./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_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/safe001_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 0a487c8eb540e469d1c4ca66a04c4c198cd79c81 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:55:57,976 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:55:57,980 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:55:58,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:55:58,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:55:58,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:55:58,004 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:55:58,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:55:58,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:55:58,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:55:58,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:55:58,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:55:58,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:55:58,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:55:58,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:55:58,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:55:58,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:55:58,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:55:58,022 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:55:58,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:55:58,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:55:58,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:55:58,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:55:58,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:55:58,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:55:58,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:55:58,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:55:58,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:55:58,045 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:55:58,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:55:58,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:55:58,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:55:58,047 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:55:58,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:55:58,049 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:55:58,049 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:55:58,050 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:55:58,068 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:55:58,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:55:58,070 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:55:58,070 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:55:58,070 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:55:58,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:55:58,070 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:55:58,071 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:55:58,072 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:55:58,072 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:55:58,072 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:55:58,072 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:55:58,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:55:58,072 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:55:58,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:55:58,073 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:55:58,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:55:58,073 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:55:58,073 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:55:58,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:55:58,074 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:55:58,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:55:58,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:55:58,074 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 -> 0a487c8eb540e469d1c4ca66a04c4c198cd79c81 [2019-01-01 00:55:58,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:55:58,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:55:58,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:55:58,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:55:58,155 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:55:58,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i [2019-01-01 00:55:58,227 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fce1c4fe/7be5407074f646beaaa48ffc9b0c7125/FLAG38e08344b [2019-01-01 00:55:58,799 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:55:58,800 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i [2019-01-01 00:55:58,825 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fce1c4fe/7be5407074f646beaaa48ffc9b0c7125/FLAG38e08344b [2019-01-01 00:55:59,068 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fce1c4fe/7be5407074f646beaaa48ffc9b0c7125 [2019-01-01 00:55:59,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:55:59,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:55:59,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:55:59,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:55:59,080 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:55:59,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230d0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59, skipping insertion in model container [2019-01-01 00:55:59,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:55:59,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:55:59,634 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:55:59,651 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:55:59,794 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:55:59,899 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:55:59,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59 WrapperNode [2019-01-01 00:55:59,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:55:59,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:55:59,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:55:59,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:55:59,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:55:59,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:55:59,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:55:59,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:55:59,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:55:59,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (1/1) ... [2019-01-01 00:56:00,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:56:00,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:56:00,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:56:00,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:56:00,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (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 00:56:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:56:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:56:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:56:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:56:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:56:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:56:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:56:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:56:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-01 00:56:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-01 00:56:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:56:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:56:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:56:00,076 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 00:56:00,567 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:56:00,567 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:56:00,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:00 BoogieIcfgContainer [2019-01-01 00:56:00,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:56:00,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:56:00,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:56:00,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:56:00,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:55:59" (1/3) ... [2019-01-01 00:56:00,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cdeff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:00, skipping insertion in model container [2019-01-01 00:56:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:55:59" (2/3) ... [2019-01-01 00:56:00,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cdeff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:00, skipping insertion in model container [2019-01-01 00:56:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:00" (3/3) ... [2019-01-01 00:56:00,579 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc_true-unreach-call.i [2019-01-01 00:56:00,617 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,618 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,618 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,618 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,618 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,619 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,619 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,619 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,619 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,619 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,621 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,621 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,622 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,622 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,622 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,623 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,623 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,623 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,623 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,623 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,624 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,624 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,626 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,627 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,627 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,627 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,627 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,627 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:00,675 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:56:00,675 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:56:00,684 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:56:00,700 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:56:00,727 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:56:00,727 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:56:00,728 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:56:00,728 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:56:00,728 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:56:00,728 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:56:00,728 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:56:00,728 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:56:00,728 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:56:00,739 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2019-01-01 00:56:00,890 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2019-01-01 00:56:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2019-01-01 00:56:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 00:56:00,924 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:00,928 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, 1, 1] [2019-01-01 00:56:00,930 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1523724345, now seen corresponding path program 1 times [2019-01-01 00:56:00,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:00,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:01,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:01,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:01,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:01,339 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 00:56:01,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:01,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:56:01,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:56:01,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:56:01,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:56:01,369 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2019-01-01 00:56:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:01,673 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2019-01-01 00:56:01,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:56:01,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-01-01 00:56:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:01,723 INFO L225 Difference]: With dead ends: 2492 [2019-01-01 00:56:01,725 INFO L226 Difference]: Without dead ends: 1127 [2019-01-01 00:56:01,728 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 00:56:01,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2019-01-01 00:56:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2019-01-01 00:56:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-01-01 00:56:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2019-01-01 00:56:01,897 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2019-01-01 00:56:01,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:01,898 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2019-01-01 00:56:01,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:56:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2019-01-01 00:56:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-01 00:56:01,902 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:01,903 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, 1, 1, 1] [2019-01-01 00:56:01,903 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:01,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:01,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1285499803, now seen corresponding path program 1 times [2019-01-01 00:56:01,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:01,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:01,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:01,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:01,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:02,146 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 00:56:02,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:02,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:56:02,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:56:02,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:56:02,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:56:02,154 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2019-01-01 00:56:02,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:02,613 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2019-01-01 00:56:02,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:56:02,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-01-01 00:56:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:02,624 INFO L225 Difference]: With dead ends: 1167 [2019-01-01 00:56:02,624 INFO L226 Difference]: Without dead ends: 1043 [2019-01-01 00:56:02,625 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 [2019-01-01 00:56:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-01-01 00:56:02,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2019-01-01 00:56:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2019-01-01 00:56:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2019-01-01 00:56:02,670 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2019-01-01 00:56:02,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:02,670 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2019-01-01 00:56:02,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:56:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2019-01-01 00:56:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-01 00:56:02,675 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:02,675 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, 1, 1, 1, 1] [2019-01-01 00:56:02,675 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:02,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:02,676 INFO L82 PathProgramCache]: Analyzing trace with hash 171977797, now seen corresponding path program 1 times [2019-01-01 00:56:02,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:02,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:02,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:02,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:02,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:02,837 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 00:56:02,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:02,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 00:56:02,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 00:56:02,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 00:56:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 00:56:02,838 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2019-01-01 00:56:03,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:03,090 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2019-01-01 00:56:03,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:03,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-01 00:56:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:03,098 INFO L225 Difference]: With dead ends: 819 [2019-01-01 00:56:03,100 INFO L226 Difference]: Without dead ends: 707 [2019-01-01 00:56:03,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:56:03,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-01-01 00:56:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2019-01-01 00:56:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2019-01-01 00:56:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2019-01-01 00:56:03,128 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2019-01-01 00:56:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:03,130 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2019-01-01 00:56:03,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 00:56:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2019-01-01 00:56:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:03,133 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:03,134 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, 1, 1, 1, 1, 1] [2019-01-01 00:56:03,134 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:03,135 INFO L82 PathProgramCache]: Analyzing trace with hash -438647425, now seen corresponding path program 1 times [2019-01-01 00:56:03,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:03,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:03,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:03,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:03,337 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 00:56:03,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:03,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:03,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:03,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:03,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:03,339 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 7 states. [2019-01-01 00:56:03,842 WARN L181 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 00:56:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:03,890 INFO L93 Difference]: Finished difference Result 1187 states and 3490 transitions. [2019-01-01 00:56:03,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:03,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-01-01 00:56:03,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:03,897 INFO L225 Difference]: With dead ends: 1187 [2019-01-01 00:56:03,899 INFO L226 Difference]: Without dead ends: 671 [2019-01-01 00:56:03,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:56:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-01-01 00:56:03,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2019-01-01 00:56:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-01-01 00:56:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1974 transitions. [2019-01-01 00:56:03,927 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1974 transitions. Word has length 32 [2019-01-01 00:56:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:03,929 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 1974 transitions. [2019-01-01 00:56:03,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1974 transitions. [2019-01-01 00:56:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:03,934 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:03,935 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, 1, 1, 1, 1, 1] [2019-01-01 00:56:03,935 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2071656967, now seen corresponding path program 2 times [2019-01-01 00:56:03,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:03,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:03,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:04,680 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 00:56:04,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:04,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-01 00:56:04,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 00:56:04,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 00:56:04,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-01 00:56:04,684 INFO L87 Difference]: Start difference. First operand 671 states and 1974 transitions. Second operand 10 states. [2019-01-01 00:56:05,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:05,305 INFO L93 Difference]: Finished difference Result 1439 states and 4342 transitions. [2019-01-01 00:56:05,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 00:56:05,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2019-01-01 00:56:05,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:05,316 INFO L225 Difference]: With dead ends: 1439 [2019-01-01 00:56:05,317 INFO L226 Difference]: Without dead ends: 555 [2019-01-01 00:56:05,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-01-01 00:56:05,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-01-01 00:56:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-01-01 00:56:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-01-01 00:56:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1670 transitions. [2019-01-01 00:56:05,335 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1670 transitions. Word has length 32 [2019-01-01 00:56:05,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:05,336 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 1670 transitions. [2019-01-01 00:56:05,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 00:56:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1670 transitions. [2019-01-01 00:56:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:05,339 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:05,339 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, 1, 1, 1, 1, 1] [2019-01-01 00:56:05,339 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:05,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash -947195911, now seen corresponding path program 3 times [2019-01-01 00:56:05,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:05,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:05,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:05,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 00:56:05,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:05,602 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 00:56:05,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:05,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 00:56:05,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 00:56:05,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 00:56:05,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 00:56:05,603 INFO L87 Difference]: Start difference. First operand 555 states and 1670 transitions. Second operand 6 states. [2019-01-01 00:56:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:05,710 INFO L93 Difference]: Finished difference Result 427 states and 1254 transitions. [2019-01-01 00:56:05,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:56:05,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-01 00:56:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:05,711 INFO L225 Difference]: With dead ends: 427 [2019-01-01 00:56:05,711 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:56:05,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:56:05,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:56:05,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:56:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:56:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:56:05,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-01-01 00:56:05,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:05,714 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:56:05,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 00:56:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:56:05,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:56:05,721 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:56:05,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:56:05 BasicIcfg [2019-01-01 00:56:05,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:56:05,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:56:05,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:56:05,724 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:56:05,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:00" (3/4) ... [2019-01-01 00:56:05,730 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:56:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:56:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:56:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-01 00:56:05,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-01 00:56:05,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:56:05,795 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:56:05,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:56:05,796 INFO L168 Benchmark]: Toolchain (without parser) took 6721.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 835.6 MB in the end (delta: 110.5 MB). Peak memory consumption was 249.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:05,797 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-01-01 00:56:05,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:05,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.27 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. [2019-01-01 00:56:05,800 INFO L168 Benchmark]: Boogie Preprocessor took 31.22 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. [2019-01-01 00:56:05,800 INFO L168 Benchmark]: RCFGBuilder took 567.04 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:05,802 INFO L168 Benchmark]: TraceAbstraction took 5153.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 835.6 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:05,803 INFO L168 Benchmark]: Witness Printer took 71.42 ms. Allocated memory is still 1.2 GB. Free memory is still 835.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:05,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 823.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.27 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 31.22 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 567.04 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5153.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 835.6 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.42 ms. Allocated memory is still 1.2 GB. Free memory is still 835.6 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 7 procedures, 70 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 337 SDtfs, 442 SDslu, 1120 SDs, 0 SdLazy, 182 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 15812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...