/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/hardness-nfm22/hardness_operatoramount_amount10_file-65.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:50:26,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:50:26,817 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 04:50:26,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:50:26,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:50:26,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:50:26,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:50:26,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:50:26,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:50:26,846 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:50:26,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:50:26,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:50:26,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:50:26,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:50:26,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:50:26,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:50:26,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:50:26,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:50:26,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:50:26,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:50:26,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:50:26,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:50:26,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:50:26,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:50:26,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:50:26,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:50:26,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:50:26,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:50:26,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:50:26,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:50:26,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:50:26,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:50:26,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:50:26,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:50:26,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:50:26,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:50:26,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:50:26,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:50:26,855 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:50:26,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:50:26,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:50:26,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:50:26,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:50:26,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:50:26,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:50:27,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:50:27,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:50:27,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:50:27,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:50:27,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:50:27,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-03 04:50:28,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:50:28,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:50:28,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-03 04:50:28,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4ca657b/8b344848acac4acf8ecaddf45c30415a/FLAGf245f8d90 [2024-11-03 04:50:28,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4ca657b/8b344848acac4acf8ecaddf45c30415a [2024-11-03 04:50:28,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:50:28,744 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:50:28,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:50:28,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:50:28,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:50:28,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:50:28" (1/1) ... [2024-11-03 04:50:28,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512cf5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:28, skipping insertion in model container [2024-11-03 04:50:28,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:50:28" (1/1) ... [2024-11-03 04:50:28,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:50:28,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i[915,928] [2024-11-03 04:50:28,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:50:28,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:50:28,986 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i[915,928] [2024-11-03 04:50:29,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:50:29,021 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:50:29,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29 WrapperNode [2024-11-03 04:50:29,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:50:29,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:50:29,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:50:29,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:50:29,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,060 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-03 04:50:29,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:50:29,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:50:29,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:50:29,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:50:29,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,075 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,084 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]. [2024-11-03 04:50:29,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:50:29,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:50:29,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:50:29,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:50:29,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (1/1) ... [2024-11-03 04:50:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:50:29,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:50:29,134 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 04:50:29,137 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 04:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:50:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:50:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:50:29,220 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:50:29,222 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:50:29,425 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 04:50:29,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:50:29,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:50:29,441 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:50:29,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:50:29 BoogieIcfgContainer [2024-11-03 04:50:29,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:50:29,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:50:29,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:50:29,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:50:29,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:50:28" (1/3) ... [2024-11-03 04:50:29,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab91fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:50:29, skipping insertion in model container [2024-11-03 04:50:29,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:50:29" (2/3) ... [2024-11-03 04:50:29,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab91fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:50:29, skipping insertion in model container [2024-11-03 04:50:29,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:50:29" (3/3) ... [2024-11-03 04:50:29,449 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-65.i [2024-11-03 04:50:29,466 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:50:29,466 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:50:29,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:50:29,519 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;@76af4d9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:50:29,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:50:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 04:50:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-03 04:50:29,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:50:29,532 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:50:29,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:50:29,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:50:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash -618275677, now seen corresponding path program 1 times [2024-11-03 04:50:29,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:50:29,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658136454] [2024-11-03 04:50:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:50:29,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:50:29,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:50:29,571 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 04:50:29,573 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 04:50:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:50:29,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-03 04:50:29,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:50:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 04:50:31,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:50:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 04:50:32,682 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:50:32,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658136454] [2024-11-03 04:50:32,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [658136454] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:50:32,683 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:50:32,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-03 04:50:32,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857261715] [2024-11-03 04:50:32,686 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:50:32,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 04:50:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:50:32,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 04:50:32,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-03 04:50:32,715 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 04:50:34,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:50:34,341 INFO L93 Difference]: Finished difference Result 71 states and 116 transitions. [2024-11-03 04:50:34,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 04:50:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-03 04:50:34,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:50:34,352 INFO L225 Difference]: With dead ends: 71 [2024-11-03 04:50:34,352 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:50:34,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:50:34,358 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 15 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 04:50:34,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 218 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 04:50:34,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:50:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:50:34,377 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) [2024-11-03 04:50:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:50:34,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2024-11-03 04:50:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:50:34,379 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:50:34,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 04:50:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:50:34,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:50:34,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:50:34,385 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 04:50:34,585 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 04:50:34,589 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-03 04:50:34,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:50:34,619 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:50:34,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:50:34 BoogieIcfgContainer [2024-11-03 04:50:34,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:50:34,642 INFO L158 Benchmark]: Toolchain (without parser) took 5894.50ms. Allocated memory was 187.7MB in the beginning and 252.7MB in the end (delta: 65.0MB). Free memory was 139.8MB in the beginning and 192.9MB in the end (delta: -53.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2024-11-03 04:50:34,642 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:50:34,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.79ms. Allocated memory is still 187.7MB. Free memory was 139.8MB in the beginning and 126.2MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 04:50:34,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.47ms. Allocated memory is still 187.7MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 04:50:34,643 INFO L158 Benchmark]: Boogie Preprocessor took 38.33ms. Allocated memory is still 187.7MB. Free memory was 124.5MB in the beginning and 122.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 04:50:34,644 INFO L158 Benchmark]: RCFGBuilder took 336.98ms. Allocated memory is still 187.7MB. Free memory was 122.0MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 04:50:34,644 INFO L158 Benchmark]: TraceAbstraction took 5193.78ms. Allocated memory was 187.7MB in the beginning and 252.7MB in the end (delta: 65.0MB). Free memory was 108.8MB in the beginning and 192.9MB in the end (delta: -84.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:50:34,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.79ms. Allocated memory is still 187.7MB. Free memory was 139.8MB in the beginning and 126.2MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.47ms. Allocated memory is still 187.7MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.33ms. Allocated memory is still 187.7MB. Free memory was 124.5MB in the beginning and 122.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 336.98ms. Allocated memory is still 187.7MB. Free memory was 122.0MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5193.78ms. Allocated memory was 187.7MB in the beginning and 252.7MB in the end (delta: 65.0MB). Free memory was 108.8MB in the beginning and 192.9MB in the end (delta: -84.1MB). There was no memory consumed. Max. memory is 8.0GB. * 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: 19]: 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 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 38 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 27 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 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: 67]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:50:34,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...