./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe010_tso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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/safe010_tso.oepc_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 8804903ace70f853bad07f9fee5b9b26b766495e ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 05:49:49,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 05:49:49,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 05:49:49,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 05:49:49,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 05:49:49,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 05:49:49,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 05:49:49,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 05:49:49,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 05:49:49,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 05:49:49,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 05:49:49,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 05:49:49,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 05:49:49,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 05:49:49,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 05:49:49,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 05:49:49,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 05:49:49,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 05:49:49,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 05:49:49,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 05:49:49,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 05:49:49,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 05:49:49,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 05:49:49,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 05:49:49,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 05:49:49,760 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 05:49:49,761 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 05:49:49,762 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 05:49:49,766 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 05:49:49,769 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 05:49:49,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 05:49:49,770 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 05:49:49,770 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 05:49:49,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 05:49:49,773 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 05:49:49,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 05:49:49,775 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-13 05:49:49,806 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 05:49:49,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 05:49:49,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 05:49:49,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 05:49:49,810 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 05:49:49,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 05:49:49,810 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 05:49:49,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 05:49:49,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 05:49:49,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 05:49:49,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-13 05:49:49,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 05:49:49,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-13 05:49:49,812 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 05:49:49,813 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-13 05:49:49,813 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 05:49:49,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-13 05:49:49,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 05:49:49,813 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 05:49:49,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 05:49:49,814 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 05:49:49,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 05:49:49,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 05:49:49,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 05:49:49,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-13 05:49:49,815 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 05:49:49,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 05:49:49,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-13 05:49:49,815 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 -> 8804903ace70f853bad07f9fee5b9b26b766495e [2019-01-13 05:49:49,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 05:49:49,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 05:49:49,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 05:49:49,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 05:49:49,882 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 05:49:49,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe010_tso.oepc_true-unreach-call.i [2019-01-13 05:49:49,954 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66366feb/3cd2e264956a479c8687525c6c6b591d/FLAG92c739ae1 [2019-01-13 05:49:50,542 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 05:49:50,543 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe010_tso.oepc_true-unreach-call.i [2019-01-13 05:49:50,565 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66366feb/3cd2e264956a479c8687525c6c6b591d/FLAG92c739ae1 [2019-01-13 05:49:50,777 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66366feb/3cd2e264956a479c8687525c6c6b591d [2019-01-13 05:49:50,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 05:49:50,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-13 05:49:50,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 05:49:50,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 05:49:50,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 05:49:50,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:49:50" (1/1) ... [2019-01-13 05:49:50,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72780eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:50, skipping insertion in model container [2019-01-13 05:49:50,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:49:50" (1/1) ... [2019-01-13 05:49:50,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 05:49:50,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 05:49:51,246 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:49:51,260 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 05:49:51,424 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:49:51,509 INFO L195 MainTranslator]: Completed translation [2019-01-13 05:49:51,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51 WrapperNode [2019-01-13 05:49:51,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 05:49:51,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-13 05:49:51,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-13 05:49:51,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-13 05:49:51,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-13 05:49:51,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 05:49:51,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 05:49:51,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 05:49:51,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (1/1) ... [2019-01-13 05:49:51,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 05:49:51,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 05:49:51,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 05:49:51,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 05:49:51,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (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 [2019-01-13 05:49:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 05:49:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-13 05:49:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 05:49:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 05:49:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-13 05:49:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-13 05:49:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-13 05:49:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-13 05:49:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-13 05:49:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 05:49:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 05:49:51,665 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-13 05:49:52,124 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 05:49:52,125 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-13 05:49:52,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:52 BoogieIcfgContainer [2019-01-13 05:49:52,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 05:49:52,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 05:49:52,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 05:49:52,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 05:49:52,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 05:49:50" (1/3) ... [2019-01-13 05:49:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3c55ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:49:52, skipping insertion in model container [2019-01-13 05:49:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:51" (2/3) ... [2019-01-13 05:49:52,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3c55ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:49:52, skipping insertion in model container [2019-01-13 05:49:52,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:52" (3/3) ... [2019-01-13 05:49:52,140 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc_true-unreach-call.i [2019-01-13 05:49:52,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,180 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,180 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,180 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,180 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,181 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,183 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,183 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,184 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,184 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,184 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,184 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,184 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,185 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,185 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,185 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:52,205 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-13 05:49:52,205 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 05:49:52,213 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-13 05:49:52,231 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-13 05:49:52,255 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 05:49:52,256 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 05:49:52,256 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-13 05:49:52,256 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 05:49:52,256 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 05:49:52,257 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 05:49:52,257 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 05:49:52,257 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 05:49:52,257 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 05:49:52,266 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43places, 41 transitions [2019-01-13 05:49:52,311 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 433 states. [2019-01-13 05:49:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states. [2019-01-13 05:49:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 05:49:52,328 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:52,330 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] [2019-01-13 05:49:52,332 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:52,339 INFO L82 PathProgramCache]: Analyzing trace with hash -631790966, now seen corresponding path program 1 times [2019-01-13 05:49:52,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:52,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:52,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:52,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:52,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:52,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:52,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 05:49:52,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 05:49:52,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 05:49:52,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 05:49:52,645 INFO L87 Difference]: Start difference. First operand 433 states. Second operand 4 states. [2019-01-13 05:49:52,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:52,962 INFO L93 Difference]: Finished difference Result 443 states and 1060 transitions. [2019-01-13 05:49:52,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 05:49:52,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-01-13 05:49:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:52,985 INFO L225 Difference]: With dead ends: 443 [2019-01-13 05:49:52,986 INFO L226 Difference]: Without dead ends: 226 [2019-01-13 05:49:52,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:49:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-01-13 05:49:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-01-13 05:49:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-01-13 05:49:53,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 523 transitions. [2019-01-13 05:49:53,052 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 523 transitions. Word has length 24 [2019-01-13 05:49:53,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:53,053 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 523 transitions. [2019-01-13 05:49:53,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 05:49:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 523 transitions. [2019-01-13 05:49:53,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 05:49:53,056 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:53,056 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] [2019-01-13 05:49:53,057 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:53,057 INFO L82 PathProgramCache]: Analyzing trace with hash 960433980, now seen corresponding path program 1 times [2019-01-13 05:49:53,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:53,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:53,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:53,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:53,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:53,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:53,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 05:49:53,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 05:49:53,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 05:49:53,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:49:53,243 INFO L87 Difference]: Start difference. First operand 226 states and 523 transitions. Second operand 5 states. [2019-01-13 05:49:53,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:53,504 INFO L93 Difference]: Finished difference Result 194 states and 415 transitions. [2019-01-13 05:49:53,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 05:49:53,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-13 05:49:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:53,510 INFO L225 Difference]: With dead ends: 194 [2019-01-13 05:49:53,510 INFO L226 Difference]: Without dead ends: 170 [2019-01-13 05:49:53,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:49:53,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-01-13 05:49:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2019-01-13 05:49:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-01-13 05:49:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 369 transitions. [2019-01-13 05:49:53,539 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 369 transitions. Word has length 25 [2019-01-13 05:49:53,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:53,539 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 369 transitions. [2019-01-13 05:49:53,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 05:49:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 369 transitions. [2019-01-13 05:49:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-13 05:49:53,544 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:53,544 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] [2019-01-13 05:49:53,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:53,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:53,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1509875244, now seen corresponding path program 1 times [2019-01-13 05:49:53,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:53,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:53,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:53,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:53,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:53,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:53,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 05:49:53,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 05:49:53,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 05:49:53,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:49:53,784 INFO L87 Difference]: Start difference. First operand 170 states and 369 transitions. Second operand 7 states. [2019-01-13 05:49:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:54,222 INFO L93 Difference]: Finished difference Result 266 states and 593 transitions. [2019-01-13 05:49:54,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 05:49:54,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-01-13 05:49:54,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:54,225 INFO L225 Difference]: With dead ends: 266 [2019-01-13 05:49:54,225 INFO L226 Difference]: Without dead ends: 150 [2019-01-13 05:49:54,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-13 05:49:54,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-01-13 05:49:54,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-01-13 05:49:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-01-13 05:49:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 329 transitions. [2019-01-13 05:49:54,249 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 329 transitions. Word has length 26 [2019-01-13 05:49:54,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:54,249 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 329 transitions. [2019-01-13 05:49:54,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 05:49:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 329 transitions. [2019-01-13 05:49:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-13 05:49:54,253 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:54,253 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] [2019-01-13 05:49:54,255 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:54,257 INFO L82 PathProgramCache]: Analyzing trace with hash -281172338, now seen corresponding path program 2 times [2019-01-13 05:49:54,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:54,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:54,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:54,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:54,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:54,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:54,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 05:49:54,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 05:49:54,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 05:49:54,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-01-13 05:49:54,807 INFO L87 Difference]: Start difference. First operand 150 states and 329 transitions. Second operand 10 states. [2019-01-13 05:49:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:55,048 INFO L93 Difference]: Finished difference Result 118 states and 249 transitions. [2019-01-13 05:49:55,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 05:49:55,048 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-01-13 05:49:55,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:55,051 INFO L225 Difference]: With dead ends: 118 [2019-01-13 05:49:55,051 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 05:49:55,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-01-13 05:49:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 05:49:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 05:49:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 05:49:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 05:49:55,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-01-13 05:49:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:55,053 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 05:49:55,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 05:49:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 05:49:55,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 05:49:55,059 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-13 05:49:55,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 05:49:55 BasicIcfg [2019-01-13 05:49:55,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 05:49:55,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 05:49:55,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 05:49:55,062 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 05:49:55,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:52" (3/4) ... [2019-01-13 05:49:55,066 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 05:49:55,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-13 05:49:55,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-13 05:49:55,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-13 05:49:55,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-13 05:49:55,122 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 05:49:55,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 05:49:55,124 INFO L168 Benchmark]: Toolchain (without parser) took 4342.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.4 MB in the beginning and 954.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:55,126 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:49:55,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:55,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.11 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. [2019-01-13 05:49:55,128 INFO L168 Benchmark]: Boogie Preprocessor took 35.26 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. [2019-01-13 05:49:55,129 INFO L168 Benchmark]: RCFGBuilder took 529.17 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:55,131 INFO L168 Benchmark]: TraceAbstraction took 2933.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:55,132 INFO L168 Benchmark]: Witness Printer took 61.44 ms. Allocated memory is still 1.2 GB. Free memory is still 954.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:49:55,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 727.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.11 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. * Boogie Preprocessor took 35.26 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. * RCFGBuilder took 529.17 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2933.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. * Witness Printer took 61.44 ms. Allocated memory is still 1.2 GB. Free memory is still 954.3 MB. There was no memory consumed. 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, 53 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 179 SDslu, 475 SDs, 0 SdLazy, 80 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 7882 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...