./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25edeb479cd81b292a858cdff90064bb36c839b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:57:03,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:57:03,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:57:03,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:57:03,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:57:03,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:57:03,694 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:57:03,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:57:03,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:57:03,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:57:03,705 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:57:03,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:57:03,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:57:03,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:57:03,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:57:03,717 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:57:03,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:57:03,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:57:03,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:57:03,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:57:03,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:57:03,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:57:03,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:57:03,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:57:03,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:57:03,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:57:03,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:57:03,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:57:03,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:57:03,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:57:03,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:57:03,753 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:57:03,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:57:03,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:57:03,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:57:03,756 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:57:03,756 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:57:03,771 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:57:03,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:57:03,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:57:03,773 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:57:03,773 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:57:03,773 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:57:03,773 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:57:03,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:57:03,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:57:03,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:57:03,776 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:57:03,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:57:03,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:57:03,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:57:03,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:57:03,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:57:03,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:57:03,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:57:03,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:57:03,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:57:03,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:57:03,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:57:03,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:57:03,779 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 -> 25edeb479cd81b292a858cdff90064bb36c839b1 [2019-01-01 00:57:03,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:57:03,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:57:03,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:57:03,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:57:03,852 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:57:03,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i [2019-01-01 00:57:03,920 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba32a9231/38147ab469034850acb6f75930eaba58/FLAGf951ef6b4 [2019-01-01 00:57:04,413 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:57:04,414 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i [2019-01-01 00:57:04,437 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba32a9231/38147ab469034850acb6f75930eaba58/FLAGf951ef6b4 [2019-01-01 00:57:04,712 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba32a9231/38147ab469034850acb6f75930eaba58 [2019-01-01 00:57:04,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:57:04,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:57:04,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:57:04,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:57:04,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:57:04,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:57:04" (1/1) ... [2019-01-01 00:57:04,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c752b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:04, skipping insertion in model container [2019-01-01 00:57:04,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:57:04" (1/1) ... [2019-01-01 00:57:04,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:57:04,798 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:57:05,299 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:57:05,322 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:57:05,473 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:57:05,559 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:57:05,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05 WrapperNode [2019-01-01 00:57:05,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:57:05,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:57:05,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:57:05,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:57:05,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:57:05,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:57:05,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:57:05,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:57:05,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (1/1) ... [2019-01-01 00:57:05,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:57:05,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:57:05,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:57:05,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:57:05,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (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 00:57:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:57:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:57:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:57:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:57:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:57:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:57:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:57:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:57:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-01 00:57:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-01 00:57:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:57:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:57:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:57:05,773 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 00:57:06,559 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:57:06,559 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:57:06,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:57:06 BoogieIcfgContainer [2019-01-01 00:57:06,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:57:06,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:57:06,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:57:06,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:57:06,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:57:04" (1/3) ... [2019-01-01 00:57:06,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130ec007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:57:06, skipping insertion in model container [2019-01-01 00:57:06,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:57:05" (2/3) ... [2019-01-01 00:57:06,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130ec007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:57:06, skipping insertion in model container [2019-01-01 00:57:06,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:57:06" (3/3) ... [2019-01-01 00:57:06,574 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt_true-unreach-call.i [2019-01-01 00:57:06,624 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,625 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,625 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,625 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,625 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,627 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,627 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,627 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,627 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,627 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,628 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,628 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,628 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,628 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,628 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,629 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,629 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,629 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,629 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,629 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:57:06,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:57:06,652 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:57:06,660 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:57:06,678 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:57:06,704 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:57:06,705 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:57:06,705 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:57:06,705 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:57:06,705 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:57:06,705 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:57:06,705 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:57:06,706 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:57:06,706 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:57:06,715 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2019-01-01 00:57:06,846 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2019-01-01 00:57:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2019-01-01 00:57:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 00:57:06,870 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:06,871 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 00:57:06,873 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:06,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:06,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1952890995, now seen corresponding path program 1 times [2019-01-01 00:57:06,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:06,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:06,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:06,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:57:06,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:07,280 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 00:57:07,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:07,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:57:07,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:57:07,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:57:07,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:57:07,306 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2019-01-01 00:57:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:07,496 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2019-01-01 00:57:07,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:57:07,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-01-01 00:57:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:07,534 INFO L225 Difference]: With dead ends: 2492 [2019-01-01 00:57:07,534 INFO L226 Difference]: Without dead ends: 1127 [2019-01-01 00:57:07,537 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 [2019-01-01 00:57:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2019-01-01 00:57:07,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2019-01-01 00:57:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-01-01 00:57:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2019-01-01 00:57:07,714 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2019-01-01 00:57:07,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:07,714 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2019-01-01 00:57:07,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:57:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2019-01-01 00:57:07,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-01 00:57:07,720 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:07,720 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 00:57:07,721 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:07,721 INFO L82 PathProgramCache]: Analyzing trace with hash 237831011, now seen corresponding path program 1 times [2019-01-01 00:57:07,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:07,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:07,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:07,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:57:07,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:07,896 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 00:57:07,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:07,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:57:07,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:57:07,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:57:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:57:07,900 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2019-01-01 00:57:08,238 WARN L181 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-01-01 00:57:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:08,431 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2019-01-01 00:57:08,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:57:08,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-01-01 00:57:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:08,446 INFO L225 Difference]: With dead ends: 1167 [2019-01-01 00:57:08,447 INFO L226 Difference]: Without dead ends: 1043 [2019-01-01 00:57:08,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:57:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-01-01 00:57:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2019-01-01 00:57:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2019-01-01 00:57:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2019-01-01 00:57:08,493 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2019-01-01 00:57:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:08,494 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2019-01-01 00:57:08,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:57:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2019-01-01 00:57:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-01 00:57:08,499 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:08,500 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 00:57:08,501 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:08,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:08,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1963848659, now seen corresponding path program 1 times [2019-01-01 00:57:08,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:08,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:08,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:08,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:57:08,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:08,840 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 00:57:08,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:08,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 00:57:08,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 00:57:08,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 00:57:08,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 00:57:08,843 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2019-01-01 00:57:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:09,087 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2019-01-01 00:57:09,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:57:09,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-01 00:57:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:09,095 INFO L225 Difference]: With dead ends: 819 [2019-01-01 00:57:09,095 INFO L226 Difference]: Without dead ends: 707 [2019-01-01 00:57:09,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:57:09,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-01-01 00:57:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2019-01-01 00:57:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2019-01-01 00:57:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2019-01-01 00:57:09,124 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2019-01-01 00:57:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:09,125 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2019-01-01 00:57:09,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 00:57:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2019-01-01 00:57:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:57:09,127 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:09,128 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 00:57:09,128 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:09,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:09,128 INFO L82 PathProgramCache]: Analyzing trace with hash 994118133, now seen corresponding path program 1 times [2019-01-01 00:57:09,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:09,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:09,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:09,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:57:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:09,507 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2019-01-01 00:57:09,722 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 00:57:09,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:09,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-01 00:57:09,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 00:57:09,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 00:57:09,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-01-01 00:57:09,724 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 10 states. [2019-01-01 00:57:10,393 WARN L181 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 00:57:10,753 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-01-01 00:57:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:10,805 INFO L93 Difference]: Finished difference Result 1107 states and 3290 transitions. [2019-01-01 00:57:10,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 00:57:10,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2019-01-01 00:57:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:10,814 INFO L225 Difference]: With dead ends: 1107 [2019-01-01 00:57:10,814 INFO L226 Difference]: Without dead ends: 591 [2019-01-01 00:57:10,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-01-01 00:57:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-01-01 00:57:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-01-01 00:57:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-01-01 00:57:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1754 transitions. [2019-01-01 00:57:10,840 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1754 transitions. Word has length 32 [2019-01-01 00:57:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:10,843 INFO L480 AbstractCegarLoop]: Abstraction has 591 states and 1754 transitions. [2019-01-01 00:57:10,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 00:57:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1754 transitions. [2019-01-01 00:57:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:57:10,846 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:10,848 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 00:57:10,849 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:10,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:10,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1831555919, now seen corresponding path program 2 times [2019-01-01 00:57:10,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:10,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:10,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:10,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:57:10,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:11,288 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 00:57:11,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:11,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:57:11,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:57:11,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:57:11,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:57:11,290 INFO L87 Difference]: Start difference. First operand 591 states and 1754 transitions. Second operand 7 states. [2019-01-01 00:57:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:11,473 INFO L93 Difference]: Finished difference Result 975 states and 2938 transitions. [2019-01-01 00:57:11,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:57:11,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-01-01 00:57:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:11,483 INFO L225 Difference]: With dead ends: 975 [2019-01-01 00:57:11,483 INFO L226 Difference]: Without dead ends: 555 [2019-01-01 00:57:11,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-01-01 00:57:11,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-01-01 00:57:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-01-01 00:57:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-01-01 00:57:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1670 transitions. [2019-01-01 00:57:11,502 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1670 transitions. Word has length 32 [2019-01-01 00:57:11,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:11,503 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 1670 transitions. [2019-01-01 00:57:11,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:57:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1670 transitions. [2019-01-01 00:57:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:57:11,505 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:57:11,506 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 00:57:11,506 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:57:11,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:57:11,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2073035831, now seen corresponding path program 3 times [2019-01-01 00:57:11,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:57:11,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:57:11,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:11,511 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 00:57:11,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:57:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:57:11,828 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 00:57:11,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:57:11,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-01 00:57:11,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-01 00:57:11,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-01 00:57:11,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:57:11,830 INFO L87 Difference]: Start difference. First operand 555 states and 1670 transitions. Second operand 11 states. [2019-01-01 00:57:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:57:12,073 INFO L93 Difference]: Finished difference Result 427 states and 1254 transitions. [2019-01-01 00:57:12,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 00:57:12,073 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-01-01 00:57:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:57:12,074 INFO L225 Difference]: With dead ends: 427 [2019-01-01 00:57:12,074 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:57:12,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2019-01-01 00:57:12,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:57:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:57:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:57:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:57:12,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-01-01 00:57:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:57:12,076 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:57:12,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-01 00:57:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:57:12,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:57:12,080 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:57:12,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:57:12 BasicIcfg [2019-01-01 00:57:12,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:57:12,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:57:12,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:57:12,083 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:57:12,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:57:06" (3/4) ... [2019-01-01 00:57:12,088 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:57:12,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:57:12,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:57:12,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-01 00:57:12,102 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-01 00:57:12,102 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:57:12,157 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:57:12,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:57:12,159 INFO L168 Benchmark]: Toolchain (without parser) took 7442.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.3 MB in the beginning and 813.7 MB in the end (delta: 133.7 MB). Peak memory consumption was 264.2 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,160 INFO L168 Benchmark]: CDTParser took 0.42 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 00:57:12,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.37 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 00:57:12,162 INFO L168 Benchmark]: Boogie Preprocessor took 47.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,162 INFO L168 Benchmark]: RCFGBuilder took 879.30 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,163 INFO L168 Benchmark]: TraceAbstraction took 5520.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 820.4 MB in the end (delta: 258.5 MB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,164 INFO L168 Benchmark]: Witness Printer took 75.14 ms. Allocated memory is still 1.2 GB. Free memory was 820.4 MB in the beginning and 813.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:57:12,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 842.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.37 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 47.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 879.30 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5520.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 820.4 MB in the end (delta: 258.5 MB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.14 ms. Allocated memory is still 1.2 GB. Free memory was 820.4 MB in the beginning and 813.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 367 SDtfs, 458 SDslu, 1387 SDs, 0 SdLazy, 246 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.7s 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, 1.9s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 19346 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...