:56:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:56:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:56:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:56:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:56:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-15 22:56:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-15 22:56:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:56:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:56:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:56:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:56:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:56:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-15 22:56:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:56:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:56:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:56:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:56:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:56:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:56:25,125 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:56:25,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:56:25,323 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:56:25,362 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:56:25,362 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:56:25,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:25 BoogieIcfgContainer [2023-12-15 22:56:25,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:56:25,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:56:25,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:56:25,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:56:25,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:56:24" (1/3) ... [2023-12-15 22:56:25,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d489397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:25, skipping insertion in model container [2023-12-15 22:56:25,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:24" (2/3) ... [2023-12-15 22:56:25,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d489397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:25, skipping insertion in model container [2023-12-15 22:56:25,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:25" (3/3) ... [2023-12-15 22:56:25,368 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2023-12-15 22:56:25,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:56:25,381 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:56:25,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:56:25,427 INFO L357 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, mHoare=true, 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;@5803cdc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:56:25,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:56:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-15 22:56:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-15 22:56:25,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:25,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:25,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:25,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:25,457 INFO L85 PathProgramCache]: Analyzing trace with hash -662235719, now seen corresponding path program 1 times [2023-12-15 22:56:25,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:25,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755724253] [2023-12-15 22:56:25,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-12-15 22:56:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:25,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:25,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755724253] [2023-12-15 22:56:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755724253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:25,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:25,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:56:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071459981] [2023-12-15 22:56:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:25,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:56:25,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:25,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:56:25,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:56:25,668 INFO L87 Difference]: Start difference. First operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:25,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:25,746 INFO L93 Difference]: Finished difference Result 182 states and 261 transitions. [2023-12-15 22:56:25,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:56:25,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-15 22:56:25,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:25,756 INFO L225 Difference]: With dead ends: 182 [2023-12-15 22:56:25,757 INFO L226 Difference]: Without dead ends: 87 [2023-12-15 22:56:25,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:56:25,763 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:25,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-15 22:56:25,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-15 22:56:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 68 states have internal predecessors, (82), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 22:56:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2023-12-15 22:56:25,809 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 17 [2023-12-15 22:56:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:25,811 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2023-12-15 22:56:25,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2023-12-15 22:56:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-15 22:56:25,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:25,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:25,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:56:25,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:25,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1228910346, now seen corresponding path program 1 times [2023-12-15 22:56:25,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238427722] [2023-12-15 22:56:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:56:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:25,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:25,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238427722] [2023-12-15 22:56:25,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238427722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:25,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:25,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:56:25,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147571054] [2023-12-15 22:56:25,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:25,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:56:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:56:25,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:25,927 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:25,978 INFO L93 Difference]: Finished difference Result 144 states and 196 transitions. [2023-12-15 22:56:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:56:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-15 22:56:25,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:25,981 INFO L225 Difference]: With dead ends: 144 [2023-12-15 22:56:25,981 INFO L226 Difference]: Without dead ends: 79 [2023-12-15 22:56:25,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:25,985 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:25,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 170 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:25,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-15 22:56:25,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-15 22:56:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-15 22:56:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2023-12-15 22:56:25,999 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 18 [2023-12-15 22:56:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:25,999 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2023-12-15 22:56:25,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-12-15 22:56:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-15 22:56:26,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:26,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:26,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:56:26,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:26,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1522896043, now seen corresponding path program 1 times [2023-12-15 22:56:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127777034] [2023-12-15 22:56:26,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:56:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:26,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127777034] [2023-12-15 22:56:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127777034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:26,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:26,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:56:26,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756615663] [2023-12-15 22:56:26,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:26,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:56:26,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:26,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:56:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:26,092 INFO L87 Difference]: Start difference. First operand 79 states and 108 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:26,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:26,129 INFO L93 Difference]: Finished difference Result 233 states and 321 transitions. [2023-12-15 22:56:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:56:26,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-15 22:56:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:26,131 INFO L225 Difference]: With dead ends: 233 [2023-12-15 22:56:26,131 INFO L226 Difference]: Without dead ends: 156 [2023-12-15 22:56:26,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:56:26,137 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 102 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:26,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 198 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:56:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-15 22:56:26,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2023-12-15 22:56:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 102 states have (on average 1.4411764705882353) internal successors, (147), 121 states have internal predecessors, (147), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-15 22:56:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions. [2023-12-15 22:56:26,152 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 21 [2023-12-15 22:56:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:26,152 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 211 transitions. [2023-12-15 22:56:26,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2023-12-15 22:56:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-15 22:56:26,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:26,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:26,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:56:26,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:26,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash -528235754, now seen corresponding path program 1 times [2023-12-15 22:56:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384751053] [2023-12-15 22:56:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:56:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:56:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:56:26,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:56:26,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384751053] [2023-12-15 22:56:26,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384751053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:56:26,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:56:26,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:56:26,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240695125] [2023-12-15 22:56:26,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:56:26,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:56:26,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:56:26,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:56:26,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:56:26,232 INFO L87 Difference]: Start difference. First operand 153 states and 211 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:56:26,326 INFO L93 Difference]: Finished difference Result 447 states and 636 transitions. [2023-12-15 22:56:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:56:26,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-12-15 22:56:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:56:26,333 INFO L225 Difference]: With dead ends: 447 [2023-12-15 22:56:26,333 INFO L226 Difference]: Without dead ends: 296 [2023-12-15 22:56:26,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:56:26,337 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 79 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:56:26,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 264 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:56:26,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-12-15 22:56:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2023-12-15 22:56:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 195 states have (on average 1.4102564102564104) internal successors, (275), 230 states have internal predecessors, (275), 64 states have call successors, (64), 36 states have call predecessors, (64), 34 states have return successors, (66), 40 states have call predecessors, (66), 64 states have call successors, (66) [2023-12-15 22:56:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 405 transitions. [2023-12-15 22:56:26,359 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 405 transitions. Word has length 24 [2023-12-15 22:56:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:56:26,359 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 405 transitions. [2023-12-15 22:56:26,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-15 22:56:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 405 transitions. [2023-12-15 22:56:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-15 22:56:26,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:56:26,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:56:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:56:26,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:56:26,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:56:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1181053380, now seen corresponding path program 1 times [2023-12-15 22:56:26,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:56:26,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090718876] [2023-12-15 22:56:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:56:26,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:56:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 22:56:26,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 22:56:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 22:56:26,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 22:56:26,397 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 22:56:26,398 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:56:26,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:56:26,402 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-15 22:56:26,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:56:26,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:56:26 BoogieIcfgContainer [2023-12-15 22:56:26,440 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:56:26,441 INFO L158 Benchmark]: Toolchain (without parser) took 1996.63ms. Allocated memory is still 283.1MB. Free memory was 230.7MB in the beginning and 166.1MB in the end (delta: 64.6MB). Peak memory consumption was 65.6MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,441 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 169.9MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:56:26,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 283.1MB. Free memory was 230.7MB in the beginning and 210.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 283.1MB. Free memory was 210.1MB in the beginning and 207.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,441 INFO L158 Benchmark]: Boogie Preprocessor took 50.29ms. Allocated memory is still 283.1MB. Free memory was 207.7MB in the beginning and 205.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,442 INFO L158 Benchmark]: RCFGBuilder took 377.28ms. Allocated memory is still 283.1MB. Free memory was 205.1MB in the beginning and 181.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,442 INFO L158 Benchmark]: TraceAbstraction took 1076.39ms. Allocated memory is still 283.1MB. Free memory was 180.9MB in the beginning and 166.1MB in the end (delta: 14.8MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2023-12-15 22:56:26,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 169.9MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 283.1MB. Free memory was 230.7MB in the beginning and 210.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 283.1MB. Free memory was 210.1MB in the beginning and 207.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.29ms. Allocated memory is still 283.1MB. Free memory was 207.7MB in the beginning and 205.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 377.28ms. Allocated memory is still 283.1MB. Free memory was 205.1MB in the beginning and 181.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1076.39ms. Allocated memory is still 283.1MB. Free memory was 180.9MB in the beginning and 166.1MB in the end (delta: 14.8MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] - GenericResultAtLocation [Line: 1001]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] - GenericResultAtLocation [Line: 1010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1006]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L100] int pumpRunning = 0; [L101] int systemActive = 1; [L437] int waterLevel = 1; [L438] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int cleanupTimeShifts = 4; [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L368] int splverifierCounter ; [L369] int tmp ; [L370] int tmp___0 ; [L371] int tmp___1 ; [L372] int tmp___2 ; [L375] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L377] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L379] COND TRUE splverifierCounter < 4 [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L389] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE waterLevel < 2 [L456] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L395] tmp___0 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L405] tmp___2 = __VERIFIER_nondet_int() [L407] COND FALSE !(\read(tmp___2)) [L413] tmp___1 = __VERIFIER_nondet_int() [L415] COND TRUE \read(tmp___1) [L417] CALL stopSystem() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] systemActive = 0 [L417] RET stopSystem() [L424] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L108] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L115] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] CALL __utac_acc__Specification3_spec__1() [L1012] int tmp ; [L1013] int tmp___0 ; [L1014] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L476] int retValue_acc ; [L479] retValue_acc = methaneLevelCritical [L480] return (retValue_acc); [L1018] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] tmp = isMethaneLevelCritical() [L1020] COND FALSE !(\read(tmp)) [L1024] CALL, EXPR getWaterLevel() [L508] int retValue_acc ; [L511] retValue_acc = waterLevel [L512] return (retValue_acc); [L1024] RET, EXPR getWaterLevel() [L1024] tmp___0 = getWaterLevel() [L1026] COND TRUE tmp___0 == 2 [L1028] CALL, EXPR isPumpRunning() [L258] int retValue_acc ; [L261] retValue_acc = pumpRunning [L262] return (retValue_acc); [L1028] RET, EXPR isPumpRunning() [L1028] tmp___1 = isPumpRunning() [L1030] COND FALSE !(\read(tmp___1)) [L1034] CALL __automaton_fail() [L1006] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 343 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 396 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-15 22:56:26,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...