./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe029_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/safe029_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 b6ca9e7d38e2bd3e72182441622f2fd7e5b254e2 ......................................................................................................................................................................................................................................................................................................................................................................................... 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 05:51:17,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 05:51:17,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 05:51:17,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 05:51:17,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 05:51:17,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 05:51:17,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 05:51:17,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 05:51:17,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 05:51:17,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 05:51:17,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 05:51:17,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 05:51:17,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 05:51:17,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 05:51:17,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 05:51:17,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 05:51:17,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 05:51:17,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 05:51:17,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 05:51:17,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 05:51:17,813 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 05:51:17,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 05:51:17,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 05:51:17,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 05:51:17,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 05:51:17,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 05:51:17,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 05:51:17,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 05:51:17,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 05:51:17,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 05:51:17,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 05:51:17,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 05:51:17,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 05:51:17,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 05:51:17,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 05:51:17,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 05:51:17,833 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-13 05:51:17,849 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 05:51:17,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 05:51:17,850 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 05:51:17,850 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 05:51:17,851 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 05:51:17,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 05:51:17,851 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 05:51:17,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 05:51:17,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 05:51:17,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 05:51:17,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-13 05:51:17,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 05:51:17,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-13 05:51:17,852 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 05:51:17,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-13 05:51:17,853 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 05:51:17,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-13 05:51:17,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 05:51:17,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 05:51:17,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 05:51:17,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 05:51:17,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 05:51:17,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 05:51:17,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 05:51:17,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-13 05:51:17,854 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 05:51:17,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 05:51:17,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-13 05:51:17,855 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 -> b6ca9e7d38e2bd3e72182441622f2fd7e5b254e2 [2019-01-13 05:51:17,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 05:51:17,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 05:51:17,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 05:51:17,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 05:51:17,908 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 05:51:17,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe029_tso.oepc_true-unreach-call.i [2019-01-13 05:51:17,970 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48690af1/cba96ddd06314382bfa07bb0cc8d4d6e/FLAG35ba8cb34 [2019-01-13 05:51:18,534 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 05:51:18,535 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe029_tso.oepc_true-unreach-call.i [2019-01-13 05:51:18,559 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48690af1/cba96ddd06314382bfa07bb0cc8d4d6e/FLAG35ba8cb34 [2019-01-13 05:51:18,783 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48690af1/cba96ddd06314382bfa07bb0cc8d4d6e [2019-01-13 05:51:18,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 05:51:18,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-13 05:51:18,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 05:51:18,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 05:51:18,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 05:51:18,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:51:18" (1/1) ... [2019-01-13 05:51:18,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a0757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:18, skipping insertion in model container [2019-01-13 05:51:18,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:51:18" (1/1) ... [2019-01-13 05:51:18,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 05:51:18,857 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 05:51:19,275 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:51:19,288 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 05:51:19,444 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:51:19,523 INFO L195 MainTranslator]: Completed translation [2019-01-13 05:51:19,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19 WrapperNode [2019-01-13 05:51:19,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 05:51:19,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-13 05:51:19,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-13 05:51:19,525 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-13 05:51:19,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-13 05:51:19,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 05:51:19,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 05:51:19,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 05:51:19,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (1/1) ... [2019-01-13 05:51:19,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 05:51:19,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 05:51:19,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 05:51:19,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 05:51:19,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (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 05:51:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 05:51:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-13 05:51:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 05:51:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 05:51:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-13 05:51:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-13 05:51:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-13 05:51:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-13 05:51:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-13 05:51:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 05:51:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 05:51:19,666 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 05:51:20,092 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 05:51:20,092 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-13 05:51:20,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:20 BoogieIcfgContainer [2019-01-13 05:51:20,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 05:51:20,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 05:51:20,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 05:51:20,098 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 05:51:20,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 05:51:18" (1/3) ... [2019-01-13 05:51:20,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df4ce7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:51:20, skipping insertion in model container [2019-01-13 05:51:20,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:19" (2/3) ... [2019-01-13 05:51:20,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df4ce7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:51:20, skipping insertion in model container [2019-01-13 05:51:20,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:20" (3/3) ... [2019-01-13 05:51:20,102 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc_true-unreach-call.i [2019-01-13 05:51:20,139 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,140 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,140 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,140 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,140 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,141 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,141 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,143 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,143 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,143 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,143 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,143 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,144 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,144 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,144 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,144 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,144 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:20,154 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-13 05:51:20,155 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 05:51:20,164 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-13 05:51:20,181 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-13 05:51:20,207 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 05:51:20,207 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 05:51:20,207 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-13 05:51:20,208 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 05:51:20,208 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 05:51:20,208 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 05:51:20,208 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 05:51:20,208 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 05:51:20,208 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 05:51:20,218 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42places, 40 transitions [2019-01-13 05:51:20,258 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 432 states. [2019-01-13 05:51:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states. [2019-01-13 05:51:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 05:51:20,274 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:20,275 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] [2019-01-13 05:51:20,278 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:20,284 INFO L82 PathProgramCache]: Analyzing trace with hash 225777697, now seen corresponding path program 1 times [2019-01-13 05:51:20,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:20,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:20,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:20,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:20,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:20,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:20,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 05:51:20,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 05:51:20,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 05:51:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 05:51:20,628 INFO L87 Difference]: Start difference. First operand 432 states. Second operand 4 states. [2019-01-13 05:51:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:20,884 INFO L93 Difference]: Finished difference Result 442 states and 1059 transitions. [2019-01-13 05:51:20,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 05:51:20,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-01-13 05:51:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:20,901 INFO L225 Difference]: With dead ends: 442 [2019-01-13 05:51:20,901 INFO L226 Difference]: Without dead ends: 225 [2019-01-13 05:51:20,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:51:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-01-13 05:51:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-01-13 05:51:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-01-13 05:51:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 522 transitions. [2019-01-13 05:51:20,971 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 522 transitions. Word has length 23 [2019-01-13 05:51:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:20,972 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 522 transitions. [2019-01-13 05:51:20,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 05:51:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 522 transitions. [2019-01-13 05:51:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 05:51:20,975 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:20,975 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:20,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:20,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1052719777, now seen corresponding path program 1 times [2019-01-13 05:51:20,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:20,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:20,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:20,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:20,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:21,102 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 05:51:21,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:21,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 05:51:21,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 05:51:21,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 05:51:21,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:51:21,107 INFO L87 Difference]: Start difference. First operand 225 states and 522 transitions. Second operand 5 states. [2019-01-13 05:51:21,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:21,379 INFO L93 Difference]: Finished difference Result 193 states and 414 transitions. [2019-01-13 05:51:21,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 05:51:21,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 05:51:21,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:21,382 INFO L225 Difference]: With dead ends: 193 [2019-01-13 05:51:21,383 INFO L226 Difference]: Without dead ends: 169 [2019-01-13 05:51:21,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:51:21,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-01-13 05:51:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-01-13 05:51:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-01-13 05:51:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 368 transitions. [2019-01-13 05:51:21,398 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 368 transitions. Word has length 24 [2019-01-13 05:51:21,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:21,399 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 368 transitions. [2019-01-13 05:51:21,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 05:51:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 368 transitions. [2019-01-13 05:51:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 05:51:21,402 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:21,402 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:21,403 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:21,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1202471141, now seen corresponding path program 1 times [2019-01-13 05:51:21,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:21,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:21,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:21,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:21,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:21,706 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 05:51:21,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:21,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 05:51:21,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 05:51:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 05:51:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-13 05:51:21,708 INFO L87 Difference]: Start difference. First operand 169 states and 368 transitions. Second operand 9 states. [2019-01-13 05:51:22,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:22,064 INFO L93 Difference]: Finished difference Result 265 states and 592 transitions. [2019-01-13 05:51:22,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 05:51:22,066 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-01-13 05:51:22,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:22,067 INFO L225 Difference]: With dead ends: 265 [2019-01-13 05:51:22,067 INFO L226 Difference]: Without dead ends: 149 [2019-01-13 05:51:22,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-01-13 05:51:22,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-01-13 05:51:22,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-01-13 05:51:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-01-13 05:51:22,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 328 transitions. [2019-01-13 05:51:22,078 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 328 transitions. Word has length 25 [2019-01-13 05:51:22,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:22,079 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 328 transitions. [2019-01-13 05:51:22,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 05:51:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 328 transitions. [2019-01-13 05:51:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 05:51:22,081 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:22,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:22,081 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:22,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash -6935323, now seen corresponding path program 2 times [2019-01-13 05:51:22,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:22,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:22,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:22,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:22,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:22,456 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-01-13 05:51:22,706 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 05:51:22,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:22,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 05:51:22,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 05:51:22,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 05:51:22,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-13 05:51:22,707 INFO L87 Difference]: Start difference. First operand 149 states and 328 transitions. Second operand 9 states. [2019-01-13 05:51:22,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:22,884 INFO L93 Difference]: Finished difference Result 117 states and 248 transitions. [2019-01-13 05:51:22,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 05:51:22,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-01-13 05:51:22,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:22,885 INFO L225 Difference]: With dead ends: 117 [2019-01-13 05:51:22,885 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 05:51:22,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-01-13 05:51:22,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 05:51:22,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 05:51:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 05:51:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 05:51:22,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-01-13 05:51:22,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:22,887 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 05:51:22,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 05:51:22,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 05:51:22,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 05:51:22,890 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-13 05:51:22,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 05:51:22 BasicIcfg [2019-01-13 05:51:22,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 05:51:22,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 05:51:22,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 05:51:22,894 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 05:51:22,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:20" (3/4) ... [2019-01-13 05:51:22,898 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 05:51:22,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-13 05:51:22,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-13 05:51:22,911 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-13 05:51:22,912 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-13 05:51:22,963 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 05:51:22,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 05:51:22,964 INFO L168 Benchmark]: Toolchain (without parser) took 4176.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.3 MB in the beginning and 955.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 115.8 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,966 INFO L168 Benchmark]: CDTParser took 0.17 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 05:51:22,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.95 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 05:51:22,968 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,968 INFO L168 Benchmark]: RCFGBuilder took 490.68 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,969 INFO L168 Benchmark]: TraceAbstraction took 2798.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.6 MB in the end (delta: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,970 INFO L168 Benchmark]: Witness Printer took 70.16 ms. Allocated memory is still 1.2 GB. Free memory was 962.6 MB in the beginning and 955.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:22,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 733.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.95 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 27.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.68 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2798.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.6 MB in the end (delta: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.16 ms. Allocated memory is still 1.2 GB. Free memory was 962.6 MB in the beginning and 955.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 161 SDtfs, 163 SDslu, 529 SDs, 0 SdLazy, 110 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred 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, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 7353 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...