./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe006_pso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/pthread-wmm/safe006_pso.opt_true-unreach-call.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 dd1cecf91bb0243d2bea71a0cda02e54d9b8c53d ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 00:56:23,548 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:56:23,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:56:23,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:56:23,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:56:23,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:56:23,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:56:23,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:56:23,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:56:23,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:56:23,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:56:23,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:56:23,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:56:23,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:56:23,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:56:23,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:56:23,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:56:23,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:56:23,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:56:23,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:56:23,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:56:23,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:56:23,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:56:23,601 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:56:23,601 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:56:23,602 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:56:23,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:56:23,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:56:23,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:56:23,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:56:23,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:56:23,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:56:23,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:56:23,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:56:23,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:56:23,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:56:23,610 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:56:23,637 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:56:23,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:56:23,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:56:23,640 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:56:23,640 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:56:23,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:56:23,640 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:56:23,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:56:23,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:56:23,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:56:23,642 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:56:23,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:56:23,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:56:23,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:56:23,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:56:23,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:56:23,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:56:23,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:56:23,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:56:23,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:56:23,643 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:56:23,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:56:23,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:56:23,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> dd1cecf91bb0243d2bea71a0cda02e54d9b8c53d [2019-01-01 00:56:23,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:56:23,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:56:23,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:56:23,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:56:23,707 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:56:23,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe006_pso.opt_true-unreach-call.i [2019-01-01 00:56:23,772 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ee15131/b2b1ffad0aaa48ad983daaf9dc72f23a/FLAGeba492ea8 [2019-01-01 00:56:24,298 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:56:24,298 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe006_pso.opt_true-unreach-call.i [2019-01-01 00:56:24,320 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ee15131/b2b1ffad0aaa48ad983daaf9dc72f23a/FLAGeba492ea8 [2019-01-01 00:56:24,573 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ee15131/b2b1ffad0aaa48ad983daaf9dc72f23a [2019-01-01 00:56:24,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:56:24,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:56:24,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:24,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:56:24,585 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:56:24,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:24" (1/1) ... [2019-01-01 00:56:24,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:24, skipping insertion in model container [2019-01-01 00:56:24,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:24" (1/1) ... [2019-01-01 00:56:24,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:56:24,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:56:25,065 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:25,079 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:56:25,238 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:25,318 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:56:25,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25 WrapperNode [2019-01-01 00:56:25,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:25,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:25,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:56:25,320 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:56:25,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:25,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:56:25,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:56:25,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:56:25,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (1/1) ... [2019-01-01 00:56:25,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:56:25,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:56:25,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:56:25,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:56:25,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (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 [2019-01-01 00:56:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:56:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:56:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:56:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:56:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:56:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:56:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:56:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:56:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:56:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:56:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:56:25,471 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-01 00:56:26,246 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:56:26,246 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:56:26,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:26 BoogieIcfgContainer [2019-01-01 00:56:26,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:56:26,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:56:26,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:56:26,254 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:56:26,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:56:24" (1/3) ... [2019-01-01 00:56:26,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75e771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:26, skipping insertion in model container [2019-01-01 00:56:26,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:25" (2/3) ... [2019-01-01 00:56:26,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75e771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:26, skipping insertion in model container [2019-01-01 00:56:26,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:26" (3/3) ... [2019-01-01 00:56:26,262 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_pso.opt_true-unreach-call.i [2019-01-01 00:56:26,296 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,296 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,296 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,297 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,297 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,297 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,297 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,299 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,299 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,299 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,300 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,300 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,300 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,300 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,300 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,303 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:26,319 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:56:26,320 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:56:26,328 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:56:26,346 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:56:26,371 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:56:26,372 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:56:26,372 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:56:26,373 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:56:26,373 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:56:26,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:56:26,374 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:56:26,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:56:26,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:56:26,390 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44places, 42 transitions [2019-01-01 00:56:26,426 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 434 states. [2019-01-01 00:56:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states. [2019-01-01 00:56:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 00:56:26,441 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:26,443 INFO L402 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] [2019-01-01 00:56:26,446 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:26,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:26,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1986495071, now seen corresponding path program 1 times [2019-01-01 00:56:26,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:26,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:26,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:26,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:26,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:26,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:26,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:56:26,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:56:26,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:56:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:56:26,793 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 4 states. [2019-01-01 00:56:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:26,921 INFO L93 Difference]: Finished difference Result 444 states and 1061 transitions. [2019-01-01 00:56:26,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:56:26,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 00:56:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:26,950 INFO L225 Difference]: With dead ends: 444 [2019-01-01 00:56:26,950 INFO L226 Difference]: Without dead ends: 227 [2019-01-01 00:56:26,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:56:26,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-01-01 00:56:27,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2019-01-01 00:56:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-01-01 00:56:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 524 transitions. [2019-01-01 00:56:27,016 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 524 transitions. Word has length 25 [2019-01-01 00:56:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:27,017 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 524 transitions. [2019-01-01 00:56:27,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:56:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 524 transitions. [2019-01-01 00:56:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-01 00:56:27,020 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:27,020 INFO L402 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] [2019-01-01 00:56:27,021 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:27,021 INFO L82 PathProgramCache]: Analyzing trace with hash -2009742139, now seen corresponding path program 1 times [2019-01-01 00:56:27,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:27,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:27,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:27,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:27,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:27,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:27,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:56:27,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:56:27,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:56:27,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:56:27,266 INFO L87 Difference]: Start difference. First operand 227 states and 524 transitions. Second operand 5 states. [2019-01-01 00:56:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:27,514 INFO L93 Difference]: Finished difference Result 195 states and 416 transitions. [2019-01-01 00:56:27,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:56:27,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-01 00:56:27,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:27,517 INFO L225 Difference]: With dead ends: 195 [2019-01-01 00:56:27,518 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 00:56:27,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 00:56:27,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-01-01 00:56:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 00:56:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 370 transitions. [2019-01-01 00:56:27,533 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 370 transitions. Word has length 26 [2019-01-01 00:56:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:27,533 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 370 transitions. [2019-01-01 00:56:27,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:56:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 370 transitions. [2019-01-01 00:56:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:56:27,535 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:27,536 INFO L402 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] [2019-01-01 00:56:27,536 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:27,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:27,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1111707995, now seen corresponding path program 1 times [2019-01-01 00:56:27,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:27,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:27,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:27,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:27,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:27,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:27,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:27,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:27,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:27,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:27,772 INFO L87 Difference]: Start difference. First operand 171 states and 370 transitions. Second operand 7 states. [2019-01-01 00:56:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:28,044 INFO L93 Difference]: Finished difference Result 267 states and 594 transitions. [2019-01-01 00:56:28,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:28,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:56:28,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:28,047 INFO L225 Difference]: With dead ends: 267 [2019-01-01 00:56:28,047 INFO L226 Difference]: Without dead ends: 167 [2019-01-01 00:56:28,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:56:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-01-01 00:56:28,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-01-01 00:56:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-01 00:56:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 362 transitions. [2019-01-01 00:56:28,065 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 362 transitions. Word has length 27 [2019-01-01 00:56:28,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:28,066 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 362 transitions. [2019-01-01 00:56:28,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 362 transitions. [2019-01-01 00:56:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:56:28,074 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:28,074 INFO L402 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] [2019-01-01 00:56:28,074 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:28,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:28,075 INFO L82 PathProgramCache]: Analyzing trace with hash 204449309, now seen corresponding path program 2 times [2019-01-01 00:56:28,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:28,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:28,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:28,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:28,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:28,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:28,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:28,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:28,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:28,291 INFO L87 Difference]: Start difference. First operand 167 states and 362 transitions. Second operand 7 states. [2019-01-01 00:56:28,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:28,475 INFO L93 Difference]: Finished difference Result 135 states and 282 transitions. [2019-01-01 00:56:28,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:28,476 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:56:28,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:28,476 INFO L225 Difference]: With dead ends: 135 [2019-01-01 00:56:28,476 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:56:28,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:56:28,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:56:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:56:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:56:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:56:28,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-01-01 00:56:28,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:28,478 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:56:28,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:56:28,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:56:28,482 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:56:28,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:56:28 BasicIcfg [2019-01-01 00:56:28,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:56:28,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:56:28,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:56:28,485 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:56:28,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:26" (3/4) ... [2019-01-01 00:56:28,490 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:56:28,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:56:28,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:56:28,504 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-01 00:56:28,504 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:56:28,554 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:56:28,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:56:28,555 INFO L168 Benchmark]: Toolchain (without parser) took 3976.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 947.3 MB in the beginning and 961.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 100.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:28,557 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:28,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:28,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:28,558 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:28,559 INFO L168 Benchmark]: RCFGBuilder took 846.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:28,560 INFO L168 Benchmark]: TraceAbstraction took 2235.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.9 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:28,560 INFO L168 Benchmark]: Witness Printer took 69.05 ms. Allocated memory is still 1.1 GB. Free memory was 968.9 MB in the beginning and 961.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:28,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 846.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2235.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.9 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.05 ms. Allocated memory is still 1.1 GB. Free memory was 968.9 MB in the beginning and 961.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 160 SDtfs, 184 SDslu, 390 SDs, 0 SdLazy, 60 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 7025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...