/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/xcsp/AllInterval-005.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:01:34,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:01:34,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:01:34,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:01:34,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:01:34,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:01:34,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:01:34,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:01:34,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:01:34,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:01:34,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:01:34,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:01:34,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:01:34,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:01:34,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:01:34,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:01:34,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:01:34,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:01:34,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:01:34,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:01:34,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:01:34,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:01:34,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:01:34,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:01:34,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 18:01:34,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 18:01:34,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 18:01:34,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 18:01:34,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 18:01:34,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 18:01:34,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:01:34,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:01:34,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:01:34,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:01:34,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:01:34,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:01:34,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:01:34,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:01:34,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:01:34,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:01:34,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:01:34,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 18:01:34,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:01:34,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:01:34,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:01:34,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:01:34,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:01:34,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:01:34,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:01:34,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:01:34,273 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:01:34,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:01:34,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:01:34,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:01:34,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:01:34,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:01:34,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:01:34,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:01:34,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:01:34,276 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:01:34,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:01:34,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:01:34,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:01:34,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:01:34,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:01:34,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:01:34,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:01:34,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:34,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:01:34,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:01:34,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:01:34,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:01:34,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:01:34,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:01:34,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:01:34,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:01:34,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:01:34,740 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:01:34,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-005.c [2022-10-15 18:01:34,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124617b46/706c20f0b8864754922ebe140e666975/FLAG61c18d0ad [2022-10-15 18:01:35,494 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:01:35,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-005.c [2022-10-15 18:01:35,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124617b46/706c20f0b8864754922ebe140e666975/FLAG61c18d0ad [2022-10-15 18:01:35,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124617b46/706c20f0b8864754922ebe140e666975 [2022-10-15 18:01:35,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:01:35,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:01:35,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:35,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:01:35,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:01:35,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:35" (1/1) ... [2022-10-15 18:01:35,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514cefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:35, skipping insertion in model container [2022-10-15 18:01:35,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:35" (1/1) ... [2022-10-15 18:01:35,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:01:35,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:01:36,062 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/xcsp/AllInterval-005.c[2566,2579] [2022-10-15 18:01:36,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:36,092 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:01:36,168 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/xcsp/AllInterval-005.c[2566,2579] [2022-10-15 18:01:36,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:36,208 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:01:36,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36 WrapperNode [2022-10-15 18:01:36,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:36,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:36,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:01:36,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:01:36,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,266 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-10-15 18:01:36,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:36,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:01:36,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:01:36,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:01:36,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:01:36,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:01:36,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:01:36,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:01:36,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:36,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 18:01:36,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 18:01:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:01:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:01:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:01:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:01:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:01:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:01:36,546 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:01:36,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:01:36,871 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:01:36,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:01:36,891 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:01:36,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:36 BoogieIcfgContainer [2022-10-15 18:01:36,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:01:36,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:01:36,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:01:36,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:01:36,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:01:35" (1/3) ... [2022-10-15 18:01:36,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547e6c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:36, skipping insertion in model container [2022-10-15 18:01:36,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36" (2/3) ... [2022-10-15 18:01:36,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547e6c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:36, skipping insertion in model container [2022-10-15 18:01:36,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:36" (3/3) ... [2022-10-15 18:01:36,922 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2022-10-15 18:01:36,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:01:36,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:01:37,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:01:37,089 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;@a23e668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:01:37,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:01:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-15 18:01:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 18:01:37,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:37,151 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:01:37,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:37,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:37,158 INFO L85 PathProgramCache]: Analyzing trace with hash -56790758, now seen corresponding path program 1 times [2022-10-15 18:01:37,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:37,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871297125] [2022-10-15 18:01:37,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-15 18:01:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 18:01:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 18:01:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 18:01:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 18:01:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 18:01:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-15 18:01:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 18:01:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 18:01:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:01:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:01:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 18:01:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-15 18:01:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-15 18:01:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-15 18:01:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 18:01:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:01:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:01:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2022-10-15 18:01:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:37,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871297125] [2022-10-15 18:01:37,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871297125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:01:37,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:01:37,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:01:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069141575] [2022-10-15 18:01:37,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:01:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:01:37,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:37,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:01:37,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:37,943 INFO L87 Difference]: Start difference. First operand has 71 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2022-10-15 18:01:37,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:01:37,973 INFO L93 Difference]: Finished difference Result 67 states and 107 transitions. [2022-10-15 18:01:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:01:37,975 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 214 [2022-10-15 18:01:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:01:37,985 INFO L225 Difference]: With dead ends: 67 [2022-10-15 18:01:37,986 INFO L226 Difference]: Without dead ends: 67 [2022-10-15 18:01:37,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:37,994 INFO L413 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:01:37,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:01:38,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-15 18:01:38,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-15 18:01:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-15 18:01:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 107 transitions. [2022-10-15 18:01:38,083 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 107 transitions. Word has length 214 [2022-10-15 18:01:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:01:38,085 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 107 transitions. [2022-10-15 18:01:38,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2022-10-15 18:01:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2022-10-15 18:01:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 18:01:38,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:38,102 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:01:38,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:01:38,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:38,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash -996669614, now seen corresponding path program 1 times [2022-10-15 18:01:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:38,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937170258] [2022-10-15 18:01:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-15 18:01:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 18:01:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 18:01:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 18:01:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 18:01:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 18:01:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-15 18:01:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 18:01:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 18:01:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:01:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:01:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 18:01:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-15 18:01:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-15 18:01:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-15 18:01:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 18:01:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:01:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:01:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 507 proven. 333 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2022-10-15 18:01:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:44,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937170258] [2022-10-15 18:01:44,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937170258] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 18:01:44,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989701610] [2022-10-15 18:01:44,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:44,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:01:44,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:44,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 18:01:44,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 18:01:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 76 conjunts are in the unsatisfiable core [2022-10-15 18:01:44,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:01:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 603 proven. 288 refuted. 0 times theorem prover too weak. 1921 trivial. 0 not checked. [2022-10-15 18:01:46,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 18:01:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 525 proven. 315 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2022-10-15 18:01:49,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989701610] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 18:01:49,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 18:01:49,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 24] total 62 [2022-10-15 18:01:49,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308463028] [2022-10-15 18:01:49,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 18:01:49,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-15 18:01:49,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:49,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-15 18:01:49,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3441, Unknown=0, NotChecked=0, Total=3782 [2022-10-15 18:01:49,168 INFO L87 Difference]: Start difference. First operand 67 states and 107 transitions. Second operand has 62 states, 48 states have (on average 1.375) internal successors, (66), 45 states have internal predecessors, (66), 35 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (103), 32 states have call predecessors, (103), 35 states have call successors, (103) [2022-10-15 18:01:58,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:01:58,449 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2022-10-15 18:01:58,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-15 18:01:58,450 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 48 states have (on average 1.375) internal successors, (66), 45 states have internal predecessors, (66), 35 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (103), 32 states have call predecessors, (103), 35 states have call successors, (103) Word has length 214 [2022-10-15 18:01:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:01:58,458 INFO L225 Difference]: With dead ends: 111 [2022-10-15 18:01:58,460 INFO L226 Difference]: Without dead ends: 109 [2022-10-15 18:01:58,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 473 SyntacticMatches, 5 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=1856, Invalid=7264, Unknown=0, NotChecked=0, Total=9120 [2022-10-15 18:01:58,480 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 448 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2833 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 2833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-15 18:01:58,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 632 Invalid, 3282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [449 Valid, 2833 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-15 18:01:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-10-15 18:01:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 79. [2022-10-15 18:01:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-10-15 18:01:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2022-10-15 18:01:58,548 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 214 [2022-10-15 18:01:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:01:58,550 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2022-10-15 18:01:58,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 48 states have (on average 1.375) internal successors, (66), 45 states have internal predecessors, (66), 35 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (103), 32 states have call predecessors, (103), 35 states have call successors, (103) [2022-10-15 18:01:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2022-10-15 18:01:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 18:01:58,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:58,562 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:01:58,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 18:01:58,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:01:58,777 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:58,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:58,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1806016240, now seen corresponding path program 1 times [2022-10-15 18:01:58,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:58,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398023552] [2022-10-15 18:01:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:02:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:02:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:02:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:02:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:02:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:02:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:02:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:02:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:02:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:02:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:02:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:02:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:02:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:02:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:02:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:02:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:02:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:02:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:02:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:02:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-15 18:02:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 18:02:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 18:02:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 18:02:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 18:02:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 18:02:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-15 18:02:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 18:02:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 18:02:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:02:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:02:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 18:02:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-15 18:02:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-15 18:02:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-15 18:02:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 18:02:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:02:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:02:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 597 proven. 294 refuted. 0 times theorem prover too weak. 1921 trivial. 0 not checked. [2022-10-15 18:02:05,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:02:05,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398023552] [2022-10-15 18:02:05,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398023552] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 18:02:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729254127] [2022-10-15 18:02:05,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:02:05,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:02:05,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:02:05,087 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) [2022-10-15 18:02:05,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 18:02:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:05,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 68 conjunts are in the unsatisfiable core [2022-10-15 18:02:05,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:02:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 724 proven. 282 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2022-10-15 18:02:07,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 18:02:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 576 proven. 315 refuted. 0 times theorem prover too weak. 1921 trivial. 0 not checked. [2022-10-15 18:02:11,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729254127] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 18:02:11,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 18:02:11,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 23] total 62 [2022-10-15 18:02:11,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422802509] [2022-10-15 18:02:11,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 18:02:11,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-15 18:02:11,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:02:11,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-15 18:02:11,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=3481, Unknown=0, NotChecked=0, Total=3782 [2022-10-15 18:02:11,100 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 62 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 43 states have internal predecessors, (71), 38 states have call successors, (109), 2 states have call predecessors, (109), 3 states have return successors, (110), 34 states have call predecessors, (110), 38 states have call successors, (110) [2022-10-15 18:02:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:02:27,195 INFO L93 Difference]: Finished difference Result 103 states and 153 transitions. [2022-10-15 18:02:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-15 18:02:27,197 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 43 states have internal predecessors, (71), 38 states have call successors, (109), 2 states have call predecessors, (109), 3 states have return successors, (110), 34 states have call predecessors, (110), 38 states have call successors, (110) Word has length 214 [2022-10-15 18:02:27,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:02:27,200 INFO L225 Difference]: With dead ends: 103 [2022-10-15 18:02:27,200 INFO L226 Difference]: Without dead ends: 101 [2022-10-15 18:02:27,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=1783, Invalid=7147, Unknown=0, NotChecked=0, Total=8930 [2022-10-15 18:02:27,205 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 374 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 2469 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 2469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-15 18:02:27,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 628 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 2469 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-15 18:02:27,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-10-15 18:02:27,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 75. [2022-10-15 18:02:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-10-15 18:02:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 118 transitions. [2022-10-15 18:02:27,221 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 118 transitions. Word has length 214 [2022-10-15 18:02:27,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:02:27,222 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 118 transitions. [2022-10-15 18:02:27,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 43 states have internal predecessors, (71), 38 states have call successors, (109), 2 states have call predecessors, (109), 3 states have return successors, (110), 34 states have call predecessors, (110), 38 states have call successors, (110) [2022-10-15 18:02:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2022-10-15 18:02:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 18:02:27,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:02:27,227 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:02:27,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-15 18:02:27,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-15 18:02:27,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:02:27,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:02:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2017737968, now seen corresponding path program 1 times [2022-10-15 18:02:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:02:27,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127964178] [2022-10-15 18:02:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:02:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:02:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 18:02:27,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.