/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/signedintegeroverflow-regression/PostfixIncrement.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:48:53,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:48:53,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:48:53,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:48:53,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:48:53,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:48:53,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:48:53,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:48:53,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:48:53,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:48:53,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:48:53,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:48:53,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:48:53,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:48:53,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:48:53,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:48:53,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:48:53,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:48:53,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:48:53,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:48:53,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:48:53,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:48:53,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:48:53,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:48:53,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:48:53,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:48:53,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:48:53,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:48:53,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:48:53,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:48:53,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:48:53,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:48:53,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:48:53,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:48:53,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:48:53,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:48:53,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:48:53,723 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:48:53,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:48:53,726 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:48:53,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:48:53,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:48:53,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:48:53,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:48:53,728 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:48:53,728 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:48:53,728 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:48:53,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:48:53,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:48:53,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:48:53,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:48:53,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:48:53,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:48:53,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:48:53,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:48:53,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:48:53,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:48:53,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:48:53,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:48:53,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:48:54,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:48:54,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:48:54,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:48:54,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:48:54,282 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:48:54,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/PostfixIncrement.i [2022-10-15 17:48:54,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a9c7133/59f0356c095f48e7a1c11f3e9f335329/FLAGfced8f411 [2022-10-15 17:48:55,170 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:48:55,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/PostfixIncrement.i [2022-10-15 17:48:55,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a9c7133/59f0356c095f48e7a1c11f3e9f335329/FLAGfced8f411 [2022-10-15 17:48:55,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a9c7133/59f0356c095f48e7a1c11f3e9f335329 [2022-10-15 17:48:55,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:48:55,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:48:55,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:48:55,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:48:55,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:48:55,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:55,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473cc492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55, skipping insertion in model container [2022-10-15 17:48:55,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:55,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:48:55,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:48:55,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:48:55,918 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:48:55,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:48:55,991 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:48:55,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55 WrapperNode [2022-10-15 17:48:55,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:48:55,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:48:55,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:48:55,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:48:56,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,048 INFO L138 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-10-15 17:48:56,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:48:56,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:48:56,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:48:56,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:48:56,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:48:56,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:48:56,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:48:56,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:48:56,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (1/1) ... [2022-10-15 17:48:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:48:56,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:48:56,117 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) [2022-10-15 17:48:56,140 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 [2022-10-15 17:48:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:48:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:48:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:48:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:48:56,305 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:48:56,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:48:56,401 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:48:56,413 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:48:56,414 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:48:56,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:48:56 BoogieIcfgContainer [2022-10-15 17:48:56,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:48:56,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:48:56,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:48:56,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:48:56,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:48:55" (1/3) ... [2022-10-15 17:48:56,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc42d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:48:56, skipping insertion in model container [2022-10-15 17:48:56,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:48:55" (2/3) ... [2022-10-15 17:48:56,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc42d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:48:56, skipping insertion in model container [2022-10-15 17:48:56,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:48:56" (3/3) ... [2022-10-15 17:48:56,434 INFO L112 eAbstractionObserver]: Analyzing ICFG PostfixIncrement.i [2022-10-15 17:48:56,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:48:56,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-15 17:48:56,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:48:56,576 INFO L357 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, mHoare=false, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ae34b7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:48:56,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-15 17:48:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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) [2022-10-15 17:48:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-15 17:48:56,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:48:56,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-15 17:48:56,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:48:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:48:56,611 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-10-15 17:48:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:48:56,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164053047] [2022-10-15 17:48:56,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:48:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:48:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:48:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:48:56,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:48:56,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164053047] [2022-10-15 17:48:56,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164053047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:48:56,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:48:56,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:48:56,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644474419] [2022-10-15 17:48:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:48:56,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:48:56,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:48:56,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:48:56,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:48:56,966 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-10-15 17:48:57,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:48:57,004 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2022-10-15 17:48:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:48:57,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-10-15 17:48:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:48:57,020 INFO L225 Difference]: With dead ends: 5 [2022-10-15 17:48:57,020 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 17:48:57,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:48:57,035 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:48:57,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:48:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 17:48:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 17:48:57,074 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) [2022-10-15 17:48:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 17:48:57,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-10-15 17:48:57,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:48:57,077 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 17:48:57,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-10-15 17:48:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 17:48:57,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 17:48:57,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-10-15 17:48:57,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:48:57,087 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-15 17:48:57,091 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 17:48:57,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 05:48:57 BoogieIcfgContainer [2022-10-15 17:48:57,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 17:48:57,102 INFO L158 Benchmark]: Toolchain (without parser) took 1682.60ms. Allocated memory is still 155.2MB. Free memory was 129.0MB in the beginning and 119.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-10-15 17:48:57,104 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:48:57,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.83ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 115.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-15 17:48:57,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 113.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 17:48:57,115 INFO L158 Benchmark]: Boogie Preprocessor took 24.75ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 112.5MB in the end (delta: 847.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:48:57,118 INFO L158 Benchmark]: RCFGBuilder took 342.61ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 103.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-15 17:48:57,118 INFO L158 Benchmark]: TraceAbstraction took 678.97ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 119.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:48:57,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 562.83ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 115.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 113.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.75ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 112.5MB in the end (delta: 847.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 342.61ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 103.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 678.97ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 119.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 331]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! [2022-10-15 17:48:57,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...