/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/parity.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:31:22,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:31:22,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:31:22,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 16:31:22,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:31:22,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:31:22,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:31:22,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:31:22,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:31:22,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:31:22,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:31:22,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:31:22,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:31:22,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:31:22,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:31:22,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:31:22,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:31:23,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:31:23,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:31:23,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:31:23,011 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 16:31:23,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:31:23,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:31:23,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:31:23,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:31:23,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:31:23,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:31:23,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:31:23,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:31:23,078 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:31:23,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:31:23,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:31:23,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:31:23,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:31:23,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:31:23,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:31:23,081 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:31:23,081 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:31:23,081 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:31:23,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:31:23,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:31:23,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:31:23,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:31:23,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:31:23,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:31:23,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:31:23,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:31:23,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:31:23,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:31:23,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:31:23,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:31:23,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:31:23,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:31:23,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:31:23,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:31:23,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:31:23,683 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:31:23,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/parity.i [2022-10-15 16:31:23,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93d42069/151bf91862044366a6cb615d7e381a54/FLAG7af601bf6 [2022-10-15 16:31:24,477 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:31:24,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/parity.i [2022-10-15 16:31:24,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93d42069/151bf91862044366a6cb615d7e381a54/FLAG7af601bf6 [2022-10-15 16:31:24,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93d42069/151bf91862044366a6cb615d7e381a54 [2022-10-15 16:31:24,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:31:24,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:31:24,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:31:24,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:31:24,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:31:24,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:31:24" (1/1) ... [2022-10-15 16:31:24,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a275701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:24, skipping insertion in model container [2022-10-15 16:31:24,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:31:24" (1/1) ... [2022-10-15 16:31:24,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:31:24,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:31:25,209 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/parity.i[1162,1175] [2022-10-15 16:31:25,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:31:25,254 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:31:25,269 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/parity.i[1162,1175] [2022-10-15 16:31:25,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:31:25,296 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:31:25,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25 WrapperNode [2022-10-15 16:31:25,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:31:25,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:31:25,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:31:25,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:31:25,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,348 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-10-15 16:31:25,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:31:25,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:31:25,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:31:25,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:31:25,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:31:25,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:31:25,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:31:25,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:31:25,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (1/1) ... [2022-10-15 16:31:25,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:31:25,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:31:25,441 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 16:31:25,452 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 16:31:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:31:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:31:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:31:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:31:25,581 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:31:25,584 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:31:25,844 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:31:25,864 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:31:25,864 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 16:31:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:25 BoogieIcfgContainer [2022-10-15 16:31:25,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:31:25,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:31:25,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:31:25,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:31:25,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:31:24" (1/3) ... [2022-10-15 16:31:25,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8d4603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:25, skipping insertion in model container [2022-10-15 16:31:25,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:31:25" (2/3) ... [2022-10-15 16:31:25,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8d4603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:31:25, skipping insertion in model container [2022-10-15 16:31:25,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:31:25" (3/3) ... [2022-10-15 16:31:25,895 INFO L112 eAbstractionObserver]: Analyzing ICFG parity.i [2022-10-15 16:31:25,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:31:25,942 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:31:26,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:31:26,054 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;@2553cece, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:31:26,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:31:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 16 states have (on average 1.6875) internal successors, (27), 18 states have internal predecessors, (27), 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 16:31:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 16:31:26,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:26,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:31:26,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:26,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:26,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1152896171, now seen corresponding path program 1 times [2022-10-15 16:31:26,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:26,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470475681] [2022-10-15 16:31:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:26,310 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 16:31:26,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:31:26,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470475681] [2022-10-15 16:31:26,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470475681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:31:26,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:31:26,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:31:26,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518030027] [2022-10-15 16:31:26,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:31:26,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:31:26,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:31:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:31:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:31:26,364 INFO L87 Difference]: Start difference. First operand has 19 states, 16 states have (on average 1.6875) internal successors, (27), 18 states have internal predecessors, (27), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 16:31:26,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:31:26,384 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-10-15 16:31:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:31:26,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 16:31:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:31:26,398 INFO L225 Difference]: With dead ends: 19 [2022-10-15 16:31:26,398 INFO L226 Difference]: Without dead ends: 17 [2022-10-15 16:31:26,401 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 16:31:26,407 INFO L413 NwaCegarLoop]: 23 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, 23 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 16:31:26,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:31:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-10-15 16:31:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-10-15 16:31:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 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 16:31:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-10-15 16:31:26,452 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 8 [2022-10-15 16:31:26,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:31:26,453 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-10-15 16:31:26,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 16:31:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-15 16:31:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 16:31:26,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:26,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:31:26,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:31:26,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:26,456 INFO L85 PathProgramCache]: Analyzing trace with hash 265392490, now seen corresponding path program 1 times [2022-10-15 16:31:26,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:26,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449839805] [2022-10-15 16:31:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:31:26,786 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 16:31:26,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:31:26,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449839805] [2022-10-15 16:31:26,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449839805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:31:26,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:31:26,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 16:31:26,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141576041] [2022-10-15 16:31:26,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:31:26,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 16:31:26,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:31:26,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 16:31:26,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 16:31:26,794 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 16:31:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:31:26,910 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-10-15 16:31:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 16:31:26,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 16:31:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:31:26,912 INFO L225 Difference]: With dead ends: 37 [2022-10-15 16:31:26,913 INFO L226 Difference]: Without dead ends: 37 [2022-10-15 16:31:26,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 16:31:26,915 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 30 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:31:26,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 82 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:31:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-15 16:31:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2022-10-15 16:31:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 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 16:31:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2022-10-15 16:31:26,927 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 8 [2022-10-15 16:31:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:31:26,927 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-10-15 16:31:26,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 16:31:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-10-15 16:31:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 16:31:26,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:31:26,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:31:26,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:31:26,930 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:31:26,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:31:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash 265452072, now seen corresponding path program 1 times [2022-10-15 16:31:26,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:31:26,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792259676] [2022-10-15 16:31:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:31:26,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:31:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:31:27,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:31:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:31:27,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:31:27,132 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:31:27,134 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:31:27,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:31:27,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 16:31:27,145 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 16:31:27,149 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:31:27,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:31:27 BoogieIcfgContainer [2022-10-15 16:31:27,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:31:27,181 INFO L158 Benchmark]: Toolchain (without parser) took 2303.28ms. Allocated memory is still 158.3MB. Free memory was 132.0MB in the beginning and 103.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.9MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,181 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 158.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:31:27,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 158.3MB. Free memory was 131.9MB in the beginning and 121.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.29ms. Allocated memory is still 158.3MB. Free memory was 121.6MB in the beginning and 120.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,184 INFO L158 Benchmark]: Boogie Preprocessor took 50.89ms. Allocated memory is still 158.3MB. Free memory was 120.0MB in the beginning and 118.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,184 INFO L158 Benchmark]: RCFGBuilder took 470.95ms. Allocated memory is still 158.3MB. Free memory was 118.8MB in the beginning and 107.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,185 INFO L158 Benchmark]: TraceAbstraction took 1304.47ms. Allocated memory is still 158.3MB. Free memory was 107.3MB in the beginning and 103.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.8MB. Max. memory is 8.0GB. [2022-10-15 16:31:27,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 158.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 158.3MB. Free memory was 131.9MB in the beginning and 121.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.29ms. Allocated memory is still 158.3MB. Free memory was 121.6MB in the beginning and 120.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.89ms. Allocated memory is still 158.3MB. Free memory was 120.0MB in the beginning and 118.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 470.95ms. Allocated memory is still 158.3MB. Free memory was 118.8MB in the beginning and 107.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1304.47ms. Allocated memory is still 158.3MB. Free memory was 107.3MB in the beginning and 103.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 25]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of bitwiseAnd at line 61, overapproximation of bitwiseXOr at line 59, overapproximation of memtrack at line 25. Possible FailurePath: [L42] unsigned int v = __VERIFIER_nondet_uint(); [L43] unsigned int v1; [L44] unsigned int v2; [L45] char parity1; [L46] char parity2; [L47] v1 = v [L48] parity1 = (char)0 VAL [parity1=0, v=0, v1=0] [L49] COND FALSE !(v1 != 0) VAL [parity1=0, v=0, v1=0] [L57] v2 = v [L58] parity2 = (char)0 [L59] v2 = v2 ^ (v2 >> 1u) [L60] v2 = v2 ^ (v2 >> 2u) [L61] v2 = (v2 & 286331153U) * 286331153U VAL [parity1=0, parity2=0, v=0, v1=0, v2=286331153] [L62] COND FALSE !(((v2 >> 28u) & 1u) == 0) [L65] parity2 = (char)1 VAL [parity1=0, parity2=1, v=0, v1=0, v2=286331153] [L67] CALL __VERIFIER_assert(parity1 == parity2) [L24] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L25] reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 40]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 47 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-15 16:31:27,241 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...