./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a487c8eb540e469d1c4ca66a04c4c198cd79c81 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 05:49:01,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 05:49:01,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 05:49:01,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 05:49:01,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 05:49:01,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 05:49:01,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 05:49:01,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 05:49:01,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 05:49:01,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 05:49:01,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 05:49:01,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 05:49:01,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 05:49:01,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 05:49:01,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 05:49:01,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 05:49:01,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 05:49:01,828 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 05:49:01,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 05:49:01,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 05:49:01,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 05:49:01,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 05:49:01,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 05:49:01,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 05:49:01,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 05:49:01,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 05:49:01,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 05:49:01,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 05:49:01,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 05:49:01,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 05:49:01,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 05:49:01,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 05:49:01,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 05:49:01,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 05:49:01,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 05:49:01,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 05:49:01,848 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-13 05:49:01,877 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 05:49:01,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 05:49:01,879 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 05:49:01,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 05:49:01,879 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 05:49:01,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 05:49:01,883 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 05:49:01,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-13 05:49:01,885 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 05:49:01,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-13 05:49:01,886 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 05:49:01,886 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-13 05:49:01,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 05:49:01,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 05:49:01,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 05:49:01,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 05:49:01,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 05:49:01,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 05:49:01,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 05:49:01,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-13 05:49:01,890 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 05:49:01,891 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 05:49:01,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-13 05:49:01,891 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a487c8eb540e469d1c4ca66a04c4c198cd79c81 [2019-01-13 05:49:01,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 05:49:01,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 05:49:01,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 05:49:01,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 05:49:01,985 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 05:49:01,986 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i [2019-01-13 05:49:02,041 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f25d270/37c210f9c6404db2849b2220c0bdeee3/FLAG971e9e461 [2019-01-13 05:49:02,631 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 05:49:02,632 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe001_tso.oepc_true-unreach-call.i [2019-01-13 05:49:02,647 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f25d270/37c210f9c6404db2849b2220c0bdeee3/FLAG971e9e461 [2019-01-13 05:49:02,868 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f25d270/37c210f9c6404db2849b2220c0bdeee3 [2019-01-13 05:49:02,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 05:49:02,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-13 05:49:02,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 05:49:02,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 05:49:02,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 05:49:02,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:49:02" (1/1) ... [2019-01-13 05:49:02,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:02, skipping insertion in model container [2019-01-13 05:49:02,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:49:02" (1/1) ... [2019-01-13 05:49:02,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 05:49:02,946 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 05:49:03,360 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:49:03,384 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 05:49:03,512 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:49:03,604 INFO L195 MainTranslator]: Completed translation [2019-01-13 05:49:03,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03 WrapperNode [2019-01-13 05:49:03,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 05:49:03,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-13 05:49:03,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-13 05:49:03,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-13 05:49:03,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-13 05:49:03,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 05:49:03,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 05:49:03,663 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 05:49:03,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... [2019-01-13 05:49:03,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 05:49:03,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 05:49:03,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 05:49:03,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 05:49:03,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 05:49:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 05:49:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-13 05:49:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 05:49:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 05:49:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-13 05:49:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-13 05:49:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-13 05:49:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-13 05:49:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-13 05:49:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-13 05:49:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-13 05:49:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 05:49:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 05:49:03,766 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-13 05:49:04,238 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 05:49:04,239 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-13 05:49:04,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:04 BoogieIcfgContainer [2019-01-13 05:49:04,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 05:49:04,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 05:49:04,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 05:49:04,245 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 05:49:04,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 05:49:02" (1/3) ... [2019-01-13 05:49:04,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4530b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:49:04, skipping insertion in model container [2019-01-13 05:49:04,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:49:03" (2/3) ... [2019-01-13 05:49:04,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4530b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:49:04, skipping insertion in model container [2019-01-13 05:49:04,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:04" (3/3) ... [2019-01-13 05:49:04,249 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc_true-unreach-call.i [2019-01-13 05:49:04,285 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,285 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,285 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,285 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,286 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,286 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,286 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,287 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,287 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,288 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,288 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,288 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,288 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,289 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,289 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,289 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,289 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,289 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,290 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,290 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,290 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,290 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,291 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,291 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,291 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,291 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,292 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,295 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,295 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,296 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:49:04,332 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-13 05:49:04,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 05:49:04,341 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-13 05:49:04,358 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-13 05:49:04,386 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 05:49:04,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 05:49:04,387 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-13 05:49:04,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 05:49:04,387 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 05:49:04,387 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 05:49:04,387 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 05:49:04,387 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 05:49:04,387 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 05:49:04,398 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2019-01-13 05:49:04,517 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2019-01-13 05:49:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2019-01-13 05:49:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 05:49:04,540 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:04,541 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] [2019-01-13 05:49:04,544 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:04,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:04,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1523724345, now seen corresponding path program 1 times [2019-01-13 05:49:04,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:04,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:04,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:04,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:04,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:05,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:05,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 05:49:05,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 05:49:05,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 05:49:05,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 05:49:05,041 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2019-01-13 05:49:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:05,372 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2019-01-13 05:49:05,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 05:49:05,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-01-13 05:49:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:05,409 INFO L225 Difference]: With dead ends: 2492 [2019-01-13 05:49:05,409 INFO L226 Difference]: Without dead ends: 1127 [2019-01-13 05:49:05,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:49:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2019-01-13 05:49:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2019-01-13 05:49:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-01-13 05:49:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2019-01-13 05:49:05,567 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2019-01-13 05:49:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:05,569 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2019-01-13 05:49:05,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 05:49:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2019-01-13 05:49:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-13 05:49:05,578 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:05,578 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] [2019-01-13 05:49:05,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:05,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1285499803, now seen corresponding path program 1 times [2019-01-13 05:49:05,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:05,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:05,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:05,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:05,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:05,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:05,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 05:49:05,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 05:49:05,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 05:49:05,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:49:05,873 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2019-01-13 05:49:06,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:06,292 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2019-01-13 05:49:06,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 05:49:06,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-01-13 05:49:06,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:06,306 INFO L225 Difference]: With dead ends: 1167 [2019-01-13 05:49:06,306 INFO L226 Difference]: Without dead ends: 1043 [2019-01-13 05:49:06,308 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 [2019-01-13 05:49:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-01-13 05:49:06,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2019-01-13 05:49:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2019-01-13 05:49:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2019-01-13 05:49:06,358 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2019-01-13 05:49:06,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:06,359 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2019-01-13 05:49:06,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 05:49:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2019-01-13 05:49:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-13 05:49:06,363 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:06,363 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] [2019-01-13 05:49:06,363 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:06,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash 171977797, now seen corresponding path program 1 times [2019-01-13 05:49:06,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:06,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:06,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:06,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:06,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:06,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:06,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 05:49:06,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 05:49:06,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 05:49:06,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 05:49:06,565 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2019-01-13 05:49:06,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:06,704 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2019-01-13 05:49:06,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 05:49:06,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-13 05:49:06,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:06,712 INFO L225 Difference]: With dead ends: 819 [2019-01-13 05:49:06,712 INFO L226 Difference]: Without dead ends: 707 [2019-01-13 05:49:06,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-13 05:49:06,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-01-13 05:49:06,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2019-01-13 05:49:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2019-01-13 05:49:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2019-01-13 05:49:06,740 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2019-01-13 05:49:06,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:06,740 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2019-01-13 05:49:06,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 05:49:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2019-01-13 05:49:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 05:49:06,743 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:06,744 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] [2019-01-13 05:49:06,744 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:06,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:06,745 INFO L82 PathProgramCache]: Analyzing trace with hash -438647425, now seen corresponding path program 1 times [2019-01-13 05:49:06,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:06,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:06,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:06,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:06,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:06,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:06,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 05:49:06,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 05:49:06,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 05:49:06,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:49:06,979 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 7 states. [2019-01-13 05:49:07,365 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-13 05:49:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:07,418 INFO L93 Difference]: Finished difference Result 1187 states and 3490 transitions. [2019-01-13 05:49:07,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 05:49:07,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-01-13 05:49:07,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:07,426 INFO L225 Difference]: With dead ends: 1187 [2019-01-13 05:49:07,428 INFO L226 Difference]: Without dead ends: 671 [2019-01-13 05:49:07,429 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 [2019-01-13 05:49:07,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-01-13 05:49:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2019-01-13 05:49:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-01-13 05:49:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1974 transitions. [2019-01-13 05:49:07,457 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1974 transitions. Word has length 32 [2019-01-13 05:49:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:07,458 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 1974 transitions. [2019-01-13 05:49:07,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 05:49:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1974 transitions. [2019-01-13 05:49:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 05:49:07,462 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:07,463 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] [2019-01-13 05:49:07,463 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:07,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:07,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2071656967, now seen corresponding path program 2 times [2019-01-13 05:49:07,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:07,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:07,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:07,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:49:07,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:07,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:07,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 05:49:07,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 05:49:07,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 05:49:07,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-13 05:49:07,895 INFO L87 Difference]: Start difference. First operand 671 states and 1974 transitions. Second operand 10 states. [2019-01-13 05:49:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:08,442 INFO L93 Difference]: Finished difference Result 1439 states and 4342 transitions. [2019-01-13 05:49:08,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 05:49:08,443 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2019-01-13 05:49:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:08,449 INFO L225 Difference]: With dead ends: 1439 [2019-01-13 05:49:08,449 INFO L226 Difference]: Without dead ends: 555 [2019-01-13 05:49:08,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-01-13 05:49:08,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-01-13 05:49:08,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-01-13 05:49:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-01-13 05:49:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1670 transitions. [2019-01-13 05:49:08,466 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1670 transitions. Word has length 32 [2019-01-13 05:49:08,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:08,467 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 1670 transitions. [2019-01-13 05:49:08,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 05:49:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1670 transitions. [2019-01-13 05:49:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 05:49:08,470 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:49:08,470 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] [2019-01-13 05:49:08,470 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:49:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:49:08,471 INFO L82 PathProgramCache]: Analyzing trace with hash -947195911, now seen corresponding path program 3 times [2019-01-13 05:49:08,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:49:08,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:49:08,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:08,475 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 05:49:08,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:49:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:49:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:49:08,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:49:08,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 05:49:08,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 05:49:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 05:49:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 05:49:08,596 INFO L87 Difference]: Start difference. First operand 555 states and 1670 transitions. Second operand 6 states. [2019-01-13 05:49:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:49:08,715 INFO L93 Difference]: Finished difference Result 427 states and 1254 transitions. [2019-01-13 05:49:08,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 05:49:08,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-13 05:49:08,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:49:08,716 INFO L225 Difference]: With dead ends: 427 [2019-01-13 05:49:08,716 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 05:49:08,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-13 05:49:08,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 05:49:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 05:49:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 05:49:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 05:49:08,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-01-13 05:49:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:49:08,718 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 05:49:08,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 05:49:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 05:49:08,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 05:49:08,721 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-13 05:49:08,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 05:49:08 BasicIcfg [2019-01-13 05:49:08,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 05:49:08,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 05:49:08,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 05:49:08,724 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 05:49:08,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:49:04" (3/4) ... [2019-01-13 05:49:08,728 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 05:49:08,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-13 05:49:08,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-13 05:49:08,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-13 05:49:08,741 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-13 05:49:08,742 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-13 05:49:08,790 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 05:49:08,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 05:49:08,791 INFO L168 Benchmark]: Toolchain (without parser) took 5918.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.6 MB in the beginning and 834.2 MB in the end (delta: 110.5 MB). Peak memory consumption was 240.5 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:08,792 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:49:08,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:08,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:49:08,794 INFO L168 Benchmark]: Boogie Preprocessor took 28.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:08,795 INFO L168 Benchmark]: RCFGBuilder took 547.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:08,796 INFO L168 Benchmark]: TraceAbstraction took 4482.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.2 MB in the end (delta: 243.9 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. [2019-01-13 05:49:08,797 INFO L168 Benchmark]: Witness Printer took 66.92 ms. Allocated memory is still 1.2 GB. Free memory is still 834.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:49:08,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 731.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.71 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 28.77 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 547.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4482.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.2 MB in the end (delta: 243.9 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.92 ms. Allocated memory is still 1.2 GB. Free memory is still 834.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 337 SDtfs, 442 SDslu, 1120 SDs, 0 SdLazy, 182 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s 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, 1.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 15812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...