/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/bitvector/jain_6-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:30:57,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:30:57,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:30:57,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:30:57,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:30:57,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:30:57,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:30:57,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:30:57,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:30:57,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:30:57,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:30:57,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:30:57,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:30:57,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:30:57,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:30:57,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:30:57,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:30:57,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:30:57,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:30:57,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:30:57,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:30:57,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:30:57,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:30:57,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:30:57,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:30:57,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:30:57,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:30:57,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:30:57,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:30:57,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:30:57,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:30:57,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:30:57,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:30:57,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:30:57,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:30:57,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:30:57,286 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 16:30:57,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:30:57,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:30:57,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:30:57,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:30:57,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:30:57,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:30:57,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:30:57,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:30:57,360 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:30:57,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:30:57,362 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:30:57,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:30:57,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:30:57,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:30:57,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:30:57,363 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:30:57,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:30:57,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:30:57,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:30:57,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:30:57,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:30:57,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:30:57,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:30:57,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:30:57,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:30:57,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:30:57,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:30:57,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:30:57,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:30:57,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:30:57,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:30:57,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:30:57,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:30:57,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:30:57,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:30:57,909 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:30:57,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_6-1.c [2022-10-15 16:30:58,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc65185/73f0bada067f4ddaae2103ad72605338/FLAGad6f10594 [2022-10-15 16:30:58,741 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:30:58,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c [2022-10-15 16:30:58,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc65185/73f0bada067f4ddaae2103ad72605338/FLAGad6f10594 [2022-10-15 16:30:59,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc65185/73f0bada067f4ddaae2103ad72605338 [2022-10-15 16:30:59,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:30:59,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:30:59,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:30:59,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:30:59,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:30:59,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bdf17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59, skipping insertion in model container [2022-10-15 16:30:59,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:30:59,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:30:59,398 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/bitvector/jain_6-1.c[675,688] [2022-10-15 16:30:59,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:30:59,437 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:30:59,458 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/bitvector/jain_6-1.c[675,688] [2022-10-15 16:30:59,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:30:59,489 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:30:59,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59 WrapperNode [2022-10-15 16:30:59,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:30:59,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:30:59,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:30:59,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:30:59,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,552 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-10-15 16:30:59,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:30:59,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:30:59,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:30:59,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:30:59,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:30:59,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:30:59,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:30:59,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:30:59,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (1/1) ... [2022-10-15 16:30:59,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:30:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:30:59,652 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 16:30:59,664 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 16:30:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:30:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:30:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:30:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:30:59,877 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:30:59,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:31:00,115 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:31:00,127 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:31:00,127 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 16:31:00,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:00 BoogieIcfgContainer [2022-10-15 16:31:00,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:31:00,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:31:00,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:31:00,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:31:00,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:30:59" (1/3) ... [2022-10-15 16:31:00,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e85b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:00, skipping insertion in model container [2022-10-15 16:31:00,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:30:59" (2/3) ... [2022-10-15 16:31:00,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e85b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:00, skipping insertion in model container [2022-10-15 16:31:00,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:00" (3/3) ... [2022-10-15 16:31:00,150 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6-1.c [2022-10-15 16:31:00,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:31:00,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:31:00,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:31:00,287 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;@b152b40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:31:00,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:31:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 states have internal predecessors, (14), 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 16:31:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 16:31:00,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:00,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 16:31:00,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:00,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:00,354 INFO L85 PathProgramCache]: Analyzing trace with hash 28712631, now seen corresponding path program 1 times [2022-10-15 16:31:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:00,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261212197] [2022-10-15 16:31:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:00,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:00,619 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 16:31:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:31:00,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261212197] [2022-10-15 16:31:00,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261212197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:31:00,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:31:00,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:31:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119878860] [2022-10-15 16:31:00,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:31:00,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:31:00,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:31:00,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:31:00,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:31:00,690 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 16:31:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:31:00,711 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-10-15 16:31:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:31:00,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) Word has length 5 [2022-10-15 16:31:00,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:31:00,731 INFO L225 Difference]: With dead ends: 7 [2022-10-15 16:31:00,732 INFO L226 Difference]: Without dead ends: 7 [2022-10-15 16:31:00,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:31:00,743 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:31:00,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:31:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-10-15 16:31:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-10-15 16:31:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 16:31:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-10-15 16:31:00,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2022-10-15 16:31:00,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:31:00,809 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-10-15 16:31:00,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 16:31:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-10-15 16:31:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 16:31:00,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:00,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 16:31:00,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:31:00,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:00,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:00,814 INFO L85 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2022-10-15 16:31:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:00,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502019429] [2022-10-15 16:31:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:00,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:01,250 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 16:31:01,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:31:01,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502019429] [2022-10-15 16:31:01,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502019429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:31:01,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:31:01,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 16:31:01,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371921006] [2022-10-15 16:31:01,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:31:01,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 16:31:01,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:31:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 16:31:01,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 16:31:01,261 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 16:31:01,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:31:01,303 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2022-10-15 16:31:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 16:31:01,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) Word has length 5 [2022-10-15 16:31:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:31:01,306 INFO L225 Difference]: With dead ends: 9 [2022-10-15 16:31:01,306 INFO L226 Difference]: Without dead ends: 9 [2022-10-15 16:31:01,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 16:31:01,310 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:31:01,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:31:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-10-15 16:31:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-10-15 16:31:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 16:31:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-15 16:31:01,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-10-15 16:31:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:31:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-10-15 16:31:01,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 16:31:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-15 16:31:01,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 16:31:01,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:01,330 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-10-15 16:31:01,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:31:01,330 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:01,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:01,335 INFO L85 PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times [2022-10-15 16:31:01,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:01,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105635880] [2022-10-15 16:31:01,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:01,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:01,864 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 16:31:01,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:31:01,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105635880] [2022-10-15 16:31:01,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105635880] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 16:31:01,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929625546] [2022-10-15 16:31:01,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 16:31:01,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:31:01,886 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 16:31:01,891 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 16:31:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:01,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-15 16:31:01,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 16:31:03,817 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 16:31:03,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 16:31:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 16:31:08,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929625546] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 16:31:08,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 16:31:08,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-10-15 16:31:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486111579] [2022-10-15 16:31:08,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 16:31:08,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 16:31:08,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:31:08,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 16:31:08,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=45, Unknown=2, NotChecked=0, Total=72 [2022-10-15 16:31:08,399 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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 16:31:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:31:08,599 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-10-15 16:31:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 16:31:08,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Word has length 8 [2022-10-15 16:31:08,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:31:08,601 INFO L225 Difference]: With dead ends: 7 [2022-10-15 16:31:08,601 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 16:31:08,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=33, Invalid=55, Unknown=2, NotChecked=0, Total=90 [2022-10-15 16:31:08,603 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 16:31:08,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 2 Unchecked, 0.2s Time] [2022-10-15 16:31:08,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 16:31:08,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 16:31:08,606 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 16:31:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 16:31:08,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-10-15 16:31:08,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:31:08,607 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 16:31:08,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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 16:31:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 16:31:08,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 16:31:08,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:31:08,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:31:08,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 16:31:08,828 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 16:31:08,835 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 16:31:08,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:31:08,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:31:08 BoogieIcfgContainer [2022-10-15 16:31:08,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:31:08,844 INFO L158 Benchmark]: Toolchain (without parser) took 9737.99ms. Allocated memory is still 151.0MB. Free memory was 126.5MB in the beginning and 112.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-10-15 16:31:08,844 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:31:08,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.13ms. Allocated memory is still 151.0MB. Free memory was 126.4MB in the beginning and 116.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:31:08,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.23ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 16:31:08,846 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:31:08,847 INFO L158 Benchmark]: RCFGBuilder took 542.73ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 105.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-15 16:31:08,849 INFO L158 Benchmark]: TraceAbstraction took 8707.07ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 112.6MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:31:08,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.13ms. Allocated memory is still 151.0MB. Free memory was 126.4MB in the beginning and 116.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.23ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 542.73ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 105.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 8707.07ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 112.6MB in the end (delta: -7.9MB). 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: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 20]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 16 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.2s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 4 QuantifiedInterpolants, 283 SizeOfPredicates, 10 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 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 16:31:08,889 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...