/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/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:01:17,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:01:17,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:01:17,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:01:17,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:01:17,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:01:17,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:01:17,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:01:17,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:01:17,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:01:17,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:01:17,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:01:17,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:01:17,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:01:17,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:01:17,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:01:17,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:01:17,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:01:17,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:01:17,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:01:17,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:01:17,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:01:17,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:01:17,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:01:17,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:01:17,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:01:17,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:01:17,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:01:17,586 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 17:01:17,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:01:17,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:01:17,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:01:17,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:01:17,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:01:17,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:01:17,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:01:17,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:01:17,625 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:01:17,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:01:17,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:01:17,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:01:17,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:01:17,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:01:17,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:01:17,628 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:01:17,629 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:01:17,629 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:01:17,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:01:17,629 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:01:17,630 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:01:17,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:01:17,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:01:17,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:01:17,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:01:17,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:01:17,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:01:17,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:01:17,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:01:17,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:01:17,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:01:18,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:01:18,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:01:18,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:01:18,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:01:18,167 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:01:18,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2022-10-15 17:01:18,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d210e0/aff76f89e56f4c76a154866d01710889/FLAGaf23fc04f [2022-10-15 17:01:19,034 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:01:19,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2022-10-15 17:01:19,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d210e0/aff76f89e56f4c76a154866d01710889/FLAGaf23fc04f [2022-10-15 17:01:19,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d210e0/aff76f89e56f4c76a154866d01710889 [2022-10-15 17:01:19,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:01:19,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:01:19,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:01:19,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:01:19,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:01:19,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635e7999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19, skipping insertion in model container [2022-10-15 17:01:19,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:01:19,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:01:19,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2022-10-15 17:01:19,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:01:19,323 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:01:19,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2022-10-15 17:01:19,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:01:19,363 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:01:19,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19 WrapperNode [2022-10-15 17:01:19,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:01:19,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:01:19,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:01:19,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:01:19,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,405 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-15 17:01:19,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:01:19,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:01:19,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:01:19,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:01:19,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:01:19,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:01:19,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:01:19,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:01:19,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (1/1) ... [2022-10-15 17:01:19,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:01:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:01:19,484 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 17:01:19,507 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 17:01:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:01:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:01:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:01:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:01:19,697 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:01:19,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:01:19,960 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:01:19,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:01:19,969 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:01:19,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:01:19 BoogieIcfgContainer [2022-10-15 17:01:19,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:01:19,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:01:19,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:01:19,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:01:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:01:19" (1/3) ... [2022-10-15 17:01:19,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1063406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:01:19, skipping insertion in model container [2022-10-15 17:01:19,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:01:19" (2/3) ... [2022-10-15 17:01:19,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1063406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:01:19, skipping insertion in model container [2022-10-15 17:01:19,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:01:19" (3/3) ... [2022-10-15 17:01:19,984 INFO L112 eAbstractionObserver]: Analyzing ICFG gsv2008.c.i.v+lhb-reducer.c [2022-10-15 17:01:20,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:01:20,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:01:20,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:01:20,181 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;@388af8c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:01:20,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:01:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 13 states have internal predecessors, (18), 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 17:01:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:01:20,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:01:20,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:01:20,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:01:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:01:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash 925631, now seen corresponding path program 1 times [2022-10-15 17:01:20,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:01:20,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544754353] [2022-10-15 17:01:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:01:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:01:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:01:20,477 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 17:01:20,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:01:20,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544754353] [2022-10-15 17:01:20,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544754353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:01:20,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:01:20,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:01:20,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427772671] [2022-10-15 17:01:20,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:01:20,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:01:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:01:20,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:01:20,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:01:20,531 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 13 states have internal predecessors, (18), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 17:01:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:01:20,561 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-10-15 17:01:20,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:01:20,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-10-15 17:01:20,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:01:20,575 INFO L225 Difference]: With dead ends: 13 [2022-10-15 17:01:20,575 INFO L226 Difference]: Without dead ends: 10 [2022-10-15 17:01:20,577 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 17:01:20,582 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 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 17:01:20,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:01:20,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-10-15 17:01:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-10-15 17:01:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 17:01:20,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-15 17:01:20,624 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2022-10-15 17:01:20,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:01:20,624 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-10-15 17:01:20,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 17:01:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-15 17:01:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-15 17:01:20,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:01:20,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:01:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:01:20,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:01:20,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:01:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1269629357, now seen corresponding path program 1 times [2022-10-15 17:01:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:01:20,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875381148] [2022-10-15 17:01:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:01:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:01:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:01:20,946 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 17:01:20,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:01:20,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875381148] [2022-10-15 17:01:20,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875381148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:01:20,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:01:20,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:01:20,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789330431] [2022-10-15 17:01:20,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:01:20,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:01:20,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:01:20,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:01:20,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:01:20,953 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 17:01:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:01:21,023 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-10-15 17:01:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:01:21,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-10-15 17:01:21,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:01:21,031 INFO L225 Difference]: With dead ends: 13 [2022-10-15 17:01:21,031 INFO L226 Difference]: Without dead ends: 12 [2022-10-15 17:01:21,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:01:21,033 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:01:21,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:01:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-10-15 17:01:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-10-15 17:01:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 17:01:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-10-15 17:01:21,040 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2022-10-15 17:01:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:01:21,041 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-10-15 17:01:21,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 17:01:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-10-15 17:01:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 17:01:21,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:01:21,044 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:01:21,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:01:21,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:01:21,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:01:21,046 INFO L85 PathProgramCache]: Analyzing trace with hash 341011600, now seen corresponding path program 1 times [2022-10-15 17:01:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:01:21,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965103620] [2022-10-15 17:01:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:01:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:01:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:01:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:01:21,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:01:21,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965103620] [2022-10-15 17:01:21,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965103620] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:01:21,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821008831] [2022-10-15 17:01:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:01:21,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:01:21,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:01:21,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:01:21,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 17:01:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:01:21,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-15 17:01:21,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:01:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:01:21,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:01:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:01:21,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821008831] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-15 17:01:21,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-15 17:01:21,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 10 [2022-10-15 17:01:21,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725654426] [2022-10-15 17:01:21,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:01:21,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:01:21,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:01:21,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:01:21,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:01:21,891 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 17:01:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:01:21,946 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2022-10-15 17:01:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:01:21,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2022-10-15 17:01:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:01:21,947 INFO L225 Difference]: With dead ends: 10 [2022-10-15 17:01:21,948 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 17:01:21,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:01:21,950 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:01:21,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:01:21,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 17:01:21,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 17:01:21,953 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 17:01:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 17:01:21,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-10-15 17:01:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:01:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 17:01:21,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 17:01:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 17:01:21,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 17:01:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 17:01:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 17:01:22,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 17:01:22,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:01:22,182 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 17:01:22,185 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 17:01:22,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 05:01:22 BoogieIcfgContainer [2022-10-15 17:01:22,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 17:01:22,192 INFO L158 Benchmark]: Toolchain (without parser) took 3109.64ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 71.4MB in the end (delta: 53.8MB). Peak memory consumption was 54.3MB. Max. memory is 8.0GB. [2022-10-15 17:01:22,193 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:01:22,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 114.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 17:01:22,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.47ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 112.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 17:01:22,195 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 112.0MB in the end (delta: 916.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:01:22,196 INFO L158 Benchmark]: RCFGBuilder took 537.61ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 102.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 17:01:22,197 INFO L158 Benchmark]: TraceAbstraction took 2216.55ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 71.4MB in the end (delta: 30.2MB). Peak memory consumption was 31.2MB. Max. memory is 8.0GB. [2022-10-15 17:01:22,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 114.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.47ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 112.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 112.0MB in the end (delta: 916.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 537.61ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 102.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2216.55ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 71.4MB in the end (delta: 30.2MB). Peak memory consumption was 31.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 57]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 11]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 25 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 4 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/6 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-15 17:01:22,269 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...