/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:26:13,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:26:13,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:26:13,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 04:26:13,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:26:13,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:26:13,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:26:13,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:26:13,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:26:13,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:26:13,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:26:13,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:26:13,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:26:13,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:26:13,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:26:13,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:26:13,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:26:13,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:26:13,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:26:13,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:26:13,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:26:13,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:26:13,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:26:13,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:26:13,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:26:13,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:26:13,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:26:13,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:26:13,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:26:13,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:26:13,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:26:13,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:26:13,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:26:13,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:26:13,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:26:13,174 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:26:13,174 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:26:13,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:26:13,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:26:13,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:26:13,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:26:13,424 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:26:13,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2022-02-15 04:26:13,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51939ca8/5990eb090bc540a182b91652a66dba58/FLAG81e35a3d2 [2022-02-15 04:26:13,905 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:26:13,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2022-02-15 04:26:13,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51939ca8/5990eb090bc540a182b91652a66dba58/FLAG81e35a3d2 [2022-02-15 04:26:13,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51939ca8/5990eb090bc540a182b91652a66dba58 [2022-02-15 04:26:13,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:26:13,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:26:13,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:26:13,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:26:13,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:26:13,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:26:13" (1/1) ... [2022-02-15 04:26:13,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c816327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:13, skipping insertion in model container [2022-02-15 04:26:13,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:26:13" (1/1) ... [2022-02-15 04:26:13,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:26:13,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:26:14,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2022-02-15 04:26:14,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:26:14,223 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:26:14,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2022-02-15 04:26:14,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:26:14,274 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:26:14,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14 WrapperNode [2022-02-15 04:26:14,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:26:14,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:26:14,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:26:14,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:26:14,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:26:14,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:26:14,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:26:14,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:26:14,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (1/1) ... [2022-02-15 04:26:14,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:26:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:26:14,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 04:26:14,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 04:26:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:26:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:26:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:26:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:26:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:26:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:26:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:26:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:26:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 04:26:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:26:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:26:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:26:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:26:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:26:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:26:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:26:14,485 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:26:14,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:26:14,749 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:26:14,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:26:14,755 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 04:26:14,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:26:14 BoogieIcfgContainer [2022-02-15 04:26:14,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:26:14,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:26:14,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:26:14,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:26:14,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:26:13" (1/3) ... [2022-02-15 04:26:14,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7df5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:26:14, skipping insertion in model container [2022-02-15 04:26:14,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:26:14" (2/3) ... [2022-02-15 04:26:14,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7df5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:26:14, skipping insertion in model container [2022-02-15 04:26:14,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:26:14" (3/3) ... [2022-02-15 04:26:14,770 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2022-02-15 04:26:14,774 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:26:14,774 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:26:14,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:26:14,822 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=QVASR [2022-02-15 04:26:14,822 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:26:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-15 04:26:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-15 04:26:14,842 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:26:14,843 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 04:26:14,843 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:26:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:26:14,848 INFO L85 PathProgramCache]: Analyzing trace with hash -406525713, now seen corresponding path program 1 times [2022-02-15 04:26:14,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:26:14,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907200412] [2022-02-15 04:26:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:26:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:26:14,912 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:26:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:26:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:26:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:26:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:26:15,152 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:26:15,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907200412] [2022-02-15 04:26:15,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [907200412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:26:15,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:26:15,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:26:15,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426971794] [2022-02-15 04:26:15,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:26:15,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:26:15,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:26:15,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:26:15,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:26:15,188 INFO L87 Difference]: Start difference. First operand has 57 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:26:15,446 INFO L93 Difference]: Finished difference Result 156 states and 288 transitions. [2022-02-15 04:26:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:26:15,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-15 04:26:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:26:15,461 INFO L225 Difference]: With dead ends: 156 [2022-02-15 04:26:15,462 INFO L226 Difference]: Without dead ends: 97 [2022-02-15 04:26:15,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:26:15,468 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 193 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:26:15,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 164 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 04:26:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-02-15 04:26:15,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2022-02-15 04:26:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.89010989010989) internal successors, (172), 91 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 175 transitions. [2022-02-15 04:26:15,524 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 175 transitions. Word has length 25 [2022-02-15 04:26:15,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:26:15,525 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 175 transitions. [2022-02-15 04:26:15,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2022-02-15 04:26:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-15 04:26:15,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:26:15,526 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 04:26:15,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:26:15,527 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:26:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:26:15,528 INFO L85 PathProgramCache]: Analyzing trace with hash -406532905, now seen corresponding path program 1 times [2022-02-15 04:26:15,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:26:15,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286066285] [2022-02-15 04:26:15,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:26:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:26:15,531 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:26:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:26:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:26:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:26:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:26:15,585 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:26:15,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286066285] [2022-02-15 04:26:15,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [286066285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:26:15,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:26:15,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:26:15,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569111219] [2022-02-15 04:26:15,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:26:15,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:26:15,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:26:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:26:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:26:15,588 INFO L87 Difference]: Start difference. First operand 95 states and 175 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:26:15,717 INFO L93 Difference]: Finished difference Result 98 states and 178 transitions. [2022-02-15 04:26:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:26:15,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-15 04:26:15,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:26:15,719 INFO L225 Difference]: With dead ends: 98 [2022-02-15 04:26:15,719 INFO L226 Difference]: Without dead ends: 96 [2022-02-15 04:26:15,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:26:15,721 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 128 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:26:15,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 99 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 04:26:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-02-15 04:26:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-02-15 04:26:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2022-02-15 04:26:15,736 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 25 [2022-02-15 04:26:15,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:26:15,736 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2022-02-15 04:26:15,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:26:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2022-02-15 04:26:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-15 04:26:15,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:26:15,737 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 04:26:15,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:26:15,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:26:15,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:26:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1994873615, now seen corresponding path program 1 times [2022-02-15 04:26:15,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:26:15,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056134531] [2022-02-15 04:26:15,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:26:15,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:26:15,741 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:26:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 04:26:15,764 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 04:26:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 04:26:15,801 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 04:26:15,801 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 04:26:15,804 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 04:26:15,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 04:26:15,811 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-15 04:26:15,814 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 04:26:15,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 04:26:15 BoogieIcfgContainer [2022-02-15 04:26:15,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 04:26:15,838 INFO L158 Benchmark]: Toolchain (without parser) took 1902.48ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 123.9MB in the beginning and 142.3MB in the end (delta: -18.3MB). Peak memory consumption was 48.8MB. Max. memory is 8.0GB. [2022-02-15 04:26:15,838 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 04:26:15,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.02ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 123.8MB in the beginning and 219.3MB in the end (delta: -95.5MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-02-15 04:26:15,841 INFO L158 Benchmark]: Boogie Preprocessor took 41.94ms. Allocated memory is still 247.5MB. Free memory was 219.3MB in the beginning and 217.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 04:26:15,841 INFO L158 Benchmark]: RCFGBuilder took 445.00ms. Allocated memory is still 247.5MB. Free memory was 217.8MB in the beginning and 203.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-15 04:26:15,842 INFO L158 Benchmark]: TraceAbstraction took 1072.36ms. Allocated memory is still 247.5MB. Free memory was 202.5MB in the beginning and 142.3MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-02-15 04:26:15,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.02ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 123.8MB in the beginning and 219.3MB in the end (delta: -95.5MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.94ms. Allocated memory is still 247.5MB. Free memory was 219.3MB in the beginning and 217.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 445.00ms. Allocated memory is still 247.5MB. Free memory was 217.8MB in the beginning and 203.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1072.36ms. Allocated memory is still 247.5MB. Free memory was 202.5MB in the beginning and 142.3MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. 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 - CounterExampleResult [Line: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND TRUE p3 != 0 [L97] lk3 = 1 [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND TRUE p5 != 0 [L105] lk5 = 1 [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND TRUE p8 != 0 [L117] lk8 = 1 [L120] COND TRUE p9 != 0 [L121] lk9 = 1 [L124] COND FALSE !(p10 != 0) [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND TRUE p14 != 0 [L141] lk14 = 1 [L146] COND FALSE !(p1 != 0) [L151] COND FALSE !(p2 != 0) [L219] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 247 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-15 04:26:15,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...