/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-43.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:49:19,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:49:19,628 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 04:49:19,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:49:19,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:49:19,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:49:19,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:49:19,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:49:19,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:49:19,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:49:19,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:49:19,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:49:19,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:49:19,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:49:19,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:49:19,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:49:19,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:49:19,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:49:19,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:49:19,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:49:19,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:49:19,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:49:19,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:49:19,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:49:19,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:49:19,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:49:19,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:49:19,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:49:19,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:49:19,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:49:19,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:49:19,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:49:19,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:49:19,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:49:19,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:49:19,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:49:19,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:49:19,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:49:19,677 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:49:19,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:49:19,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:49:19,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:49:19,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:49:19,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:49:19,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:19,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:49:19,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:49:19,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:49:19,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:49:19,932 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:49:19,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-43.i [2024-11-03 04:49:21,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:49:21,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:49:21,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-43.i [2024-11-03 04:49:21,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47770eaa5/deed1386e3594b0485d6e46fac6608d9/FLAG1aa2b6e94 [2024-11-03 04:49:21,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47770eaa5/deed1386e3594b0485d6e46fac6608d9 [2024-11-03 04:49:21,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:49:21,486 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:49:21,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:49:21,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:49:21,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:49:21,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec8148a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21, skipping insertion in model container [2024-11-03 04:49:21,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:49:21,670 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-43.i[915,928] [2024-11-03 04:49:21,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:49:21,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:49:21,715 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-43.i[915,928] [2024-11-03 04:49:21,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:49:21,741 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:49:21,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21 WrapperNode [2024-11-03 04:49:21,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:49:21,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:49:21,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:49:21,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:49:21,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,780 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-03 04:49:21,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:49:21,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:49:21,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:49:21,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:49:21,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,793 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,806 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 04:49:21,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:49:21,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:49:21,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:49:21,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:49:21,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (1/1) ... [2024-11-03 04:49:21,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:49:21,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:49:21,878 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 04:49:21,881 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 04:49:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:49:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:49:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:49:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:49:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:49:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:49:21,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:49:21,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:49:22,169 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 04:49:22,169 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:49:22,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:49:22,184 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:49:22,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:22 BoogieIcfgContainer [2024-11-03 04:49:22,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:49:22,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:49:22,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:49:22,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:49:22,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:49:21" (1/3) ... [2024-11-03 04:49:22,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b398a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:22, skipping insertion in model container [2024-11-03 04:49:22,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:49:21" (2/3) ... [2024-11-03 04:49:22,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b398a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:22, skipping insertion in model container [2024-11-03 04:49:22,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:22" (3/3) ... [2024-11-03 04:49:22,192 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-43.i [2024-11-03 04:49:22,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:49:22,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:49:22,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:49:22,267 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;@67c41717, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:49:22,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:49:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 04:49:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-03 04:49:22,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:22,278 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 04:49:22,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:22,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:22,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2124186055, now seen corresponding path program 1 times [2024-11-03 04:49:22,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:22,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788608608] [2024-11-03 04:49:22,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:22,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:22,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:22,296 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 04:49:22,298 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 04:49:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:22,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-03 04:49:22,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:23,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:24,994 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788608608] [2024-11-03 04:49:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1788608608] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:24,994 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:24,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-03 04:49:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626675173] [2024-11-03 04:49:24,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:25,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 04:49:25,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 04:49:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-03 04:49:25,028 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 04:49:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:25,372 INFO L93 Difference]: Finished difference Result 91 states and 145 transitions. [2024-11-03 04:49:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 04:49:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2024-11-03 04:49:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:25,383 INFO L225 Difference]: With dead ends: 91 [2024-11-03 04:49:25,383 INFO L226 Difference]: Without dead ends: 56 [2024-11-03 04:49:25,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-03 04:49:25,392 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 42 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:25,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 289 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 04:49:25,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-03 04:49:25,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 37. [2024-11-03 04:49:25,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 04:49:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-03 04:49:25,440 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66 [2024-11-03 04:49:25,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:25,442 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-03 04:49:25,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 04:49:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-03 04:49:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-03 04:49:25,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:25,444 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 04:49:25,450 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 04:49:25,646 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 04:49:25,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:25,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1880376511, now seen corresponding path program 1 times [2024-11-03 04:49:25,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:25,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904308364] [2024-11-03 04:49:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:25,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:25,651 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 04:49:25,652 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 04:49:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:25,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-03 04:49:25,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:26,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:27,858 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:27,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904308364] [2024-11-03 04:49:27,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1904308364] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:27,859 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:27,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2024-11-03 04:49:27,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404803757] [2024-11-03 04:49:27,859 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:27,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 04:49:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 04:49:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-03 04:49:27,862 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:49:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:28,151 INFO L93 Difference]: Finished difference Result 89 states and 120 transitions. [2024-11-03 04:49:28,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 04:49:28,152 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 66 [2024-11-03 04:49:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:28,154 INFO L225 Difference]: With dead ends: 89 [2024-11-03 04:49:28,154 INFO L226 Difference]: Without dead ends: 87 [2024-11-03 04:49:28,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-03 04:49:28,158 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 47 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:28,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 242 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 04:49:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-03 04:49:28,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 37. [2024-11-03 04:49:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 04:49:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-03 04:49:28,171 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66 [2024-11-03 04:49:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:28,172 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-03 04:49:28,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 04:49:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-03 04:49:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-03 04:49:28,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:49:28,177 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 04:49:28,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 04:49:28,379 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 04:49:28,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:49:28,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:49:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1602309983, now seen corresponding path program 1 times [2024-11-03 04:49:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:49:28,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121704956] [2024-11-03 04:49:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:49:28,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:49:28,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:49:28,385 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 04:49:28,386 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 04:49:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:49:28,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-03 04:49:28,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:49:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:28,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:49:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 04:49:29,714 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:49:29,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121704956] [2024-11-03 04:49:29,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2121704956] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:49:29,714 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:49:29,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2024-11-03 04:49:29,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164736685] [2024-11-03 04:49:29,714 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:49:29,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 04:49:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:49:29,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 04:49:29,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-03 04:49:29,716 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 04:49:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:49:30,011 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2024-11-03 04:49:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 04:49:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-03 04:49:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:49:30,013 INFO L225 Difference]: With dead ends: 52 [2024-11-03 04:49:30,013 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:49:30,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-03 04:49:30,015 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 34 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 04:49:30,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 302 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 04:49:30,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:49:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:49:30,016 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 04:49:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:49:30,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-03 04:49:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:49:30,017 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:49:30,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 04:49:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:49:30,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:49:30,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:49:30,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-03 04:49:30,220 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 04:49:30,223 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-03 04:49:30,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:49:30,238 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:49:30,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:49:30 BoogieIcfgContainer [2024-11-03 04:49:30,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:49:30,252 INFO L158 Benchmark]: Toolchain (without parser) took 8765.83ms. Allocated memory was 360.7MB in the beginning and 634.4MB in the end (delta: 273.7MB). Free memory was 305.8MB in the beginning and 413.6MB in the end (delta: -107.8MB). Peak memory consumption was 167.5MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,252 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 211.8MB. Free memory was 165.1MB in the beginning and 164.9MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:49:30,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.45ms. Allocated memory is still 360.7MB. Free memory was 305.2MB in the beginning and 292.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 360.7MB. Free memory was 292.1MB in the beginning and 290.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,253 INFO L158 Benchmark]: Boogie Preprocessor took 55.81ms. Allocated memory is still 360.7MB. Free memory was 290.0MB in the beginning and 287.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,254 INFO L158 Benchmark]: RCFGBuilder took 347.14ms. Allocated memory is still 360.7MB. Free memory was 287.9MB in the beginning and 275.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,254 INFO L158 Benchmark]: TraceAbstraction took 8064.85ms. Allocated memory was 360.7MB in the beginning and 634.4MB in the end (delta: 273.7MB). Free memory was 274.3MB in the beginning and 413.6MB in the end (delta: -139.3MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB. [2024-11-03 04:49:30,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 211.8MB. Free memory was 165.1MB in the beginning and 164.9MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.45ms. Allocated memory is still 360.7MB. Free memory was 305.2MB in the beginning and 292.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 360.7MB. Free memory was 292.1MB in the beginning and 290.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.81ms. Allocated memory is still 360.7MB. Free memory was 290.0MB in the beginning and 287.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 347.14ms. Allocated memory is still 360.7MB. Free memory was 287.9MB in the beginning and 275.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8064.85ms. Allocated memory was 360.7MB in the beginning and 634.4MB in the end (delta: 273.7MB). Free memory was 274.3MB in the beginning and 413.6MB in the end (delta: -139.3MB). Peak memory consumption was 136.0MB. 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 3, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 833 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 697 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 136 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 415 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 3 MinimizatonAttempts, 69 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 392 ConstructedInterpolants, 0 QuantifiedInterpolants, 986 SizeOfPredicates, 75 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1080/1080 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: 72]: 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_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:49:30,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...