/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/interpolation2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:53:46,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:53:46,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 05:53:46,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:53:46,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:53:46,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:53:46,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:53:46,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:53:46,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:53:46,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:53:46,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:53:46,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:53:46,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:53:46,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:53:46,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:53:46,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:53:46,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:53:46,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:53:46,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:53:46,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:53:46,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:53:46,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:53:46,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:53:46,636 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:53:46,636 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:53:46,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:53:46,636 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:53:46,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:53:46,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:53:46,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:53:46,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:53:46,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:53:46,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:53:46,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:53:46,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:53:46,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:53:46,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:53:46,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:53:46,639 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:53:46,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:53:46,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:53:46,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:53:46,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:53:46,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:53:46,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:53:46,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:53:46,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:53:46,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:53:46,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:53:46,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:53:46,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/interpolation2.c [2024-11-03 05:53:48,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:53:48,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:53:48,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation2.c [2024-11-03 05:53:48,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca65be49b/ebfb72491bd948fe9e21e9e9e857ea49/FLAG2d085da11 [2024-11-03 05:53:48,567 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca65be49b/ebfb72491bd948fe9e21e9e9e857ea49 [2024-11-03 05:53:48,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:53:48,571 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:53:48,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:53:48,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:53:48,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:53:48,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeb62e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48, skipping insertion in model container [2024-11-03 05:53:48,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:53:48,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation2.c[450,463] [2024-11-03 05:53:48,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:53:48,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:53:48,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation2.c[450,463] [2024-11-03 05:53:48,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:53:48,796 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:53:48,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48 WrapperNode [2024-11-03 05:53:48,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:53:48,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:53:48,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:53:48,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:53:48,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,842 INFO L138 Inliner]: procedures = 19, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-03 05:53:48,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:53:48,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:53:48,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:53:48,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:53:48,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,877 INFO L175 MemorySlicer]: Split 30 memory accesses to 5 slices as follows [2, 6, 8, 8, 6]. 27 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 5, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0, 0]. [2024-11-03 05:53:48,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:53:48,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:53:48,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:53:48,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:53:48,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (1/1) ... [2024-11-03 05:53:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:53:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:53:48,936 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) [2024-11-03 05:53:48,942 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 [2024-11-03 05:53:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:53:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 05:53:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:53:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:53:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 05:53:49,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:53:49,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:53:53,487 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-03 05:53:53,487 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:53:53,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:53:53,501 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:53:53,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:53:53 BoogieIcfgContainer [2024-11-03 05:53:53,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:53:53,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:53:53,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:53:53,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:53:53,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:53:48" (1/3) ... [2024-11-03 05:53:53,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1074169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:53:53, skipping insertion in model container [2024-11-03 05:53:53,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:53:48" (2/3) ... [2024-11-03 05:53:53,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1074169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:53:53, skipping insertion in model container [2024-11-03 05:53:53,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:53:53" (3/3) ... [2024-11-03 05:53:53,508 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation2.c [2024-11-03 05:53:53,520 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:53:53,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:53:53,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:53:53,568 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d0f3437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:53:53,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:53:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:53:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-03 05:53:53,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:53:53,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:53:53,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:53:53,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:53:53,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1235833265, now seen corresponding path program 1 times [2024-11-03 05:53:53,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:53:53,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435038206] [2024-11-03 05:53:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:53:53,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:53:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:53:53,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:53:53,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:53:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:53:53,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:53:53,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:53:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:53:53,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:53:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:53:53,727 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:53:53,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435038206] [2024-11-03 05:53:53,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1435038206] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:53:53,728 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:53:53,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 05:53:53,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209706088] [2024-11-03 05:53:53,729 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:53:53,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:53:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:53:53,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:53:53,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:53:53,749 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:53:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:53:53,758 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2024-11-03 05:53:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:53:53,759 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), 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) Word has length 10 [2024-11-03 05:53:53,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:53:53,763 INFO L225 Difference]: With dead ends: 29 [2024-11-03 05:53:53,763 INFO L226 Difference]: Without dead ends: 13 [2024-11-03 05:53:53,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:53:53,769 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:53:53,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:53:53,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-03 05:53:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-03 05:53:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:53:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-03 05:53:53,790 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2024-11-03 05:53:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:53:53,791 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-03 05:53:53,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:53:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-03 05:53:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-03 05:53:53,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:53:53,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:53:53,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:53:53,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:53:53,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:53:53,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:53:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1178902664, now seen corresponding path program 1 times [2024-11-03 05:53:53,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:53:53,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833985396] [2024-11-03 05:53:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:53:53,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:53:53,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:53:53,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:53:54,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:53:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:53:54,136 WARN L253 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-03 05:53:54,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:53:55,138 INFO L224 Elim1Store]: Index analysis took 305 ms [2024-11-03 05:53:55,899 INFO L349 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2024-11-03 05:53:55,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 71 treesize of output 103 [2024-11-03 05:54:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:54:03,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:54:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:54:03,677 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:54:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833985396] [2024-11-03 05:54:03,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1833985396] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:54:03,678 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:54:03,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2024-11-03 05:54:03,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699744899] [2024-11-03 05:54:03,678 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:54:03,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 05:54:03,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:54:03,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 05:54:03,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:54:03,680 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:54:10,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 05:54:14,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 05:54:18,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 05:54:23,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 05:54:27,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 05:54:27,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:54:27,915 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-11-03 05:54:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 05:54:27,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) Word has length 10 [2024-11-03 05:54:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:54:27,973 INFO L225 Difference]: With dead ends: 23 [2024-11-03 05:54:27,973 INFO L226 Difference]: Without dead ends: 19 [2024-11-03 05:54:27,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:54:27,975 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 37 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-03 05:54:27,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 23 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2024-11-03 05:54:27,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-03 05:54:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-11-03 05:54:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:54:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-11-03 05:54:27,996 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2024-11-03 05:54:27,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:54:27,996 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-03 05:54:27,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:54:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-03 05:54:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-03 05:54:27,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:54:27,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:54:28,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 05:54:28,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:28,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:54:28,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:54:28,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2110328889, now seen corresponding path program 1 times [2024-11-03 05:54:28,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:54:28,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208987198] [2024-11-03 05:54:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:54:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:54:28,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:54:28,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:54:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:54:28,889 WARN L253 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-03 05:54:28,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:54:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:54:29,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:54:34,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 379 [2024-11-03 05:54:34,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 382 treesize of output 322 [2024-11-03 05:54:34,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-03 05:54:34,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 378 treesize of output 294 [2024-11-03 05:54:34,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 226 [2024-11-03 05:54:42,627 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:54:47,703 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:54:53,680 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:55:05,768 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:55:10,900 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:55:22,192 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 05:55:32,929 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)