./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/sigma.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6692e4fc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/sigma.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0213c2498f4ad9d8dd3bd44119e09066ed0e9f1d ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:42:38,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:42:38,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:42:38,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:42:38,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:42:38,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:42:38,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:42:38,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:42:38,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:42:38,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:42:38,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:42:38,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:42:38,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:42:38,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:42:38,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:42:38,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:42:38,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:42:38,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:42:38,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:42:38,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:42:38,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:42:38,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:42:38,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:42:38,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:42:38,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:42:38,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:42:38,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:42:38,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:42:38,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:42:38,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:42:38,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:42:38,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:42:38,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:42:38,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:42:38,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:42:38,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:42:38,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:42:38,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:42:38,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:42:38,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:42:38,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:42:38,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 17:42:38,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:42:38,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:42:38,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:42:38,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:42:38,441 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:42:38,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:42:38,441 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:42:38,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:42:38,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:42:38,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:42:38,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 17:42:38,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:42:38,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 17:42:38,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:42:38,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 17:42:38,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:42:38,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 17:42:38,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:42:38,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:42:38,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:42:38,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:42:38,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:42:38,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:42:38,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:42:38,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 17:42:38,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:42:38,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:42:38,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 17:42:38,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 ! call(__VERIFIER_error())) ) 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 -> 0213c2498f4ad9d8dd3bd44119e09066ed0e9f1d [2019-11-25 17:42:38,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:42:38,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:42:38,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:42:38,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:42:38,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:42:38,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sigma.i [2019-11-25 17:42:38,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b47c31c0/601ccb4dc62d4315a1f9a182f82ace71/FLAG9b6c7dfee [2019-11-25 17:42:39,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:42:39,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sigma.i [2019-11-25 17:42:39,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b47c31c0/601ccb4dc62d4315a1f9a182f82ace71/FLAG9b6c7dfee [2019-11-25 17:42:39,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b47c31c0/601ccb4dc62d4315a1f9a182f82ace71 [2019-11-25 17:42:39,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:42:39,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 17:42:39,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:42:39,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:42:39,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:42:39,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:42:39" (1/1) ... [2019-11-25 17:42:39,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d52cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:39, skipping insertion in model container [2019-11-25 17:42:39,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:42:39" (1/1) ... [2019-11-25 17:42:39,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:42:39,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:42:40,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:42:40,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:42:40,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:42:40,534 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:42:40,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40 WrapperNode [2019-11-25 17:42:40,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:42:40,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 17:42:40,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 17:42:40,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 17:42:40,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 17:42:40,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:42:40,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:42:40,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:42:40,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... [2019-11-25 17:42:40,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:42:40,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:42:40,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:42:40,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:42:40,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:42:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:42:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:42:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:42:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 17:42:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 17:42:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:42:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:42:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-11-25 17:42:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-11-25 17:42:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:42:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:42:40,710 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 17:42:41,113 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:42:41,113 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 17:42:41,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:41 BoogieIcfgContainer [2019-11-25 17:42:41,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:42:41,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:42:41,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:42:41,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:42:41,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:42:39" (1/3) ... [2019-11-25 17:42:41,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f13f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:42:41, skipping insertion in model container [2019-11-25 17:42:41,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:40" (2/3) ... [2019-11-25 17:42:41,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f13f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:42:41, skipping insertion in model container [2019-11-25 17:42:41,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:41" (3/3) ... [2019-11-25 17:42:41,123 INFO L109 eAbstractionObserver]: Analyzing ICFG sigma.i [2019-11-25 17:42:41,133 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 17:42:41,133 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:42:41,141 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 17:42:41,170 WARN L315 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,170 WARN L315 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,171 WARN L315 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,171 WARN L315 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,172 WARN L315 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,172 WARN L315 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,173 WARN L315 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,173 WARN L315 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,173 WARN L315 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,174 WARN L315 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,174 WARN L315 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,174 WARN L315 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,175 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,175 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,175 WARN L315 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,176 WARN L315 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,176 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,176 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:41,206 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-25 17:42:41,224 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:42:41,224 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 17:42:41,225 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:42:41,225 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:42:41,225 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:42:41,225 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:42:41,226 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:42:41,226 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:42:41,237 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 86 transitions [2019-11-25 17:42:41,886 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8023 states. [2019-11-25 17:42:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states. [2019-11-25 17:42:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 17:42:41,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:41,909 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:42:41,911 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:42:41,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:41,921 INFO L82 PathProgramCache]: Analyzing trace with hash -937654746, now seen corresponding path program 1 times [2019-11-25 17:42:41,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:41,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540742840] [2019-11-25 17:42:41,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:42:42,307 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540742840] [2019-11-25 17:42:42,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:42,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 17:42:42,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778891505] [2019-11-25 17:42:42,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 17:42:42,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:42,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 17:42:42,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 17:42:42,347 INFO L87 Difference]: Start difference. First operand 8023 states. Second operand 2 states. [2019-11-25 17:42:42,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:42,494 INFO L93 Difference]: Finished difference Result 8023 states and 24394 transitions. [2019-11-25 17:42:42,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 17:42:42,495 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2019-11-25 17:42:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:42,580 INFO L225 Difference]: With dead ends: 8023 [2019-11-25 17:42:42,580 INFO L226 Difference]: Without dead ends: 6724 [2019-11-25 17:42:42,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 17:42:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6724 states. [2019-11-25 17:42:43,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6724 to 6724. [2019-11-25 17:42:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6724 states. [2019-11-25 17:42:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6724 states to 6724 states and 20503 transitions. [2019-11-25 17:42:43,047 INFO L78 Accepts]: Start accepts. Automaton has 6724 states and 20503 transitions. Word has length 31 [2019-11-25 17:42:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:43,048 INFO L462 AbstractCegarLoop]: Abstraction has 6724 states and 20503 transitions. [2019-11-25 17:42:43,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 17:42:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6724 states and 20503 transitions. [2019-11-25 17:42:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 17:42:43,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:43,050 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:42:43,050 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:42:43,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash -218464121, now seen corresponding path program 1 times [2019-11-25 17:42:43,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:43,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740802986] [2019-11-25 17:42:43,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:42:43,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740802986] [2019-11-25 17:42:43,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:43,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 17:42:43,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76718844] [2019-11-25 17:42:43,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:42:43,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:43,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:42:43,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:42:43,263 INFO L87 Difference]: Start difference. First operand 6724 states and 20503 transitions. Second operand 5 states. [2019-11-25 17:42:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:43,437 INFO L93 Difference]: Finished difference Result 5558 states and 15692 transitions. [2019-11-25 17:42:43,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 17:42:43,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 17:42:43,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:43,473 INFO L225 Difference]: With dead ends: 5558 [2019-11-25 17:42:43,473 INFO L226 Difference]: Without dead ends: 5558 [2019-11-25 17:42:43,474 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-25 17:42:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5558 states. [2019-11-25 17:42:43,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5558 to 4969. [2019-11-25 17:42:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4969 states. [2019-11-25 17:42:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4969 states and 14298 transitions. [2019-11-25 17:42:43,632 INFO L78 Accepts]: Start accepts. Automaton has 4969 states and 14298 transitions. Word has length 31 [2019-11-25 17:42:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:43,632 INFO L462 AbstractCegarLoop]: Abstraction has 4969 states and 14298 transitions. [2019-11-25 17:42:43,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:42:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4969 states and 14298 transitions. [2019-11-25 17:42:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-25 17:42:43,642 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:43,643 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:42:43,643 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:42:43,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1113234797, now seen corresponding path program 1 times [2019-11-25 17:42:43,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:43,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266031104] [2019-11-25 17:42:43,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:42:43,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266031104] [2019-11-25 17:42:43,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733801040] [2019-11-25 17:42:43,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 17:42:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:44,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:42:44,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:42:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:42:44,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:42:44,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 18 [2019-11-25 17:42:44,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357512694] [2019-11-25 17:42:44,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 17:42:44,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:44,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 17:42:44,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2019-11-25 17:42:44,217 INFO L87 Difference]: Start difference. First operand 4969 states and 14298 transitions. Second operand 18 states. [2019-11-25 17:42:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:44,457 INFO L93 Difference]: Finished difference Result 5074 states and 14527 transitions. [2019-11-25 17:42:44,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 17:42:44,457 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 63 [2019-11-25 17:42:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:44,491 INFO L225 Difference]: With dead ends: 5074 [2019-11-25 17:42:44,492 INFO L226 Difference]: Without dead ends: 5074 [2019-11-25 17:42:44,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2019-11-25 17:42:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5074 states. [2019-11-25 17:42:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5074 to 4959. [2019-11-25 17:42:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4959 states. [2019-11-25 17:42:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 4959 states and 14275 transitions. [2019-11-25 17:42:44,643 INFO L78 Accepts]: Start accepts. Automaton has 4959 states and 14275 transitions. Word has length 63 [2019-11-25 17:42:44,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:44,644 INFO L462 AbstractCegarLoop]: Abstraction has 4959 states and 14275 transitions. [2019-11-25 17:42:44,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 17:42:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 14275 transitions. [2019-11-25 17:42:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-25 17:42:44,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:44,650 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:42:44,858 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 17:42:44,858 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:42:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -450824040, now seen corresponding path program 1 times [2019-11-25 17:42:44,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:44,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863483344] [2019-11-25 17:42:44,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:42:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:42:45,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 17:42:45,007 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 17:42:45,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f13f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:42:45, skipping insertion in model container [2019-11-25 17:42:45,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 17:42:45,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 17:42:45,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 17:42:45,011 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 17:42:45,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:41" (3/3) ... [2019-11-25 17:42:45,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 17:42:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread [2019-11-25 17:42:45,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-25 17:42:45,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 17:42:45,030 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 17:42:45,081 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 17:42:45,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 17:42:45,083 INFO L168 Benchmark]: Toolchain (without parser) took 5396.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.5 MB). Free memory was 946.9 MB in the beginning and 945.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 293.3 MB. Max. memory is 11.5 GB. [2019-11-25 17:42:45,084 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:42:45,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-11-25 17:42:45,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:42:45,086 INFO L168 Benchmark]: Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:42:45,087 INFO L168 Benchmark]: RCFGBuilder took 485.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-25 17:42:45,087 INFO L168 Benchmark]: TraceAbstraction took 3894.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.5 MB). Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 101.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. [2019-11-25 17:42:45,088 INFO L168 Benchmark]: Witness Printer took 70.07 ms. Allocated memory is still 1.3 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:42:45,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 848.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 485.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3894.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.5 MB). Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 101.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.07 ms. Allocated memory is still 1.3 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - GenericResult: unable to analyze concurrent program unable to analyze - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...