/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/nla-digbench/hard-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 01:58:01,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 01:58:01,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 01:58:01,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 01:58:01,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 01:58:01,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 01:58:01,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 01:58:01,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 01:58:01,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 01:58:01,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 01:58:01,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 01:58:01,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 01:58:01,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 01:58:01,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 01:58:01,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 01:58:01,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 01:58:01,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 01:58:01,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 01:58:01,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 01:58:01,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 01:58:01,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 01:58:01,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 01:58:01,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 01:58:01,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 01:58:01,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 01:58:01,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 01:58:01,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 01:58:01,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 01:58:01,374 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 [2022-10-16 01:58:01,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 01:58:01,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 01:58:01,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 01:58:01,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 01:58:01,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 01:58:01,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 01:58:01,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 01:58:01,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 01:58:01,404 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 01:58:01,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 01:58:01,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 01:58:01,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 01:58:01,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 01:58:01,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 01:58:01,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 01:58:01,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 01:58:01,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 01:58:01,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 01:58:01,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 01:58:01,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 01:58:01,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:58:01,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 01:58:01,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 01:58:01,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 01:58:01,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 01:58:01,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 01:58:01,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 01:58:01,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 01:58:01,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 01:58:01,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 01:58:01,864 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 01:58:01,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard-ll.c [2022-10-16 01:58:01,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09a8405/3f0e4be6f5984de9a51561981e428ee1/FLAGff40648eb [2022-10-16 01:58:02,664 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 01:58:02,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard-ll.c [2022-10-16 01:58:02,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09a8405/3f0e4be6f5984de9a51561981e428ee1/FLAGff40648eb [2022-10-16 01:58:03,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09a8405/3f0e4be6f5984de9a51561981e428ee1 [2022-10-16 01:58:03,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 01:58:03,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 01:58:03,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 01:58:03,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 01:58:03,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 01:58:03,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27917909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03, skipping insertion in model container [2022-10-16 01:58:03,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 01:58:03,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 01:58:03,332 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/nla-digbench/hard-ll.c[538,551] [2022-10-16 01:58:03,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:58:03,367 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 01:58:03,382 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/nla-digbench/hard-ll.c[538,551] [2022-10-16 01:58:03,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:58:03,406 INFO L208 MainTranslator]: Completed translation [2022-10-16 01:58:03,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03 WrapperNode [2022-10-16 01:58:03,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 01:58:03,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 01:58:03,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 01:58:03,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 01:58:03,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,449 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-10-16 01:58:03,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 01:58:03,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 01:58:03,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 01:58:03,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 01:58:03,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 01:58:03,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 01:58:03,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 01:58:03,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 01:58:03,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (1/1) ... [2022-10-16 01:58:03,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:58:03,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:03,526 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) [2022-10-16 01:58:03,538 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 [2022-10-16 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 01:58:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-16 01:58:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-16 01:58:03,653 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 01:58:03,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 01:58:03,915 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 01:58:03,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 01:58:03,923 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 01:58:03,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:58:03 BoogieIcfgContainer [2022-10-16 01:58:03,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 01:58:03,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 01:58:03,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 01:58:03,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 01:58:03,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:58:03" (1/3) ... [2022-10-16 01:58:03,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3114952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:58:03, skipping insertion in model container [2022-10-16 01:58:03,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:03" (2/3) ... [2022-10-16 01:58:03,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3114952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:58:03, skipping insertion in model container [2022-10-16 01:58:03,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:58:03" (3/3) ... [2022-10-16 01:58:03,937 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll.c [2022-10-16 01:58:03,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 01:58:03,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 01:58:04,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 01:58:04,033 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;@2f972a44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 01:58:04,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 01:58:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.6875) internal successors, (27), 18 states have internal predecessors, (27), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 01:58:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 01:58:04,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:04,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:04,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:04,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:04,057 INFO L85 PathProgramCache]: Analyzing trace with hash -586817662, now seen corresponding path program 1 times [2022-10-16 01:58:04,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:04,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343094660] [2022-10-16 01:58:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:58:04,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:04,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343094660] [2022-10-16 01:58:04,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343094660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:58:04,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:58:04,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:58:04,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292593830] [2022-10-16 01:58:04,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:58:04,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 01:58:04,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:04,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 01:58:04,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 01:58:04,319 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.6875) internal successors, (27), 18 states have internal predecessors, (27), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:58:04,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:04,341 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-10-16 01:58:04,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 01:58:04,344 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 01:58:04,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:04,355 INFO L225 Difference]: With dead ends: 27 [2022-10-16 01:58:04,355 INFO L226 Difference]: Without dead ends: 25 [2022-10-16 01:58:04,361 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 [2022-10-16 01:58:04,366 INFO L413 NwaCegarLoop]: 35 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, 35 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 [2022-10-16 01:58:04,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:58:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-10-16 01:58:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-10-16 01:58:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 01:58:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-10-16 01:58:04,415 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 9 [2022-10-16 01:58:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:04,415 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-10-16 01:58:04,416 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:58:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-10-16 01:58:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 01:58:04,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:04,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 01:58:04,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1188189700, now seen corresponding path program 1 times [2022-10-16 01:58:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:04,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000966612] [2022-10-16 01:58:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:58:04,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:04,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000966612] [2022-10-16 01:58:04,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000966612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:58:04,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:58:04,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:58:04,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649763786] [2022-10-16 01:58:04,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:58:04,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:58:04,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:58:04,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:58:04,672 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:58:04,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:04,749 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2022-10-16 01:58:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:58:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 01:58:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:04,752 INFO L225 Difference]: With dead ends: 39 [2022-10-16 01:58:04,752 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 01:58:04,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:58:04,755 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 14 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:04,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 107 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:58:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 01:58:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2022-10-16 01:58:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 01:58:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-10-16 01:58:04,773 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 9 [2022-10-16 01:58:04,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:04,773 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-10-16 01:58:04,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:58:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-10-16 01:58:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 01:58:04,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:04,775 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:04,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 01:58:04,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:04,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash 154498074, now seen corresponding path program 1 times [2022-10-16 01:58:04,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:04,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051024469] [2022-10-16 01:58:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 01:58:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:58:05,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:05,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051024469] [2022-10-16 01:58:05,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051024469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:58:05,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:58:05,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:58:05,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762618863] [2022-10-16 01:58:05,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:58:05,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:58:05,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:05,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:58:05,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:58:05,020 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 01:58:05,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:05,160 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-10-16 01:58:05,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 01:58:05,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-10-16 01:58:05,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:05,165 INFO L225 Difference]: With dead ends: 43 [2022-10-16 01:58:05,165 INFO L226 Difference]: Without dead ends: 43 [2022-10-16 01:58:05,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:58:05,167 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 12 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:05,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 103 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:58:05,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-10-16 01:58:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2022-10-16 01:58:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 01:58:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-10-16 01:58:05,192 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 14 [2022-10-16 01:58:05,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:05,192 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-10-16 01:58:05,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 01:58:05,194 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-10-16 01:58:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 01:58:05,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:05,196 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:05,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 01:58:05,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:05,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:05,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1547908220, now seen corresponding path program 1 times [2022-10-16 01:58:05,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:05,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884996454] [2022-10-16 01:58:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:05,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:05,240 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:05,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572355752] [2022-10-16 01:58:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:05,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:05,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:05,246 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) [2022-10-16 01:58:05,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 01:58:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:05,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 01:58:05,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 01:58:05,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:58:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 01:58:05,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:05,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884996454] [2022-10-16 01:58:05,914 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:05,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572355752] [2022-10-16 01:58:05,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572355752] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 01:58:05,915 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 01:58:05,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-10-16 01:58:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577695182] [2022-10-16 01:58:05,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 01:58:05,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 01:58:05,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:05,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 01:58:05,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-10-16 01:58:05,927 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 13 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 01:58:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:07,071 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-10-16 01:58:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 01:58:07,072 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 19 [2022-10-16 01:58:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:07,075 INFO L225 Difference]: With dead ends: 58 [2022-10-16 01:58:07,075 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 01:58:07,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-10-16 01:58:07,077 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 58 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:07,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 79 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 01:58:07,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 01:58:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2022-10-16 01:58:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.15625) internal successors, (37), 34 states have internal predecessors, (37), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 01:58:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2022-10-16 01:58:07,091 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2022-10-16 01:58:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:07,092 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2022-10-16 01:58:07,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 01:58:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-10-16 01:58:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 01:58:07,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:07,094 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:07,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:07,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:07,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash 277998695, now seen corresponding path program 1 times [2022-10-16 01:58:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:07,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249415163] [2022-10-16 01:58:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:07,339 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:07,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425660433] [2022-10-16 01:58:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:07,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:07,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:07,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 01:58:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:07,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 01:58:07,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 01:58:07,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 01:58:07,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:07,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249415163] [2022-10-16 01:58:07,503 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:07,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425660433] [2022-10-16 01:58:07,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425660433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:58:07,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:58:07,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 01:58:07,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135091058] [2022-10-16 01:58:07,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:58:07,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:58:07,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:07,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:58:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:58:07,515 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 01:58:07,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:07,600 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2022-10-16 01:58:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 01:58:07,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-10-16 01:58:07,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:07,605 INFO L225 Difference]: With dead ends: 67 [2022-10-16 01:58:07,606 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 01:58:07,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 01:58:07,612 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:07,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 87 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 01:58:07,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 01:58:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2022-10-16 01:58:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 41 states have internal predecessors, (45), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-10-16 01:58:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-10-16 01:58:07,643 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 26 [2022-10-16 01:58:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:07,643 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-10-16 01:58:07,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 01:58:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-10-16 01:58:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 01:58:07,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:07,647 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:07,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:07,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:07,866 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:07,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:07,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1357643894, now seen corresponding path program 1 times [2022-10-16 01:58:07,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:07,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997147850] [2022-10-16 01:58:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:07,884 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244114278] [2022-10-16 01:58:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:07,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:07,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 01:58:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:07,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 01:58:07,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-16 01:58:07,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 01:58:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:07,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997147850] [2022-10-16 01:58:07,983 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:07,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244114278] [2022-10-16 01:58:07,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244114278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:58:07,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:58:07,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:58:07,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92308373] [2022-10-16 01:58:07,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:58:07,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 01:58:07,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:07,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 01:58:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:58:07,989 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 01:58:08,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:08,012 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-10-16 01:58:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 01:58:08,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2022-10-16 01:58:08,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:08,016 INFO L225 Difference]: With dead ends: 62 [2022-10-16 01:58:08,016 INFO L226 Difference]: Without dead ends: 54 [2022-10-16 01:58:08,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:58:08,020 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:08,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 37 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:58:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-16 01:58:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-16 01:58:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 36 states have internal predecessors, (39), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-10-16 01:58:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2022-10-16 01:58:08,047 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 45 [2022-10-16 01:58:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:08,052 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2022-10-16 01:58:08,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 01:58:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-10-16 01:58:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 01:58:08,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:08,055 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:08,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:08,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:08,256 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:08,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash 599152333, now seen corresponding path program 1 times [2022-10-16 01:58:08,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:08,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042328790] [2022-10-16 01:58:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:08,274 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:08,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975970572] [2022-10-16 01:58:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:08,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:08,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:08,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:08,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 01:58:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:08,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 01:58:08,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 01:58:08,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:58:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 01:58:15,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:15,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042328790] [2022-10-16 01:58:15,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:15,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975970572] [2022-10-16 01:58:15,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975970572] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 01:58:15,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 01:58:15,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-10-16 01:58:15,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089369368] [2022-10-16 01:58:15,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 01:58:15,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 01:58:15,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:15,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 01:58:15,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-10-16 01:58:15,291 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 8 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 01:58:27,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:27,920 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2022-10-16 01:58:27,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 01:58:27,921 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 8 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 56 [2022-10-16 01:58:27,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:27,924 INFO L225 Difference]: With dead ends: 116 [2022-10-16 01:58:27,924 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 01:58:27,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-10-16 01:58:27,925 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 45 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:27,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 146 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-16 01:58:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 01:58:27,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 89. [2022-10-16 01:58:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 58 states have internal predecessors, (64), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2022-10-16 01:58:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 111 transitions. [2022-10-16 01:58:27,940 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 111 transitions. Word has length 56 [2022-10-16 01:58:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:27,941 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 111 transitions. [2022-10-16 01:58:27,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 8 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 01:58:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2022-10-16 01:58:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 01:58:27,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:27,943 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:27,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:28,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:28,144 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:28,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash 175098103, now seen corresponding path program 1 times [2022-10-16 01:58:28,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:28,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639897045] [2022-10-16 01:58:28,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:28,179 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:28,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763637999] [2022-10-16 01:58:28,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:28,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:28,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:28,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:28,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 01:58:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:58:28,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-16 01:58:28,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 31 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-16 01:58:28,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:58:31,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:31,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639897045] [2022-10-16 01:58:31,413 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:31,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763637999] [2022-10-16 01:58:31,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763637999] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 01:58:31,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-16 01:58:31,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-16 01:58:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367810172] [2022-10-16 01:58:31,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-16 01:58:31,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 01:58:31,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 01:58:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-10-16 01:58:31,416 INFO L87 Difference]: Start difference. First operand 89 states and 111 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-10-16 01:58:32,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:32,690 INFO L93 Difference]: Finished difference Result 87 states and 103 transitions. [2022-10-16 01:58:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 01:58:32,691 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 67 [2022-10-16 01:58:32,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:32,692 INFO L225 Difference]: With dead ends: 87 [2022-10-16 01:58:32,693 INFO L226 Difference]: Without dead ends: 82 [2022-10-16 01:58:32,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2022-10-16 01:58:32,694 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:32,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 101 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 01:58:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-10-16 01:58:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75. [2022-10-16 01:58:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.125) internal successors, (54), 50 states have internal predecessors, (54), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-16 01:58:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2022-10-16 01:58:32,704 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 67 [2022-10-16 01:58:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:32,705 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2022-10-16 01:58:32,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-10-16 01:58:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-10-16 01:58:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 01:58:32,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:32,707 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:32,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:32,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:32,923 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1516789331, now seen corresponding path program 2 times [2022-10-16 01:58:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:32,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339006727] [2022-10-16 01:58:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:32,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:32,937 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:32,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920001910] [2022-10-16 01:58:32,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 01:58:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:32,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:32,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:32,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 01:58:32,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 01:58:32,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 01:58:33,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 01:58:33,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 01:58:33,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:58:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 01:58:33,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:58:33,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339006727] [2022-10-16 01:58:33,143 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 01:58:33,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920001910] [2022-10-16 01:58:33,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920001910] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 01:58:33,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 01:58:33,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2022-10-16 01:58:33,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315402070] [2022-10-16 01:58:33,144 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 01:58:33,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 01:58:33,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:58:33,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 01:58:33,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:58:33,146 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-16 01:58:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:58:33,200 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2022-10-16 01:58:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 01:58:33,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 69 [2022-10-16 01:58:33,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:58:33,202 INFO L225 Difference]: With dead ends: 86 [2022-10-16 01:58:33,202 INFO L226 Difference]: Without dead ends: 77 [2022-10-16 01:58:33,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 01:58:33,203 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:58:33,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:58:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-16 01:58:33,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-10-16 01:58:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 50 states have internal predecessors, (55), 18 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-10-16 01:58:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2022-10-16 01:58:33,212 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 69 [2022-10-16 01:58:33,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:58:33,213 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2022-10-16 01:58:33,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-16 01:58:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2022-10-16 01:58:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 01:58:33,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:58:33,215 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:58:33,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 01:58:33,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:33,428 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 01:58:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:58:33,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2079123673, now seen corresponding path program 3 times [2022-10-16 01:58:33,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:58:33,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654624350] [2022-10-16 01:58:33,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:58:33,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:58:33,443 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 01:58:33,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133198216] [2022-10-16 01:58:33,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 01:58:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 01:58:33,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:58:33,445 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 01:58:33,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 01:58:33,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-10-16 01:58:33,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 01:58:33,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-16 01:58:33,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 01:58:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-16 01:58:34,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 01:58:47,198 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse12 (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296))) (or (let ((.cse11 (* .cse12 |c_ULTIMATE.start_main_~q~0#1|)) (.cse13 (* (div |c_ULTIMATE.start_main_~p~0#1| 2) .cse12)) (.cse2 (= (mod |c_ULTIMATE.start_main_~p~0#1| 2) 0))) (let ((.cse8 (< |c_ULTIMATE.start_main_~d~0#1| 0)) (.cse7 (= (mod |c_ULTIMATE.start_main_~d~0#1| 2) 0)) (.cse3 (not .cse2)) (.cse4 (+ .cse11 |c_ULTIMATE.start_main_~r~0#1| .cse13)) (.cse0 (+ .cse11 .cse12 |c_ULTIMATE.start_main_~r~0#1| .cse13)) (.cse5 (div |c_ULTIMATE.start_main_~d~0#1| 2)) (.cse6 (mod |c_ULTIMATE.start_main_~A~0#1| 4294967296))) (and (or (let ((.cse1 (+ .cse5 .cse6 1))) (and (or (= .cse0 .cse1) .cse2) (or .cse3 (= .cse4 .cse1)))) .cse7 (not .cse8)) (or (and .cse8 (not .cse7)) (let ((.cse10 (+ .cse5 .cse6)) (.cse9 (< |c_ULTIMATE.start_main_~p~0#1| 0))) (and (or (and .cse3 .cse9) (= .cse10 .cse4)) (or (= .cse10 .cse0) (not .cse9) .cse2))))))) (not (= |c_ULTIMATE.start_main_~d~0#1| (* |c_ULTIMATE.start_main_~p~0#1| .cse12))))) is different from true [2022-10-16 01:59:54,448 WARN L233 SmtUtils]: Spent 28.66s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 02:00:29,165 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse19 (div |c_ULTIMATE.start_main_~p~0#1| 2)) (.cse21 (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse7 (< |c_ULTIMATE.start_main_~d~0#1| 0)) (.cse6 (= (mod |c_ULTIMATE.start_main_~d~0#1| 2) 0)) (.cse2 (div |c_ULTIMATE.start_main_~d~0#1| 2))) (let ((.cse5 (+ .cse2 1)) (.cse4 (and .cse7 (not .cse6))) (.cse1 (< |c_ULTIMATE.start_main_~p~0#1| 0)) (.cse16 (mod |c_ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse20 (* .cse21 |c_ULTIMATE.start_main_~q~0#1|)) (.cse0 (= (mod |c_ULTIMATE.start_main_~p~0#1| 2) 0)) (.cse3 (* .cse19 .cse21))) (and (or (and (not .cse0) .cse1) (and (or (not (= .cse2 .cse3)) .cse4) (or (not (= .cse3 .cse5)) .cse6 (not .cse7))) (let ((.cse10 (= (mod .cse19 2) 0)) (.cse22 (* (div .cse19 2) .cse21))) (let ((.cse9 (= 0 (mod .cse3 2))) (.cse8 (< .cse3 0)) (.cse13 (+ .cse20 .cse22 |c_ULTIMATE.start_main_~r~0#1|)) (.cse14 (not .cse10)) (.cse12 (+ .cse20 .cse21 .cse22 |c_ULTIMATE.start_main_~r~0#1|)) (.cse15 (div .cse3 2))) (and (or (not .cse8) .cse9 (let ((.cse11 (+ .cse15 .cse16 1))) (and (or .cse10 (= .cse11 .cse12)) (or (= .cse11 .cse13) .cse14)))) (or (and (not .cse9) .cse8) (let ((.cse17 (+ .cse15 .cse16)) (.cse18 (< .cse19 0))) (and (or (= .cse17 .cse13) (and .cse18 .cse14)) (or (= .cse17 .cse12) .cse10 (not .cse18))))))))) (let ((.cse23 (+ .cse21 .cse3))) (or (and (or (not (= .cse23 .cse5)) .cse6) (or (not (= .cse2 .cse23)) .cse4)) (not .cse1) (let ((.cse33 (+ .cse19 1))) (let ((.cse26 (= (mod .cse33 2) 0)) (.cse32 (* (div .cse33 2) .cse21))) (let ((.cse30 (= (mod (* .cse33 .cse21) 2) 0)) (.cse24 (+ .cse20 .cse21 |c_ULTIMATE.start_main_~r~0#1| .cse32)) (.cse28 (+ .cse20 |c_ULTIMATE.start_main_~r~0#1| .cse32)) (.cse27 (not .cse26)) (.cse29 (div .cse23 2))) (and (or (let ((.cse25 (+ .cse16 .cse29))) (and (or (= .cse24 .cse25) .cse26) (or .cse27 (= .cse25 .cse28)))) (not .cse30)) (or .cse30 (let ((.cse31 (+ .cse16 .cse29 1))) (and (or (= .cse31 .cse24) .cse26) (or (= .cse31 .cse28) .cse27)))))))) .cse0))))) is different from true