/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_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:42,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:42,743 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 22:57:42,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:42,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:42,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:42,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:42,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:42,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:42,773 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:42,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:42,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:42,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:42,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:42,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:42,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:42,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:42,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:42,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:42,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:42,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:42,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:42,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:42,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:42,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:42,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:42,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:42,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:42,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:42,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:42,945 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:42,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2023-12-15 22:57:44,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:44,292 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:44,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2023-12-15 22:57:44,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c69848f/4a948a484e2f467b9de3b1d0d6fa502d/FLAGefc11b284 [2023-12-15 22:57:44,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c69848f/4a948a484e2f467b9de3b1d0d6fa502d [2023-12-15 22:57:44,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:44,319 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:44,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:44,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:44,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:44,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ebc072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44, skipping insertion in model container [2023-12-15 22:57:44,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:44,526 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_spec5_product59.cil.c[17002,17015] [2023-12-15 22:57:44,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:44,559 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:44,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-15 22:57:44,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [160] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [469] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [835] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [844] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [893] [2023-12-15 22:57:44,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [993] [2023-12-15 22:57:44,607 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_spec5_product59.cil.c[17002,17015] [2023-12-15 22:57:44,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:44,623 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:44,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44 WrapperNode [2023-12-15 22:57:44,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:44,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:44,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:44,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:44,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,658 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 235 [2023-12-15 22:57:44,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:44,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:44,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:44,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:44,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,696 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 22:57:44,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:44,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:44,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:44,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:44,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (1/1) ... [2023-12-15 22:57:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:44,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:44,742 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 22:57:44,772 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 22:57:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:57:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:57:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:57:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:57:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:44,857 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:44,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:45,037 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:45,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:45,084 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:45,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:45 BoogieIcfgContainer [2023-12-15 22:57:45,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:45,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:45,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:45,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:45,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:44" (1/3) ... [2023-12-15 22:57:45,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e882c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:45, skipping insertion in model container [2023-12-15 22:57:45,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:44" (2/3) ... [2023-12-15 22:57:45,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e882c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:45, skipping insertion in model container [2023-12-15 22:57:45,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:45" (3/3) ... [2023-12-15 22:57:45,091 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2023-12-15 22:57:45,103 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:45,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:45,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:45,143 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;@7687fce0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:45,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 64 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 22:57:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:45,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:45,153 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:45,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:45,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1966191368, now seen corresponding path program 1 times [2023-12-15 22:57:45,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:45,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872549945] [2023-12-15 22:57:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:45,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:45,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872549945] [2023-12-15 22:57:45,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872549945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:45,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:45,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22478099] [2023-12-15 22:57:45,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:45,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:45,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:45,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:45,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:45,364 INFO L87 Difference]: Start difference. First operand has 79 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 64 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-12-15 22:57:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:45,417 INFO L93 Difference]: Finished difference Result 156 states and 225 transitions. [2023-12-15 22:57:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2023-12-15 22:57:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:45,425 INFO L225 Difference]: With dead ends: 156 [2023-12-15 22:57:45,425 INFO L226 Difference]: Without dead ends: 74 [2023-12-15 22:57:45,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 22:57:45,430 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 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 [2023-12-15 22:57:45,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-15 22:57:45,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-15 22:57:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 60 states have internal predecessors, (74), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 22:57:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 101 transitions. [2023-12-15 22:57:45,460 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 101 transitions. Word has length 22 [2023-12-15 22:57:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:45,460 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 101 transitions. [2023-12-15 22:57:45,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-12-15 22:57:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-12-15 22:57:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:45,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:45,462 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:45,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:45,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:45,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:45,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1033814154, now seen corresponding path program 1 times [2023-12-15 22:57:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:45,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749045672] [2023-12-15 22:57:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:45,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:45,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749045672] [2023-12-15 22:57:45,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749045672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:45,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:45,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:45,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130630200] [2023-12-15 22:57:45,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:45,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:45,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:45,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:45,533 INFO L87 Difference]: Start difference. First operand 74 states and 101 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-12-15 22:57:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:45,560 INFO L93 Difference]: Finished difference Result 118 states and 160 transitions. [2023-12-15 22:57:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2023-12-15 22:57:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:45,562 INFO L225 Difference]: With dead ends: 118 [2023-12-15 22:57:45,562 INFO L226 Difference]: Without dead ends: 66 [2023-12-15 22:57:45,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 22:57:45,563 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 14 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:45,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 135 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:45,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-15 22:57:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-12-15 22:57:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 47 states have (on average 1.446808510638298) internal successors, (68), 55 states have internal predecessors, (68), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 22:57:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2023-12-15 22:57:45,571 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 23 [2023-12-15 22:57:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:45,571 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2023-12-15 22:57:45,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-12-15 22:57:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-12-15 22:57:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:45,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:45,572 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:45,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:45,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:45,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:45,573 INFO L85 PathProgramCache]: Analyzing trace with hash 545141965, now seen corresponding path program 1 times [2023-12-15 22:57:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722565538] [2023-12-15 22:57:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722565538] [2023-12-15 22:57:45,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722565538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:45,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:45,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995359658] [2023-12-15 22:57:45,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:45,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:45,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:45,660 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-12-15 22:57:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:45,771 INFO L93 Difference]: Finished difference Result 185 states and 258 transitions. [2023-12-15 22:57:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 22:57:45,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 26 [2023-12-15 22:57:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:45,775 INFO L225 Difference]: With dead ends: 185 [2023-12-15 22:57:45,776 INFO L226 Difference]: Without dead ends: 121 [2023-12-15 22:57:45,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 22:57:45,777 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 100 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:45,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 206 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-15 22:57:45,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2023-12-15 22:57:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 74 states have (on average 1.445945945945946) internal successors, (107), 85 states have internal predecessors, (107), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2023-12-15 22:57:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 142 transitions. [2023-12-15 22:57:45,801 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 142 transitions. Word has length 26 [2023-12-15 22:57:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:45,802 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 142 transitions. [2023-12-15 22:57:45,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-12-15 22:57:45,802 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2023-12-15 22:57:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:45,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:45,803 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:45,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:45,803 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:45,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:45,804 INFO L85 PathProgramCache]: Analyzing trace with hash -726068221, now seen corresponding path program 1 times [2023-12-15 22:57:45,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:45,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476368973] [2023-12-15 22:57:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:45,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:45,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:45,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476368973] [2023-12-15 22:57:45,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476368973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:45,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:45,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210738756] [2023-12-15 22:57:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:45,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:45,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:45,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:45,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:45,904 INFO L87 Difference]: Start difference. First operand 104 states and 142 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:46,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:46,017 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2023-12-15 22:57:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 22:57:46,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-15 22:57:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:46,020 INFO L225 Difference]: With dead ends: 244 [2023-12-15 22:57:46,020 INFO L226 Difference]: Without dead ends: 142 [2023-12-15 22:57:46,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:46,031 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:46,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 339 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-15 22:57:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2023-12-15 22:57:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 110 states have internal predecessors, (134), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2023-12-15 22:57:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 182 transitions. [2023-12-15 22:57:46,047 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 182 transitions. Word has length 29 [2023-12-15 22:57:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:46,047 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 182 transitions. [2023-12-15 22:57:46,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2023-12-15 22:57:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-15 22:57:46,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:46,054 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:46,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:46,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:46,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:46,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1805670548, now seen corresponding path program 1 times [2023-12-15 22:57:46,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:46,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072600959] [2023-12-15 22:57:46,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:46,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:57:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:57:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:46,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:46,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072600959] [2023-12-15 22:57:46,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072600959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:46,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:46,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 22:57:46,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072362903] [2023-12-15 22:57:46,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:46,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 22:57:46,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:46,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 22:57:46,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 22:57:46,106 INFO L87 Difference]: Start difference. First operand 138 states and 182 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:57:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:46,218 INFO L93 Difference]: Finished difference Result 297 states and 390 transitions. [2023-12-15 22:57:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:46,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2023-12-15 22:57:46,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:46,221 INFO L225 Difference]: With dead ends: 297 [2023-12-15 22:57:46,221 INFO L226 Difference]: Without dead ends: 124 [2023-12-15 22:57:46,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 22:57:46,225 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 84 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:46,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 189 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-15 22:57:46,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2023-12-15 22:57:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 96 states have internal predecessors, (116), 17 states have call successors, (17), 13 states have call predecessors, (17), 16 states have return successors, (24), 18 states have call predecessors, (24), 17 states have call successors, (24) [2023-12-15 22:57:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 157 transitions. [2023-12-15 22:57:46,259 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 157 transitions. Word has length 43 [2023-12-15 22:57:46,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:46,259 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 157 transitions. [2023-12-15 22:57:46,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:57:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 157 transitions. [2023-12-15 22:57:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-15 22:57:46,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:46,260 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:46,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:57:46,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:46,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1894821922, now seen corresponding path program 1 times [2023-12-15 22:57:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:46,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426513660] [2023-12-15 22:57:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:57:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:46,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:46,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426513660] [2023-12-15 22:57:46,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426513660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:46,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:46,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:46,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29606466] [2023-12-15 22:57:46,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:46,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:46,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:46,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:46,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:46,381 INFO L87 Difference]: Start difference. First operand 122 states and 157 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-12-15 22:57:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:46,479 INFO L93 Difference]: Finished difference Result 248 states and 327 transitions. [2023-12-15 22:57:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:46,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 40 [2023-12-15 22:57:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:46,482 INFO L225 Difference]: With dead ends: 248 [2023-12-15 22:57:46,482 INFO L226 Difference]: Without dead ends: 128 [2023-12-15 22:57:46,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:46,482 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 52 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:46,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 213 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-15 22:57:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2023-12-15 22:57:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 98 states have internal predecessors, (118), 17 states have call successors, (17), 13 states have call predecessors, (17), 16 states have return successors, (24), 18 states have call predecessors, (24), 17 states have call successors, (24) [2023-12-15 22:57:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 159 transitions. [2023-12-15 22:57:46,502 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 159 transitions. Word has length 40 [2023-12-15 22:57:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:46,503 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 159 transitions. [2023-12-15 22:57:46,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-12-15 22:57:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2023-12-15 22:57:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-15 22:57:46,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:46,504 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:46,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:57:46,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:46,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash 811797472, now seen corresponding path program 1 times [2023-12-15 22:57:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:46,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580532819] [2023-12-15 22:57:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:57:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:46,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:46,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580532819] [2023-12-15 22:57:46,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580532819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:46,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:46,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748572107] [2023-12-15 22:57:46,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:46,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:46,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:46,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:46,574 INFO L87 Difference]: Start difference. First operand 124 states and 159 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-12-15 22:57:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:46,674 INFO L93 Difference]: Finished difference Result 255 states and 335 transitions. [2023-12-15 22:57:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:46,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 40 [2023-12-15 22:57:46,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:46,676 INFO L225 Difference]: With dead ends: 255 [2023-12-15 22:57:46,676 INFO L226 Difference]: Without dead ends: 133 [2023-12-15 22:57:46,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:46,677 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 58 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:46,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 211 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:46,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-15 22:57:46,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 126. [2023-12-15 22:57:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 100 states have internal predecessors, (120), 17 states have call successors, (17), 13 states have call predecessors, (17), 16 states have return successors, (24), 18 states have call predecessors, (24), 17 states have call successors, (24) [2023-12-15 22:57:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 161 transitions. [2023-12-15 22:57:46,691 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 161 transitions. Word has length 40 [2023-12-15 22:57:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:46,691 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 161 transitions. [2023-12-15 22:57:46,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-12-15 22:57:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 161 transitions. [2023-12-15 22:57:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-15 22:57:46,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:46,693 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:46,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:57:46,693 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:46,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:46,693 INFO L85 PathProgramCache]: Analyzing trace with hash -877146270, now seen corresponding path program 1 times [2023-12-15 22:57:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:46,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447427336] [2023-12-15 22:57:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:46,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:57:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:46,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:46,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447427336] [2023-12-15 22:57:46,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447427336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:46,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:46,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:46,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929728207] [2023-12-15 22:57:46,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:46,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:46,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:46,756 INFO L87 Difference]: Start difference. First operand 126 states and 161 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:57:46,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:46,911 INFO L93 Difference]: Finished difference Result 364 states and 483 transitions. [2023-12-15 22:57:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 22:57:46,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 3 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 40 [2023-12-15 22:57:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:46,913 INFO L225 Difference]: With dead ends: 364 [2023-12-15 22:57:46,913 INFO L226 Difference]: Without dead ends: 240 [2023-12-15 22:57:46,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:46,914 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 178 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:46,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 213 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:46,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-15 22:57:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2023-12-15 22:57:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 172 states have (on average 1.25) internal successors, (215), 184 states have internal predecessors, (215), 35 states have call successors, (35), 29 states have call predecessors, (35), 30 states have return successors, (54), 35 states have call predecessors, (54), 35 states have call successors, (54) [2023-12-15 22:57:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 304 transitions. [2023-12-15 22:57:46,939 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 304 transitions. Word has length 40 [2023-12-15 22:57:46,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:46,942 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 304 transitions. [2023-12-15 22:57:46,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-15 22:57:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 304 transitions. [2023-12-15 22:57:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-15 22:57:46,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:46,943 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:46,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:57:46,944 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:46,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:46,944 INFO L85 PathProgramCache]: Analyzing trace with hash 282924872, now seen corresponding path program 1 times [2023-12-15 22:57:46,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:46,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493650896] [2023-12-15 22:57:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:46,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 22:57:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:47,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493650896] [2023-12-15 22:57:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493650896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:47,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:47,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:57:47,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549525404] [2023-12-15 22:57:47,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:47,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:57:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:57:47,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:57:47,215 INFO L87 Difference]: Start difference. First operand 238 states and 304 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-15 22:57:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:47,631 INFO L93 Difference]: Finished difference Result 636 states and 857 transitions. [2023-12-15 22:57:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-15 22:57:47,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (5), 4 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 44 [2023-12-15 22:57:47,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:47,634 INFO L225 Difference]: With dead ends: 636 [2023-12-15 22:57:47,634 INFO L226 Difference]: Without dead ends: 444 [2023-12-15 22:57:47,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2023-12-15 22:57:47,635 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 454 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:47,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 295 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-15 22:57:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 370. [2023-12-15 22:57:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 267 states have (on average 1.2397003745318351) internal successors, (331), 288 states have internal predecessors, (331), 54 states have call successors, (54), 41 states have call predecessors, (54), 48 states have return successors, (86), 53 states have call predecessors, (86), 54 states have call successors, (86) [2023-12-15 22:57:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 471 transitions. [2023-12-15 22:57:47,660 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 471 transitions. Word has length 44 [2023-12-15 22:57:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:47,660 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 471 transitions. [2023-12-15 22:57:47,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-15 22:57:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 471 transitions. [2023-12-15 22:57:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 22:57:47,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:47,661 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-15 22:57:47,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:57:47,662 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:47,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:47,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1433965477, now seen corresponding path program 1 times [2023-12-15 22:57:47,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:47,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766922366] [2023-12-15 22:57:47,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:57:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:57:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:57:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-15 22:57:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:47,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766922366] [2023-12-15 22:57:47,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766922366] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:47,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642945633] [2023-12-15 22:57:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:47,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:57:47,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:57:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:47,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:57:47,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:57:47,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-15 22:57:48,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642945633] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:48,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-12-15 22:57:48,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787622863] [2023-12-15 22:57:48,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:48,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:57:48,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:48,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:57:48,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:57:48,127 INFO L87 Difference]: Start difference. First operand 370 states and 471 transitions. Second operand has 15 states, 12 states have (on average 7.833333333333333) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-15 22:57:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:48,724 INFO L93 Difference]: Finished difference Result 772 states and 1003 transitions. [2023-12-15 22:57:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-15 22:57:48,725 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 7.833333333333333) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 78 [2023-12-15 22:57:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:48,726 INFO L225 Difference]: With dead ends: 772 [2023-12-15 22:57:48,726 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:57:48,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=260, Invalid=1072, Unknown=0, NotChecked=0, Total=1332 [2023-12-15 22:57:48,728 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 255 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:48,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 900 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 22:57:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:57:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:57:48,728 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) [2023-12-15 22:57:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:57:48,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2023-12-15 22:57:48,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:48,729 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:57:48,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 7.833333333333333) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-15 22:57:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:57:48,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:57:48,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:57:48,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 22:57:48,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 22:57:48,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:57:50,338 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2023-12-15 22:57:50,339 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 352 359) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-12-15 22:57:50,339 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 267 273) no Hoare annotation was computed. [2023-12-15 22:57:50,339 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 267 273) the Hoare annotation is: true [2023-12-15 22:57:50,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 84 95) the Hoare annotation is: true [2023-12-15 22:57:50,339 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2023-12-15 22:57:50,339 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L920(lines 895 924) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 913) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L902 garLoopResultBuilder]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2023-12-15 22:57:50,340 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 895 924) the Hoare annotation is: true [2023-12-15 22:57:50,340 INFO L902 garLoopResultBuilder]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2023-12-15 22:57:50,340 INFO L902 garLoopResultBuilder]: At program point L901(line 901) the Hoare annotation is: true [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L901-1(line 901) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2023-12-15 22:57:50,340 INFO L895 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse3 (not .cse1)))) [2023-12-15 22:57:50,340 INFO L899 garLoopResultBuilder]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L64-2(lines 60 71) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 260) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 448) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L444-2(lines 444 448) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L895 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse0 .cse3 .cse2) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse4) (let ((.cse6 (= ~waterLevel~0 1))) (or (and .cse5 .cse6 .cse7) .cse3 .cse8 .cse2 (and .cse1 .cse6 .cse7))) (let ((.cse9 (<= ~waterLevel~0 2))) (or (< |old(~switchedOnBeforeTS~0)| 1) (and .cse1 .cse9 .cse7) .cse8 .cse2 .cse4 (and .cse5 .cse9 .cse7))))) [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L247-2(lines 243 265) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 317) no Hoare annotation was computed. [2023-12-15 22:57:50,341 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 322) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or (and .cse1 .cse3 .cse4) .cse0 .cse2 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse2 (and .cse7 .cse3 .cse4) .cse5) (or (and .cse7 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse6 .cse2))) [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 240 266) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or (and .cse1 .cse3 .cse4) .cse0 .cse2 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse2 (and .cse7 .cse3 .cse4) .cse5) (or (and .cse7 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse6 .cse2))) [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point L872-1(lines 864 892) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4)) (or (and .cse3 (= ~waterLevel~0 1) .cse4) (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1) (or .cse5 .cse2) (or .cse5 (not .cse1)))) [2023-12-15 22:57:50,342 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4)) (or (and .cse3 (= ~waterLevel~0 1) .cse4) (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1) (or .cse5 .cse2) (or .cse5 (not .cse1)))) [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2023-12-15 22:57:50,342 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 240 266) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L225(lines 164 229) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L895 garLoopResultBuilder]: At program point L222(lines 173 223) the Hoare annotation is: false [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 216) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L895 garLoopResultBuilder]: At program point L210-2(lines 204 217) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse4 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4)))) [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 464) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 458 464) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:57:50,343 INFO L895 garLoopResultBuilder]: At program point L219(lines 174 221) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse4 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4)))) [2023-12-15 22:57:50,343 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse4 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4)))) [2023-12-15 22:57:50,343 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 987) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 987) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L175(lines 174 221) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 217) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-12-15 22:57:50,344 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse4 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse6) (and .cse5 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4)))) [2023-12-15 22:57:50,344 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) .cse1))) [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 275 299) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1))) [2023-12-15 22:57:50,344 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 275 299) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 137 150) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 275 299) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2023-12-15 22:57:50,344 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 335 351) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L899 garLoopResultBuilder]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 83) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (< ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (= ~pumpRunning~0 0)) .cse1 .cse2 .cse3))) [2023-12-15 22:57:50,345 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2023-12-15 22:57:50,345 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 371 379) the Hoare annotation is: true [2023-12-15 22:57:50,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:50,348 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:57:50,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:57:50 BoogieIcfgContainer [2023-12-15 22:57:50,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:57:50,356 INFO L158 Benchmark]: Toolchain (without parser) took 6036.95ms. Allocated memory was 255.9MB in the beginning and 321.9MB in the end (delta: 66.1MB). Free memory was 201.6MB in the beginning and 208.8MB in the end (delta: -7.2MB). Peak memory consumption was 169.5MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,356 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:57:50,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.89ms. Allocated memory is still 255.9MB. Free memory was 201.1MB in the beginning and 181.0MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.26ms. Allocated memory is still 255.9MB. Free memory was 181.0MB in the beginning and 178.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,356 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 255.9MB. Free memory was 178.5MB in the beginning and 176.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,356 INFO L158 Benchmark]: RCFGBuilder took 377.09ms. Allocated memory is still 255.9MB. Free memory was 176.4MB in the beginning and 152.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,357 INFO L158 Benchmark]: TraceAbstraction took 5269.07ms. Allocated memory was 255.9MB in the beginning and 321.9MB in the end (delta: 66.1MB). Free memory was 152.3MB in the beginning and 208.8MB in the end (delta: -56.5MB). Peak memory consumption was 120.2MB. Max. memory is 8.0GB. [2023-12-15 22:57:50,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.89ms. Allocated memory is still 255.9MB. Free memory was 201.1MB in the beginning and 181.0MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.26ms. Allocated memory is still 255.9MB. Free memory was 181.0MB in the beginning and 178.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 255.9MB. Free memory was 178.5MB in the beginning and 176.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 377.09ms. Allocated memory is still 255.9MB. Free memory was 176.4MB in the beginning and 152.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 5269.07ms. Allocated memory was 255.9MB in the beginning and 321.9MB in the end (delta: 66.1MB). Free memory was 152.3MB in the beginning and 208.8MB in the end (delta: -56.5MB). Peak memory consumption was 120.2MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [160] - GenericResultAtLocation [Line: 230]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] - GenericResultAtLocation [Line: 469]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [469] - GenericResultAtLocation [Line: 835]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [835] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [844] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [893] - GenericResultAtLocation [Line: 993]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [993] * 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: 840]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1278 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1242 mSDsluCounter, 2791 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1961 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2211 IncrementalHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 830 mSDtfsCounter, 2211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 241 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=370occurred in iteration=9, InterpolantAutomatonStates: 92, 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, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 556 PreInvPairs, 644 NumberOfFragments, 855 HoareAnnotationTreeSize, 556 FormulaSimplifications, 1633 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FormulaSimplificationsInter, 4101 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 3 NumberOfNonLiveVariables, 309 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 79/99 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (tmp == 1)) && !((0 == systemActive))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (tmp == 1)) && !((0 == systemActive)))) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:57:50,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...