./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memset.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 566f1414dafe692faf7ed7456be2d3e7d288640b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 10:22:56,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 10:22:56,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 10:22:56,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 10:22:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 10:22:56,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 10:22:56,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 10:22:56,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 10:22:56,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 10:22:56,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 10:22:56,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 10:22:56,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 10:22:56,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 10:22:56,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 10:22:56,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 10:22:56,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 10:22:56,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 10:22:56,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 10:22:56,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 10:22:56,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 10:22:56,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 10:22:56,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 10:22:56,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 10:22:56,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 10:22:56,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 10:22:56,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 10:22:56,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 10:22:56,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 10:22:56,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 10:22:56,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 10:22:56,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 10:22:56,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 10:22:56,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 10:22:56,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 10:22:56,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 10:22:56,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 10:22:56,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 10:22:56,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 10:22:56,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 10:22:56,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 10:22:56,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 10:22:56,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-07-06 10:22:56,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 10:22:56,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 10:22:56,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 10:22:56,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 10:22:56,664 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 10:22:56,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 10:22:56,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 10:22:56,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 10:22:56,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 10:22:56,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 10:22:56,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-07-06 10:22:56,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 10:22:56,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 10:22:56,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 10:22:56,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 10:22:56,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 10:22:56,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 10:22:56,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 10:22:56,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 10:22:56,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 10:22:56,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 10:22:56,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 10:22:56,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566f1414dafe692faf7ed7456be2d3e7d288640b [2021-07-06 10:22:56,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 10:22:56,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 10:22:56,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 10:22:56,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 10:22:56,901 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 10:22:56,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memset.c [2021-07-06 10:22:56,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30bb5507/272867737dbc41668804c56a92686ac6/FLAGe17ede89e [2021-07-06 10:22:57,326 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 10:22:57,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memset.c [2021-07-06 10:22:57,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30bb5507/272867737dbc41668804c56a92686ac6/FLAGe17ede89e [2021-07-06 10:22:57,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30bb5507/272867737dbc41668804c56a92686ac6 [2021-07-06 10:22:57,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 10:22:57,764 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-06 10:22:57,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 10:22:57,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 10:22:57,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 10:22:57,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfdb2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57, skipping insertion in model container [2021-07-06 10:22:57,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 10:22:57,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 10:22:57,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:22:57,881 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 10:22:57,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:22:57,901 INFO L208 MainTranslator]: Completed translation [2021-07-06 10:22:57,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57 WrapperNode [2021-07-06 10:22:57,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 10:22:57,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 10:22:57,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 10:22:57,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 10:22:57,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 10:22:57,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 10:22:57,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 10:22:57,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 10:22:57,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (1/1) ... [2021-07-06 10:22:57,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 10:22:57,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 10:22:57,987 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) [2021-07-06 10:22:58,007 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 [2021-07-06 10:22:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-07-06 10:22:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 10:22:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-07-06 10:22:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-07-06 10:22:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-07-06 10:22:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-07-06 10:22:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 10:22:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-07-06 10:22:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 10:22:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-07-06 10:22:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 10:22:58,128 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-07-06 10:22:58,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 10:22:58,227 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-06 10:22:58,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:22:58 BoogieIcfgContainer [2021-07-06 10:22:58,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 10:22:58,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-06 10:22:58,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-06 10:22:58,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-06 10:22:58,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 10:22:57" (1/3) ... [2021-07-06 10:22:58,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4bb773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 10:22:58, skipping insertion in model container [2021-07-06 10:22:58,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:22:57" (2/3) ... [2021-07-06 10:22:58,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4bb773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 10:22:58, skipping insertion in model container [2021-07-06 10:22:58,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:22:58" (3/3) ... [2021-07-06 10:22:58,233 INFO L111 eAbstractionObserver]: Analyzing ICFG memset.c [2021-07-06 10:22:58,237 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-06 10:22:58,237 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-06 10:22:58,262 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == mainErr0REQUIRES_VIOLATION ======== [2021-07-06 10:22:58,267 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 10:22:58,267 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 10:22:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-07-06 10:22:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-07-06 10:22:58,283 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:22:58,284 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:22:58,284 INFO L374 AbstractCegarLoop]: === Iteration 1 === [mainErr0REQUIRES_VIOLATION] === [2021-07-06 10:22:58,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:22:58,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1092847368, now seen corresponding path program 1 times [2021-07-06 10:22:58,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 10:22:58,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072341759] [2021-07-06 10:22:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:58,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 10:22:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-07-06 10:22:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:58,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 10:22:58,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072341759] [2021-07-06 10:22:58,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072341759] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 10:22:58,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 10:22:58,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 10:22:58,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189068710] [2021-07-06 10:22:58,451 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-06 10:22:58,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 10:22:58,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-06 10:22:58,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-06 10:22:58,463 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-07-06 10:22:58,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 10:22:58,511 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-07-06 10:22:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-06 10:22:58,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 7 [2021-07-06 10:22:58,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 10:22:58,516 INFO L225 Difference]: With dead ends: 19 [2021-07-06 10:22:58,516 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 10:22:58,517 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-06 10:22:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 10:22:58,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 10:22:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 10:22:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 10:22:58,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-07-06 10:22:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 10:22:58,530 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 10:22:58,530 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-07-06 10:22:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 10:22:58,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 10:22:58,535 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-06 10:22:58,535 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 10:22:58,538 INFO L303 ceAbstractionStarter]: Result for error location mainErr0REQUIRES_VIOLATION was SAFE (1/3) [2021-07-06 10:22:58,540 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == mainErr1REQUIRES_VIOLATION ======== [2021-07-06 10:22:58,541 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 10:22:58,541 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 10:22:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-07-06 10:22:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-07-06 10:22:58,542 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:22:58,543 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:22:58,543 INFO L374 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION] === [2021-07-06 10:22:58,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:22:58,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1092847367, now seen corresponding path program 1 times [2021-07-06 10:22:58,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 10:22:58,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108583475] [2021-07-06 10:22:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:58,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 10:22:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 10:22:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-07-06 10:22:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:58,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 10:22:58,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108583475] [2021-07-06 10:22:58,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108583475] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 10:22:58,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 10:22:58,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 10:22:58,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873095571] [2021-07-06 10:22:58,587 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-06 10:22:58,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 10:22:58,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-06 10:22:58,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-06 10:22:58,588 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-07-06 10:22:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 10:22:58,614 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-07-06 10:22:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-06 10:22:58,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 7 [2021-07-06 10:22:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 10:22:58,616 INFO L225 Difference]: With dead ends: 19 [2021-07-06 10:22:58,616 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 10:22:58,617 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-06 10:22:58,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 10:22:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 10:22:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 10:22:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 10:22:58,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-07-06 10:22:58,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 10:22:58,619 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 10:22:58,619 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-07-06 10:22:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 10:22:58,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 10:22:58,620 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-06 10:22:58,621 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 10:22:58,621 INFO L303 ceAbstractionStarter]: Result for error location mainErr1REQUIRES_VIOLATION was SAFE (2/3) [2021-07-06 10:22:58,622 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == mainErr2ENSURES_VIOLATIONMEMORY_LEAK ======== [2021-07-06 10:22:58,623 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 10:22:58,626 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 10:22:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-07-06 10:22:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-06 10:22:58,629 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:22:58,629 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:22:58,629 INFO L374 AbstractCegarLoop]: === Iteration 1 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK] === [2021-07-06 10:22:58,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:22:58,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1462327129, now seen corresponding path program 1 times [2021-07-06 10:22:58,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 10:22:58,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744017958] [2021-07-06 10:22:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:58,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 10:22:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-07-06 10:22:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-07-06 10:22:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:58,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 10:22:58,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744017958] [2021-07-06 10:22:58,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744017958] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 10:22:58,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 10:22:58,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 10:22:58,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200731849] [2021-07-06 10:22:58,711 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-06 10:22:58,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 10:22:58,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-06 10:22:58,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-06 10:22:58,712 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-07-06 10:22:58,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 10:22:58,795 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2021-07-06 10:22:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 10:22:58,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2021-07-06 10:22:58,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 10:22:58,798 INFO L225 Difference]: With dead ends: 23 [2021-07-06 10:22:58,798 INFO L226 Difference]: Without dead ends: 16 [2021-07-06 10:22:58,798 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-06 10:22:58,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-07-06 10:22:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-07-06 10:22:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-07-06 10:22:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-07-06 10:22:58,804 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2021-07-06 10:22:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 10:22:58,804 INFO L442 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-07-06 10:22:58,804 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-07-06 10:22:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-07-06 10:22:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-06 10:22:58,805 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:22:58,805 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:22:58,805 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-06 10:22:58,805 INFO L374 AbstractCegarLoop]: === Iteration 2 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK] === [2021-07-06 10:22:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:22:58,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1971150090, now seen corresponding path program 1 times [2021-07-06 10:22:58,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 10:22:58,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650711199] [2021-07-06 10:22:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:58,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 10:22:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-07-06 10:22:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-07-06 10:22:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:58,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 10:22:58,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650711199] [2021-07-06 10:22:58,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650711199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 10:22:58,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172574978] [2021-07-06 10:22:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:58,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 10:22:58,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 10:22:58,883 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) [2021-07-06 10:22:58,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-06 10:22:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:58,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 10:22:58,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 10:22:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 10:22:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 10:22:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 10:22:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 10:22:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 10:22:59,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 10:22:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 10:22:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,038 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-06 10:22:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:59,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172574978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 10:22:59,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-06 10:22:59,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-06 10:22:59,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218845889] [2021-07-06 10:22:59,044 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-06 10:22:59,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 10:22:59,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 10:22:59,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 10:22:59,045 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-07-06 10:22:59,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 10:22:59,095 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-07-06 10:22:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 10:22:59,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-07-06 10:22:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 10:22:59,097 INFO L225 Difference]: With dead ends: 19 [2021-07-06 10:22:59,097 INFO L226 Difference]: Without dead ends: 17 [2021-07-06 10:22:59,097 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 39.0ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-07-06 10:22:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-07-06 10:22:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-07-06 10:22:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-07-06 10:22:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-07-06 10:22:59,100 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2021-07-06 10:22:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 10:22:59,100 INFO L442 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-07-06 10:22:59,100 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-07-06 10:22:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-07-06 10:22:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-06 10:22:59,101 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:22:59,101 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:22:59,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-06 10:22:59,316 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 10:22:59,317 INFO L374 AbstractCegarLoop]: === Iteration 3 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK] === [2021-07-06 10:22:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:22:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1034761479, now seen corresponding path program 2 times [2021-07-06 10:22:59,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 10:22:59,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493571563] [2021-07-06 10:22:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:22:59,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 10:22:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-07-06 10:22:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-07-06 10:22:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 10:22:59,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 10:22:59,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 10:22:59,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493571563] [2021-07-06 10:22:59,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493571563] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 10:22:59,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414862513] [2021-07-06 10:22:59,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-06 10:22:59,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 10:22:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 10:22:59,405 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) [2021-07-06 10:22:59,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-07-06 10:22:59,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-06 10:22:59,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-06 10:22:59,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 10:22:59,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 10:22:59,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 10:22:59,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 10:22:59,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-07-06 10:22:59,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,496 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-06 10:22:59,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-06 10:22:59,511 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-06 10:22:59,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-06 10:22:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 10:22:59,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 10:22:59,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 10:22:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 10:22:59,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 10:22:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 10:22:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 10:22:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 10:22:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 10:22:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 10:22:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-06 10:22:59,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414862513] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 10:22:59,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-06 10:22:59,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2021-07-06 10:22:59,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409904530] [2021-07-06 10:22:59,666 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-06 10:22:59,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 10:22:59,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 10:22:59,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-06 10:22:59,667 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-07-06 10:22:59,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 10:22:59,700 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-07-06 10:22:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 10:22:59,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2021-07-06 10:22:59,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 10:22:59,701 INFO L225 Difference]: With dead ends: 16 [2021-07-06 10:22:59,701 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 10:22:59,701 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 73.4ms TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-06 10:22:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 10:22:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 10:22:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 10:22:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 10:22:59,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-07-06 10:22:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 10:22:59,702 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 10:22:59,702 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-07-06 10:22:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 10:22:59,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 10:22:59,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-07-06 10:22:59,916 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 10:22:59,917 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 10:22:59,917 INFO L303 ceAbstractionStarter]: Result for error location mainErr2ENSURES_VIOLATIONMEMORY_LEAK was SAFE (3/3) [2021-07-06 10:22:59,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 10:22:59 BoogieIcfgContainer [2021-07-06 10:22:59,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-06 10:22:59,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 10:22:59,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 10:22:59,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 10:22:59,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:22:58" (3/4) ... [2021-07-06 10:22:59,922 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-06 10:22:59,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-07-06 10:22:59,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-07-06 10:22:59,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-07-06 10:22:59,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-07-06 10:22:59,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-07-06 10:22:59,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-06 10:22:59,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-06 10:22:59,945 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 10:22:59,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 10:22:59,946 INFO L168 Benchmark]: Toolchain (without parser) took 2181.91 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.2 MB in the beginning and 45.4 MB in the end (delta: -14.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.40 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 36.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 34.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: RCFGBuilder took 298.49 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: TraceAbstraction took 1690.52 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 47.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,946 INFO L168 Benchmark]: Witness Printer took 25.57 ms. Allocated memory is still 83.9 MB. Free memory was 47.9 MB in the beginning and 45.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 10:22:59,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 137.40 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 36.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 34.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 298.49 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1690.52 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 47.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Witness Printer took 25.57 ms. Allocated memory is still 83.9 MB. Free memory was 47.9 MB in the beginning and 45.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0REQUIRES_VIOLATION CFG has 4 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 277.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.4ms, AutomataDifference: 64.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.2ms SsaConstructionTime, 15.1ms SatisfiabilityAnalysisTime, 71.5ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr1REQUIRES_VIOLATION CFG has 4 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 80.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.1ms, AutomataDifference: 29.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 14 SDtfs, 6 SDslu, 11 SDs, 0 SdLazy, 20 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0ms SsaConstructionTime, 6.6ms SatisfiabilityAnalysisTime, 31.9ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr2ENSURES_VIOLATIONMEMORY_LEAK CFG has 4 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1295.0ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 3.1ms, AutomataDifference: 174.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 34 SDtfs, 23 SDslu, 61 SDs, 0 SdLazy, 85 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 163.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.1ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.0ms SsaConstructionTime, 78.5ms SatisfiabilityAnalysisTime, 504.7ms InterpolantComputationTime, 76 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 71 ConstructedInterpolants, 8 QuantifiedInterpolants, 201 SizeOfPredicates, 1 NumberOfNonLiveVariables, 129 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-07-06 10:22:59,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...