./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe006_pso.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/safe006_pso.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 b446361ea709970300acec10f1a12d74f65c0064 .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 00:56:18,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:56:18,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:56:18,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:56:18,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:56:18,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:56:18,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:56:18,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:56:18,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:56:18,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:56:18,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:56:18,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:56:18,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:56:18,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:56:18,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:56:18,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:56:18,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:56:18,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:56:18,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:56:18,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:56:18,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:56:18,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:56:18,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:56:18,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:56:18,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:56:18,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:56:18,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:56:18,824 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:56:18,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:56:18,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:56:18,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:56:18,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:56:18,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:56:18,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:56:18,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:56:18,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:56:18,830 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:56:18,846 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:56:18,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:56:18,847 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:56:18,847 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:56:18,847 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:56:18,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:56:18,848 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:56:18,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:56:18,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:56:18,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:56:18,849 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:56:18,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:56:18,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:56:18,850 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:56:18,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:56:18,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:56:18,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:56:18,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:56:18,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:56:18,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:56:18,851 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:56:18,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:56:18,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:56:18,852 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 -> b446361ea709970300acec10f1a12d74f65c0064 [2019-01-01 00:56:18,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:56:18,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:56:18,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:56:18,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:56:18,951 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:56:18,953 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe006_pso.oepc_true-unreach-call.i [2019-01-01 00:56:19,025 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6f7f0a4/f67a0c317d21493c852fba3745ee9f6a/FLAG85a27a217 [2019-01-01 00:56:19,619 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:56:19,620 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe006_pso.oepc_true-unreach-call.i [2019-01-01 00:56:19,642 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6f7f0a4/f67a0c317d21493c852fba3745ee9f6a/FLAG85a27a217 [2019-01-01 00:56:19,827 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6f7f0a4/f67a0c317d21493c852fba3745ee9f6a [2019-01-01 00:56:19,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:56:19,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:56:19,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:19,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:56:19,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:56:19,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:19" (1/1) ... [2019-01-01 00:56:19,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11793065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:19, skipping insertion in model container [2019-01-01 00:56:19,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:19" (1/1) ... [2019-01-01 00:56:19,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:56:19,915 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:56:20,411 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:20,431 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:56:20,605 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:20,679 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:56:20,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20 WrapperNode [2019-01-01 00:56:20,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:20,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:20,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:56:20,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:56:20,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:20,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:56:20,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:56:20,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:56:20,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (1/1) ... [2019-01-01 00:56:20,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:56:20,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:56:20,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:56:20,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:56:20,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (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 00:56:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:56:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:56:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:56:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:56:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:56:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:56:20,849 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 00:56:21,318 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:56:21,319 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:56:21,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:21 BoogieIcfgContainer [2019-01-01 00:56:21,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:56:21,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:56:21,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:56:21,326 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:56:21,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:56:19" (1/3) ... [2019-01-01 00:56:21,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd5dcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:21, skipping insertion in model container [2019-01-01 00:56:21,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:20" (2/3) ... [2019-01-01 00:56:21,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd5dcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:21, skipping insertion in model container [2019-01-01 00:56:21,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:21" (3/3) ... [2019-01-01 00:56:21,331 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc_true-unreach-call.i [2019-01-01 00:56:21,366 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,367 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,367 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,367 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,367 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,370 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,371 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,371 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,371 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,371 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,371 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:21,393 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:56:21,393 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:56:21,402 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:56:21,420 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:56:21,443 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:56:21,444 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:56:21,444 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:56:21,444 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:56:21,444 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:56:21,445 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:56:21,445 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:56:21,445 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:56:21,445 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:56:21,455 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44places, 42 transitions [2019-01-01 00:56:21,495 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 434 states. [2019-01-01 00:56:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states. [2019-01-01 00:56:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 00:56:21,511 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:21,512 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:56:21,514 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:21,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1986495071, now seen corresponding path program 1 times [2019-01-01 00:56:21,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:21,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:21,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:21,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:21,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:21,845 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 00:56:21,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:21,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:56:21,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:56:21,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:56:21,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:56:21,874 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 4 states. [2019-01-01 00:56:22,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:22,043 INFO L93 Difference]: Finished difference Result 444 states and 1061 transitions. [2019-01-01 00:56:22,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:56:22,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 00:56:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:22,062 INFO L225 Difference]: With dead ends: 444 [2019-01-01 00:56:22,062 INFO L226 Difference]: Without dead ends: 227 [2019-01-01 00:56:22,064 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 00:56:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-01-01 00:56:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2019-01-01 00:56:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-01-01 00:56:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 524 transitions. [2019-01-01 00:56:22,139 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 524 transitions. Word has length 25 [2019-01-01 00:56:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:22,140 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 524 transitions. [2019-01-01 00:56:22,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:56:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 524 transitions. [2019-01-01 00:56:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-01 00:56:22,142 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:22,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:56:22,143 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:22,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2009742139, now seen corresponding path program 1 times [2019-01-01 00:56:22,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:22,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:22,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:22,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:22,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:22,333 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 00:56:22,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:22,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:56:22,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:56:22,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:56:22,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:56:22,337 INFO L87 Difference]: Start difference. First operand 227 states and 524 transitions. Second operand 5 states. [2019-01-01 00:56:22,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:22,594 INFO L93 Difference]: Finished difference Result 195 states and 416 transitions. [2019-01-01 00:56:22,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:56:22,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-01 00:56:22,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:22,598 INFO L225 Difference]: With dead ends: 195 [2019-01-01 00:56:22,599 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 00:56:22,601 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 00:56:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 00:56:22,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-01-01 00:56:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 00:56:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 370 transitions. [2019-01-01 00:56:22,628 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 370 transitions. Word has length 26 [2019-01-01 00:56:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:22,629 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 370 transitions. [2019-01-01 00:56:22,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:56:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 370 transitions. [2019-01-01 00:56:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:56:22,637 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:22,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:56:22,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:22,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:22,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1111707995, now seen corresponding path program 1 times [2019-01-01 00:56:22,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:22,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:22,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:22,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:22,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:22,842 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 00:56:22,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:22,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:22,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:22,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:22,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:22,844 INFO L87 Difference]: Start difference. First operand 171 states and 370 transitions. Second operand 7 states. [2019-01-01 00:56:23,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:23,109 INFO L93 Difference]: Finished difference Result 267 states and 594 transitions. [2019-01-01 00:56:23,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:23,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:56:23,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:23,113 INFO L225 Difference]: With dead ends: 267 [2019-01-01 00:56:23,113 INFO L226 Difference]: Without dead ends: 167 [2019-01-01 00:56:23,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:56:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-01-01 00:56:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-01-01 00:56:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-01 00:56:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 362 transitions. [2019-01-01 00:56:23,124 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 362 transitions. Word has length 27 [2019-01-01 00:56:23,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:23,125 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 362 transitions. [2019-01-01 00:56:23,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 362 transitions. [2019-01-01 00:56:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:56:23,127 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:23,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:56:23,127 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:23,128 INFO L82 PathProgramCache]: Analyzing trace with hash 204449309, now seen corresponding path program 2 times [2019-01-01 00:56:23,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:23,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:23,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:23,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:23,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:23,297 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 00:56:23,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:23,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:23,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:23,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:23,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:23,299 INFO L87 Difference]: Start difference. First operand 167 states and 362 transitions. Second operand 7 states. [2019-01-01 00:56:23,769 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 00:56:23,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:23,772 INFO L93 Difference]: Finished difference Result 135 states and 282 transitions. [2019-01-01 00:56:23,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:23,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:56:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:23,774 INFO L225 Difference]: With dead ends: 135 [2019-01-01 00:56:23,774 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:56:23,774 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 00:56:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:56:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:56:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:56:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:56:23,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-01-01 00:56:23,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:23,776 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:56:23,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:56:23,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:56:23,783 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:56:23,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:56:23 BasicIcfg [2019-01-01 00:56:23,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:56:23,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:56:23,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:56:23,788 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:56:23,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:21" (3/4) ... [2019-01-01 00:56:23,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:56:23,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:56:23,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:56:23,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-01 00:56:23,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:56:23,881 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:56:23,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:56:23,882 INFO L168 Benchmark]: Toolchain (without parser) took 4050.38 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 988.0 MB in the end (delta: -42.0 MB). Peak memory consumption was 96.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:23,884 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:23,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.09 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: -167.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:23,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.31 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 00:56:23,886 INFO L168 Benchmark]: Boogie Preprocessor took 29.52 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 00:56:23,889 INFO L168 Benchmark]: RCFGBuilder took 551.18 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:23,890 INFO L168 Benchmark]: TraceAbstraction took 2464.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 94.0 MB). Peak memory consumption was 94.0 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:23,891 INFO L168 Benchmark]: Witness Printer took 94.72 ms. Allocated memory is still 1.2 GB. Free memory was 994.7 MB in the beginning and 988.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:23,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 846.09 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: -167.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.31 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 29.52 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 551.18 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2464.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 94.0 MB). Peak memory consumption was 94.0 MB. Max. memory is 11.5 GB. * Witness Printer took 94.72 ms. Allocated memory is still 1.2 GB. Free memory was 994.7 MB in the beginning and 988.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 160 SDtfs, 184 SDslu, 390 SDs, 0 SdLazy, 60 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 7025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...