/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-36.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:48:58,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:48:58,354 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 04:48:58,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:48:58,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:48:58,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:48:58,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:48:58,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:48:58,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:48:58,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:48:58,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:48:58,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:48:58,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:48:58,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:48:58,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:48:58,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:48:58,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:48:58,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:48:58,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:48:58,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:48:58,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:48:58,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:48:58,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:48:58,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:48:58,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:48:58,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:48:58,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:48:58,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:48:58,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:48:58,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:48:58,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:48:58,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:48:58,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:48:58,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:48:58,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:48:58,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:48:58,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:48:58,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:48:58,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:58,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:48:58,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:48:58,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:48:58,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:48:58,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:48:58,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-36.i [2024-11-03 04:48:59,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:49:00,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:49:00,070 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-36.i [2024-11-03 04:49:00,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8610293d/f3fbe545fc504b8bbd63bd2df45c947d/FLAG2ceb2ee17 [2024-11-03 04:49:00,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8610293d/f3fbe545fc504b8bbd63bd2df45c947d [2024-11-03 04:49:00,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:49:00,091 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:49:00,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:49:00,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:49:00,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:49:00,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fad41d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00, skipping insertion in model container [2024-11-03 04:49:00,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:49:00,241 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-36.i[915,928] [2024-11-03 04:49:00,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:49:00,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:49:00,278 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-36.i[915,928] [2024-11-03 04:49:00,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:49:00,317 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:49:00,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00 WrapperNode [2024-11-03 04:49:00,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:49:00,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:49:00,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:49:00,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:49:00,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,363 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-03 04:49:00,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:49:00,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:49:00,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:49:00,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:49:00,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,390 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 04:49:00,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:49:00,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:49:00,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:49:00,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:49:00,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (1/1) ... [2024-11-03 04:49:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:49:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:49:00,441 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 04:49:00,443 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 04:49:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:49:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:49:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:49:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:49:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:49:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:49:00,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:49:00,536 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:49:00,709 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 04:49:00,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:49:00,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:49:00,719 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:49:00,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:00 BoogieIcfgContainer [2024-11-03 04:49:00,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:49:00,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:49:00,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:49:00,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:49:00,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:49:00" (1/3) ... [2024-11-03 04:49:00,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a43343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:00, skipping insertion in model container [2024-11-03 04:49:00,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:00" (2/3) ... [2024-11-03 04:49:00,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a43343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:00, skipping insertion in model container [2024-11-03 04:49:00,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:00" (3/3) ... [2024-11-03 04:49:00,731 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-36.i [2024-11-03 04:49:00,743 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:49:00,743 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:49:00,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:49:00,799 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;@3b7b7c54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:49:00,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:49:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-03 04:49:00,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-03 04:49:00,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:00,812 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:49:00,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:00,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash 897699725, now seen corresponding path program 1 times [2024-11-03 04:49:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:00,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457476428] [2024-11-03 04:49:00,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:00,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:00,827 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 04:49:00,832 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 04:49:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:00,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 04:49:00,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-03 04:49:00,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-03 04:49:01,009 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:01,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457476428] [2024-11-03 04:49:01,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1457476428] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:49:01,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:49:01,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 04:49:01,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774278013] [2024-11-03 04:49:01,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:01,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 04:49:01,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:01,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 04:49:01,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:49:01,043 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-03 04:49:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:01,067 INFO L93 Difference]: Finished difference Result 77 states and 126 transitions. [2024-11-03 04:49:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 04:49:01,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2024-11-03 04:49:01,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:01,077 INFO L225 Difference]: With dead ends: 77 [2024-11-03 04:49:01,077 INFO L226 Difference]: Without dead ends: 38 [2024-11-03 04:49:01,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 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 04:49:01,082 INFO L432 NwaCegarLoop]: 53 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, 53 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 04:49:01,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 04:49:01,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-03 04:49:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-03 04:49:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-03 04:49:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2024-11-03 04:49:01,113 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 78 [2024-11-03 04:49:01,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:01,113 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2024-11-03 04:49:01,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-03 04:49:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-03 04:49:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-03 04:49:01,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:01,116 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:49:01,127 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 04:49:01,322 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 04:49:01,322 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:01,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:01,323 INFO L85 PathProgramCache]: Analyzing trace with hash -557582451, now seen corresponding path program 1 times [2024-11-03 04:49:01,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:01,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075292107] [2024-11-03 04:49:01,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:01,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:01,328 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 04:49:01,333 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 04:49:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:01,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-03 04:49:01,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:03,016 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:03,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:03,521 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:03,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075292107] [2024-11-03 04:49:03,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2075292107] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:03,522 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:03,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2024-11-03 04:49:03,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300436154] [2024-11-03 04:49:03,522 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:03,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 04:49:03,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:03,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 04:49:03,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:49:03,524 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:49:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:04,144 INFO L93 Difference]: Finished difference Result 123 states and 169 transitions. [2024-11-03 04:49:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 04:49:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 78 [2024-11-03 04:49:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:04,147 INFO L225 Difference]: With dead ends: 123 [2024-11-03 04:49:04,148 INFO L226 Difference]: Without dead ends: 121 [2024-11-03 04:49:04,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-03 04:49:04,152 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 171 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:04,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 286 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-03 04:49:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-03 04:49:04,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2024-11-03 04:49:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 78 states have internal predecessors, (92), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-03 04:49:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 160 transitions. [2024-11-03 04:49:04,170 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 160 transitions. Word has length 78 [2024-11-03 04:49:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:04,170 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 160 transitions. [2024-11-03 04:49:04,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:49:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2024-11-03 04:49:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-03 04:49:04,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:04,171 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:49:04,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 04:49:04,373 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 04:49:04,373 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:04,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:04,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1217424911, now seen corresponding path program 1 times [2024-11-03 04:49:04,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:04,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714925120] [2024-11-03 04:49:04,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:04,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:04,377 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 04:49:04,378 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 04:49:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:04,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-03 04:49:04,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 11 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 04:49:05,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:05,734 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:05,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714925120] [2024-11-03 04:49:05,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1714925120] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:49:05,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:49:05,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-03 04:49:05,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287837483] [2024-11-03 04:49:05,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:05,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 04:49:05,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:05,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 04:49:05,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-11-03 04:49:05,736 INFO L87 Difference]: Start difference. First operand 115 states and 160 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-03 04:49:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:06,080 INFO L93 Difference]: Finished difference Result 127 states and 173 transitions. [2024-11-03 04:49:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 04:49:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 78 [2024-11-03 04:49:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:06,087 INFO L225 Difference]: With dead ends: 127 [2024-11-03 04:49:06,087 INFO L226 Difference]: Without dead ends: 125 [2024-11-03 04:49:06,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-03 04:49:06,094 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 33 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:06,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 174 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 04:49:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-03 04:49:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118. [2024-11-03 04:49:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 81 states have internal predecessors, (95), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-03 04:49:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 163 transitions. [2024-11-03 04:49:06,121 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 163 transitions. Word has length 78 [2024-11-03 04:49:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:06,121 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 163 transitions. [2024-11-03 04:49:06,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-03 04:49:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2024-11-03 04:49:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-03 04:49:06,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:06,122 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:49:06,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 04:49:06,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:06,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:06,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:06,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1320021602, now seen corresponding path program 1 times [2024-11-03 04:49:06,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:06,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079254459] [2024-11-03 04:49:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:06,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:06,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:06,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:49:06,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 04:49:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:06,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-03 04:49:06,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:06,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:07,928 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079254459] [2024-11-03 04:49:07,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2079254459] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:07,929 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:07,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 9] imperfect sequences [] total 14 [2024-11-03 04:49:07,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439811371] [2024-11-03 04:49:07,929 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:07,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 04:49:07,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:07,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 04:49:07,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:49:07,931 INFO L87 Difference]: Start difference. First operand 118 states and 163 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-03 04:49:08,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:08,702 INFO L93 Difference]: Finished difference Result 382 states and 519 transitions. [2024-11-03 04:49:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 04:49:08,702 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 79 [2024-11-03 04:49:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:08,704 INFO L225 Difference]: With dead ends: 382 [2024-11-03 04:49:08,705 INFO L226 Difference]: Without dead ends: 267 [2024-11-03 04:49:08,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 137 SyntacticMatches, 9 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-03 04:49:08,706 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 144 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:08,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 280 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 04:49:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-03 04:49:08,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 228. [2024-11-03 04:49:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 144 states have (on average 1.1597222222222223) internal successors, (167), 148 states have internal predecessors, (167), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-03 04:49:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 315 transitions. [2024-11-03 04:49:08,743 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 315 transitions. Word has length 79 [2024-11-03 04:49:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:08,743 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 315 transitions. [2024-11-03 04:49:08,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-03 04:49:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 315 transitions. [2024-11-03 04:49:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-03 04:49:08,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:08,745 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 04:49:08,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 04:49:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:08,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:08,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1790672420, now seen corresponding path program 1 times [2024-11-03 04:49:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142644005] [2024-11-03 04:49:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:08,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:08,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:08,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:49:08,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 04:49:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:09,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-03 04:49:09,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:09,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-03 04:49:09,976 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142644005] [2024-11-03 04:49:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2142644005] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:09,976 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2024-11-03 04:49:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432175269] [2024-11-03 04:49:09,976 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:09,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 04:49:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:09,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 04:49:09,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:49:09,978 INFO L87 Difference]: Start difference. First operand 228 states and 315 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:49:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:10,527 INFO L93 Difference]: Finished difference Result 249 states and 337 transitions. [2024-11-03 04:49:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-03 04:49:10,528 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 80 [2024-11-03 04:49:10,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:10,529 INFO L225 Difference]: With dead ends: 249 [2024-11-03 04:49:10,529 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:49:10,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2024-11-03 04:49:10,531 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 107 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:10,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 224 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 04:49:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:49:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:49:10,532 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 04:49:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:49:10,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2024-11-03 04:49:10,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:10,532 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:49:10,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:49:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:49:10,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:49:10,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:49:10,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-03 04:49:10,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:10,742 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-03 04:49:10,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:49:10,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:49:11,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:49:11 BoogieIcfgContainer [2024-11-03 04:49:11,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:49:11,005 INFO L158 Benchmark]: Toolchain (without parser) took 10913.51ms. Allocated memory was 251.7MB in the beginning and 549.5MB in the end (delta: 297.8MB). Free memory was 188.5MB in the beginning and 453.1MB in the end (delta: -264.6MB). Peak memory consumption was 296.8MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,005 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 251.7MB. Free memory is still 202.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:49:11,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.37ms. Allocated memory was 251.7MB in the beginning and 369.1MB in the end (delta: 117.4MB). Free memory was 188.2MB in the beginning and 335.6MB in the end (delta: -147.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 369.1MB. Free memory was 335.6MB in the beginning and 333.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,005 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 369.1MB. Free memory was 333.6MB in the beginning and 331.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,006 INFO L158 Benchmark]: RCFGBuilder took 307.98ms. Allocated memory is still 369.1MB. Free memory was 331.5MB in the beginning and 318.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,006 INFO L158 Benchmark]: TraceAbstraction took 10282.73ms. Allocated memory was 369.1MB in the beginning and 549.5MB in the end (delta: 180.4MB). Free memory was 317.8MB in the beginning and 453.1MB in the end (delta: -135.3MB). Peak memory consumption was 307.2MB. Max. memory is 8.0GB. [2024-11-03 04:49:11,011 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 251.7MB. Free memory is still 202.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.37ms. Allocated memory was 251.7MB in the beginning and 369.1MB in the end (delta: 117.4MB). Free memory was 188.2MB in the beginning and 335.6MB in the end (delta: -147.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 369.1MB. Free memory was 335.6MB in the beginning and 333.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 369.1MB. Free memory was 333.6MB in the beginning and 331.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 307.98ms. Allocated memory is still 369.1MB. Free memory was 331.5MB in the beginning and 318.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 10282.73ms. Allocated memory was 369.1MB in the beginning and 549.5MB in the end (delta: 180.4MB). Free memory was 317.8MB in the beginning and 453.1MB in the end (delta: -135.3MB). Peak memory consumption was 307.2MB. 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 5, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 455 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 455 mSDsluCounter, 1017 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 787 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 722 IncrementalHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 230 mSDtfsCounter, 722 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 809 GetRequests, 718 SyntacticMatches, 9 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=4, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 52 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 776 ConstructedInterpolants, 9 QuantifiedInterpolants, 4433 SizeOfPredicates, 137 NumberOfNonLiveVariables, 636 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2585/2640 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: 77]: Loop Invariant Derived loop invariant: ((((var_1_1 == 1) || !(((var_1_2 + -var_1_4) % 4294967296) <= last_1_var_1_7)) || (var_1_6 != 0)) && (((var_1_6 == 0) || !(((var_1_2 + -var_1_4) % 4294967296) <= last_1_var_1_7)) || (var_1_1 == 0))) - 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_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (last_1_var_1_7 == \old(last_1_var_1_7))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:49:11,034 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...