/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/float-benchs/cos_polynomial.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:41:47,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:41:47,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:41:47,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 16:41:47,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:41:47,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:41:47,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:41:47,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:41:47,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:41:47,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:41:47,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:41:47,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:41:47,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:41:47,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:41:47,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:41:47,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:41:47,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:41:47,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:41:47,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:41:47,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:41:47,390 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 16:41:47,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:41:47,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:41:47,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:41:47,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:41:47,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:41:47,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:41:47,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:41:47,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:41:47,445 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:41:47,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:41:47,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:41:47,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:41:47,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:41:47,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:41:47,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:41:47,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:41:47,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:41:47,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:41:47,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:41:47,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:41:47,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:41:47,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:41:47,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:41:47,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:41:47,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:41:47,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:41:47,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:41:47,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:41:47,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:41:47,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:41:47,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:41:47,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:41:47,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:41:47,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:41:47,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:41:47,955 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:41:47,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cos_polynomial.c [2022-10-15 16:41:48,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3b2d311/d7a26c5197f141a1beab0dfb16f22817/FLAGfaa566424 [2022-10-15 16:41:48,611 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:41:48,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cos_polynomial.c [2022-10-15 16:41:48,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3b2d311/d7a26c5197f141a1beab0dfb16f22817/FLAGfaa566424 [2022-10-15 16:41:48,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3b2d311/d7a26c5197f141a1beab0dfb16f22817 [2022-10-15 16:41:48,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:41:48,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:41:48,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:41:48,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:41:48,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:41:48,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:41:48" (1/1) ... [2022-10-15 16:41:48,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebcdbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:48, skipping insertion in model container [2022-10-15 16:41:48,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:41:48" (1/1) ... [2022-10-15 16:41:48,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:41:49,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:41:49,257 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/float-benchs/cos_polynomial.c[619,632] [2022-10-15 16:41:49,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:41:49,309 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:41:49,327 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/float-benchs/cos_polynomial.c[619,632] [2022-10-15 16:41:49,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:41:49,382 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:41:49,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49 WrapperNode [2022-10-15 16:41:49,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:41:49,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:41:49,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:41:49,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:41:49,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,439 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-10-15 16:41:49,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:41:49,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:41:49,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:41:49,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:41:49,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:41:49,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:41:49,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:41:49,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:41:49,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (1/1) ... [2022-10-15 16:41:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:41:49,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:41:49,541 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 16:41:49,561 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 16:41:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:41:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:41:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:41:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:41:49,728 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:41:49,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:41:49,958 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:41:49,972 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:41:49,972 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:41:49,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:41:49 BoogieIcfgContainer [2022-10-15 16:41:49,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:41:49,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:41:49,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:41:49,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:41:49,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:41:48" (1/3) ... [2022-10-15 16:41:49,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc80dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:41:49, skipping insertion in model container [2022-10-15 16:41:49,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:49" (2/3) ... [2022-10-15 16:41:50,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc80dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:41:50, skipping insertion in model container [2022-10-15 16:41:50,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:41:49" (3/3) ... [2022-10-15 16:41:50,008 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2022-10-15 16:41:50,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:41:50,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:41:50,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:41:50,112 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;@494bc637, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:41:50,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:41:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 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 16:41:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 16:41:50,140 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:41:50,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:41:50,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:41:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:41:50,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2022-10-15 16:41:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:41:50,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999671964] [2022-10-15 16:41:50,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:41:50,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:41:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:41:50,365 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 16:41:50,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:41:50,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999671964] [2022-10-15 16:41:50,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999671964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:41:50,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:41:50,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:41:50,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360599123] [2022-10-15 16:41:50,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:41:50,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:41:50,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:41:50,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:41:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:41:50,429 INFO L87 Difference]: Start difference. First operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:41:50,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:41:50,442 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-10-15 16:41:50,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:41:50,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-15 16:41:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:41:50,451 INFO L225 Difference]: With dead ends: 18 [2022-10-15 16:41:50,452 INFO L226 Difference]: Without dead ends: 16 [2022-10-15 16:41:50,453 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 16:41:50,458 INFO L413 NwaCegarLoop]: 20 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, 20 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 16:41:50,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:41:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-10-15 16:41:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-10-15 16:41:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 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 16:41:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-10-15 16:41:50,494 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2022-10-15 16:41:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:41:50,495 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-10-15 16:41:50,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:41:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-10-15 16:41:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 16:41:50,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:41:50,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:41:50,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:41:50,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:41:50,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:41:50,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2022-10-15 16:41:50,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:41:50,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092553159] [2022-10-15 16:41:50,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:41:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:41:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:41:50,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:41:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:41:50,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:41:50,578 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:41:50,580 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:41:50,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:41:50,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:41:50,588 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-15 16:41:50,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:41:50,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:41:50 BoogieIcfgContainer [2022-10-15 16:41:50,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:41:50,645 INFO L158 Benchmark]: Toolchain (without parser) took 1685.35ms. Allocated memory is still 165.7MB. Free memory was 140.1MB in the beginning and 129.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-10-15 16:41:50,645 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:41:50,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.85ms. Allocated memory is still 165.7MB. Free memory was 140.0MB in the beginning and 129.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:41:50,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.29ms. Allocated memory is still 165.7MB. Free memory was 129.8MB in the beginning and 128.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 16:41:50,660 INFO L158 Benchmark]: Boogie Preprocessor took 44.11ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 127.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:41:50,661 INFO L158 Benchmark]: RCFGBuilder took 496.43ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 117.1MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:41:50,661 INFO L158 Benchmark]: TraceAbstraction took 655.23ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 129.6MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:41:50,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.85ms. Allocated memory is still 165.7MB. Free memory was 140.0MB in the beginning and 129.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.29ms. Allocated memory is still 165.7MB. Free memory was 129.8MB in the beginning and 128.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.11ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 127.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 496.43ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 117.1MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 655.23ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 129.6MB in the end (delta: -13.1MB). 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 - UnprovableResult [Line: 14]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32, overapproximation of memtrack at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) [L12] COND FALSE !(!cond) VAL [\old(cond)=1, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=1] [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) [L54] CALL, EXPR mcos(a) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x VAL [\old(x)=54, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, x=54] [L27] COND TRUE x < 0. [L27] x = -x VAL [\old(x)=54, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r VAL [\old(x)=54, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L31] COND TRUE x < 0.3 [L32] return 1.-(hz-zr); VAL [\old(x)=54, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L54] RET, EXPR mcos(a) [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) [L14] COND TRUE !(cond) VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] [L14] reach_error() VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] - UnprovableResult [Line: 47]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-15 16:41:50,739 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...