/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:03:14,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:03:14,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:03:14,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:03:14,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:03:14,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:03:14,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:03:14,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:03:14,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:03:14,639 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:03:14,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:03:14,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:03:14,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:03:14,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:03:14,640 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:03:14,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:03:14,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:03:14,641 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:03:14,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:03:14,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:03:14,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:03:14,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:03:14,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:03:14,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:03:14,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:03:14,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:03:14,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:03:14,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:03:14,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:03:14,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:03:14,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:14,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:03:14,649 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:03:14,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:03:14,651 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:03:14,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:03:14,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:03:14,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:03:14,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:03:14,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:03:14,858 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:03:14,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2023-12-25 06:03:15,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:03:16,194 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:03:16,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2023-12-25 06:03:16,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9077095/02586f7e754e48eebd8590e2ac38165c/FLAG05bf64e51 [2023-12-25 06:03:16,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9077095/02586f7e754e48eebd8590e2ac38165c [2023-12-25 06:03:16,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:03:16,216 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:03:16,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:16,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:03:16,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:03:16,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f17fb18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16, skipping insertion in model container [2023-12-25 06:03:16,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:16,448 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_spec4_product10.cil.c[11718,11731] [2023-12-25 06:03:16,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:16,488 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:03:16,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:03:16,550 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_spec4_product10.cil.c[11718,11731] [2023-12-25 06:03:16,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:16,582 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:03:16,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2023-12-25 06:03:16,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [696] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [763] [2023-12-25 06:03:16,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] [2023-12-25 06:03:16,629 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_spec4_product10.cil.c[11718,11731] [2023-12-25 06:03:16,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:03:16,657 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:03:16,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16 WrapperNode [2023-12-25 06:03:16,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:03:16,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:16,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:03:16,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:03:16,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,690 INFO L138 Inliner]: procedures = 53, calls = 91, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 129 [2023-12-25 06:03:16,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:03:16,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:03:16,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:03:16,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:03:16,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,726 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]. [2023-12-25 06:03:16,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:03:16,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:03:16,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:03:16,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:03:16,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (1/1) ... [2023-12-25 06:03:16,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:03:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:03:16,798 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) [2023-12-25 06:03:16,801 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 [2023-12-25 06:03:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:03:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:03:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:03:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:03:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:03:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:03:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:03:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:03:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:03:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:03:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:03:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:03:16,873 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:03:16,875 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:03:17,033 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:03:17,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:03:17,136 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:03:17,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:17 BoogieIcfgContainer [2023-12-25 06:03:17,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:03:17,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:03:17,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:03:17,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:03:17,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:03:16" (1/3) ... [2023-12-25 06:03:17,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215425c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:17, skipping insertion in model container [2023-12-25 06:03:17,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:03:16" (2/3) ... [2023-12-25 06:03:17,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215425c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:03:17, skipping insertion in model container [2023-12-25 06:03:17,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:03:17" (3/3) ... [2023-12-25 06:03:17,147 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2023-12-25 06:03:17,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:03:17,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:03:17,201 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:03:17,205 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;@36e4b88d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:03:17,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:03:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 35 states have internal predecessors, (50), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-25 06:03:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-25 06:03:17,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:17,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:17,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:17,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1574129878, now seen corresponding path program 1 times [2023-12-25 06:03:17,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:17,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736274266] [2023-12-25 06:03:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:17,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:17,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:03:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:17,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:03:17,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:17,363 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:17,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:17,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736274266] [2023-12-25 06:03:17,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736274266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:17,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:17,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:17,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083635041] [2023-12-25 06:03:17,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:17,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:03:17,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:17,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:03:17,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:17,394 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 35 states have internal predecessors, (50), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:17,432 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2023-12-25 06:03:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:03:17,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-25 06:03:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:17,439 INFO L225 Difference]: With dead ends: 84 [2023-12-25 06:03:17,439 INFO L226 Difference]: Without dead ends: 38 [2023-12-25 06:03:17,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:03:17,448 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:17,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-25 06:03:17,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-12-25 06:03:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 31 states have internal predecessors, (40), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-25 06:03:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-12-25 06:03:17,478 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 12 [2023-12-25 06:03:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:17,478 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-12-25 06:03:17,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-12-25 06:03:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-25 06:03:17,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:17,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:17,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:17,683 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:17,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:17,684 INFO L85 PathProgramCache]: Analyzing trace with hash -461301482, now seen corresponding path program 1 times [2023-12-25 06:03:17,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:17,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966814800] [2023-12-25 06:03:17,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:17,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:17,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:17,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:17,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:03:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:17,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:17,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:17,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:17,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:17,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966814800] [2023-12-25 06:03:17,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966814800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:17,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:17,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:17,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519969980] [2023-12-25 06:03:17,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:17,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:17,763 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:17,794 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2023-12-25 06:03:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-25 06:03:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:17,796 INFO L225 Difference]: With dead ends: 49 [2023-12-25 06:03:17,797 INFO L226 Difference]: Without dead ends: 30 [2023-12-25 06:03:17,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:17,798 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:17,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 51 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-25 06:03:17,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-12-25 06:03:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 26 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:03:17,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2023-12-25 06:03:17,807 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 13 [2023-12-25 06:03:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:17,807 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-12-25 06:03:17,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-25 06:03:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-25 06:03:17,809 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:17,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:17,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-25 06:03:18,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:18,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:18,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1891863629, now seen corresponding path program 1 times [2023-12-25 06:03:18,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:18,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798110254] [2023-12-25 06:03:18,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:18,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:18,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:18,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:03:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:18,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:03:18,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:18,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:18,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798110254] [2023-12-25 06:03:18,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798110254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:18,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:03:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044233459] [2023-12-25 06:03:18,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:18,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:03:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:03:18,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:03:18,090 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:18,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:18,144 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2023-12-25 06:03:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:03:18,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-25 06:03:18,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:18,146 INFO L225 Difference]: With dead ends: 80 [2023-12-25 06:03:18,147 INFO L226 Difference]: Without dead ends: 52 [2023-12-25 06:03:18,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:03:18,148 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 18 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:18,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 86 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:18,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-25 06:03:18,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-25 06:03:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.45) internal successors, (58), 44 states have internal predecessors, (58), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2023-12-25 06:03:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2023-12-25 06:03:18,163 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 16 [2023-12-25 06:03:18,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:18,163 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-12-25 06:03:18,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-12-25 06:03:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:03:18,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:18,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:18,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:18,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:18,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 340429554, now seen corresponding path program 1 times [2023-12-25 06:03:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418766244] [2023-12-25 06:03:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:18,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:18,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:18,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:03:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:18,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:03:18,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:18,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:18,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:18,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418766244] [2023-12-25 06:03:18,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418766244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:18,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:18,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:03:18,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313076013] [2023-12-25 06:03:18,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:18,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:03:18,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:18,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:03:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:18,433 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:18,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:18,446 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2023-12-25 06:03:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:03:18,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-25 06:03:18,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:18,447 INFO L225 Difference]: With dead ends: 78 [2023-12-25 06:03:18,447 INFO L226 Difference]: Without dead ends: 49 [2023-12-25 06:03:18,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:03:18,448 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:18,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:03:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-25 06:03:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-25 06:03:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 41 states have internal predecessors, (52), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-25 06:03:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2023-12-25 06:03:18,452 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 18 [2023-12-25 06:03:18,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:18,453 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2023-12-25 06:03:18,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:03:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-12-25 06:03:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-25 06:03:18,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:03:18,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:03:18,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:18,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,655 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:03:18,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:03:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 264615987, now seen corresponding path program 1 times [2023-12-25 06:03:18,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:03:18,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399164847] [2023-12-25 06:03:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:03:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:03:18,658 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:03:18,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:03:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:03:18,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:03:18,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:03:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:03:18,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:03:18,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:03:18,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399164847] [2023-12-25 06:03:18,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399164847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:03:18,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:03:18,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 06:03:18,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859882064] [2023-12-25 06:03:18,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:03:18,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 06:03:18,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:03:18,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 06:03:18,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:03:18,756 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:18,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:03:18,855 INFO L93 Difference]: Finished difference Result 74 states and 98 transitions. [2023-12-25 06:03:18,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:03:18,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-12-25 06:03:18,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:03:18,856 INFO L225 Difference]: With dead ends: 74 [2023-12-25 06:03:18,856 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:03:18,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-25 06:03:18,857 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 62 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:03:18,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 139 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:03:18,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:03:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:03:18,858 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) [2023-12-25 06:03:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:03:18,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-12-25 06:03:18,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:03:18,858 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:03:18,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:03:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:03:18,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:03:18,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:03:18,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 06:03:19,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:03:19,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:03:19,198 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 801) the Hoare annotation is: true [2023-12-25 06:03:19,198 INFO L899 garLoopResultBuilder]: For program point L794-1(lines 790 801) no Hoare annotation was computed. [2023-12-25 06:03:19,198 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 790 801) no Hoare annotation was computed. [2023-12-25 06:03:19,198 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2023-12-25 06:03:19,198 INFO L899 garLoopResultBuilder]: For program point L770-2(lines 766 777) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 590) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 53 77) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 570 589) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 567 590) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point L481(lines 456 485) no Hoare annotation was computed. [2023-12-25 06:03:19,199 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2023-12-25 06:03:19,200 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-12-25 06:03:19,200 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2023-12-25 06:03:19,200 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2023-12-25 06:03:19,200 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2023-12-25 06:03:19,200 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2023-12-25 06:03:19,200 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-12-25 06:03:19,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 456 485) the Hoare annotation is: true [2023-12-25 06:03:19,200 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 750) no Hoare annotation was computed. [2023-12-25 06:03:19,200 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-25 06:03:19,200 INFO L899 garLoopResultBuilder]: For program point L758(lines 697 762) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 551) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L544-2(lines 544 551) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L895 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: false [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-12-25 06:03:19,201 INFO L899 garLoopResultBuilder]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2023-12-25 06:03:19,206 INFO L895 garLoopResultBuilder]: At program point L752(lines 707 754) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-25 06:03:19,207 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-25 06:03:19,207 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:03:19,207 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2023-12-25 06:03:19,207 INFO L895 garLoopResultBuilder]: At program point L745-2(lines 737 750) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-25 06:03:19,207 INFO L899 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2023-12-25 06:03:19,207 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 778 789) no Hoare annotation was computed. [2023-12-25 06:03:19,207 INFO L899 garLoopResultBuilder]: For program point L782-1(lines 778 789) no Hoare annotation was computed. [2023-12-25 06:03:19,207 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 778 789) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-25 06:03:19,209 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-25 06:03:19,211 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:03:19,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:03:19 BoogieIcfgContainer [2023-12-25 06:03:19,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:03:19,228 INFO L158 Benchmark]: Toolchain (without parser) took 3012.01ms. Allocated memory is still 275.8MB. Free memory was 234.0MB in the beginning and 156.6MB in the end (delta: 77.5MB). Peak memory consumption was 78.4MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,229 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:03:19,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.86ms. Allocated memory is still 275.8MB. Free memory was 234.0MB in the beginning and 209.3MB in the end (delta: 24.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.12ms. Allocated memory is still 275.8MB. Free memory was 208.9MB in the beginning and 207.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,229 INFO L158 Benchmark]: Boogie Preprocessor took 67.52ms. Allocated memory is still 275.8MB. Free memory was 207.2MB in the beginning and 205.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,229 INFO L158 Benchmark]: RCFGBuilder took 380.18ms. Allocated memory is still 275.8MB. Free memory was 204.7MB in the beginning and 179.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,230 INFO L158 Benchmark]: TraceAbstraction took 2087.25ms. Allocated memory is still 275.8MB. Free memory was 179.1MB in the beginning and 156.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. [2023-12-25 06:03:19,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.86ms. Allocated memory is still 275.8MB. Free memory was 234.0MB in the beginning and 209.3MB in the end (delta: 24.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.12ms. Allocated memory is still 275.8MB. Free memory was 208.9MB in the beginning and 207.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.52ms. Allocated memory is still 275.8MB. Free memory was 207.2MB in the beginning and 205.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 380.18ms. Allocated memory is still 275.8MB. Free memory was 204.7MB in the beginning and 179.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2087.25ms. Allocated memory is still 275.8MB. Free memory was 179.1MB in the beginning and 156.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.9MB. 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 696]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [696] - GenericResultAtLocation [Line: 763]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [763] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [843] * 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: 449]: 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 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 349 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 167 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 35 PreInvPairs, 43 NumberOfFragments, 140 HoareAnnotationTreeSize, 35 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FormulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 6 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((waterLevel == 2) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((waterLevel == 1) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:03:19,267 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...