./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread/sigma_false-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 574df94a903166a1b27be7d989c6ac88f507ceb5 ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/sigma_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 574df94a903166a1b27be7d989c6ac88f507ceb5 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 17:22:59,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:22:59,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:22:59,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:22:59,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:22:59,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:22:59,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:22:59,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:22:59,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:22:59,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:22:59,102 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:22:59,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:22:59,103 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:22:59,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:22:59,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:22:59,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:22:59,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:22:59,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:22:59,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:22:59,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:22:59,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:22:59,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:22:59,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:22:59,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:22:59,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:22:59,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:22:59,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:22:59,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:22:59,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:22:59,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:22:59,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:22:59,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:22:59,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:22:59,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:22:59,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:22:59,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:22:59,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:22:59,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:22:59,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:22:59,148 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:22:59,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:22:59,149 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:22:59,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:22:59,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:22:59,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:22:59,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:22:59,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:22:59,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:22:59,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:22:59,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:22:59,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:22:59,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:22:59,152 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:22:59,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:22:59,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:22:59,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:22:59,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:22:59,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:22:59,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:22:59,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:22:59,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:22:59,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:22:59,155 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:22:59,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:22:59,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:22:59,157 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 -> 574df94a903166a1b27be7d989c6ac88f507ceb5 [2018-12-31 17:22:59,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:22:59,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:22:59,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:22:59,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:22:59,220 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:22:59,221 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-12-31 17:22:59,276 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd11dc17a/5b8a31d6b3f14233ae23a3fc365844ab/FLAG575930619 [2018-12-31 17:22:59,814 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:22:59,816 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-12-31 17:22:59,836 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd11dc17a/5b8a31d6b3f14233ae23a3fc365844ab/FLAG575930619 [2018-12-31 17:23:00,047 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd11dc17a/5b8a31d6b3f14233ae23a3fc365844ab [2018-12-31 17:23:00,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:23:00,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:23:00,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:23:00,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:23:00,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:23:00,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:23:00" (1/1) ... [2018-12-31 17:23:00,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f40f54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:00, skipping insertion in model container [2018-12-31 17:23:00,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:23:00" (1/1) ... [2018-12-31 17:23:00,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:23:00,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:23:00,825 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:23:00,839 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:23:00,974 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:23:01,165 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:23:01,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01 WrapperNode [2018-12-31 17:23:01,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:23:01,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:23:01,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:23:01,169 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:23:01,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:23:01,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:23:01,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:23:01,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:23:01,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (1/1) ... [2018-12-31 17:23:01,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:23:01,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:23:01,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:23:01,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:23:01,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (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 [2018-12-31 17:23:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:23:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-31 17:23:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:23:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:23:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:23:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2018-12-31 17:23:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-31 17:23:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-12-31 17:23:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-12-31 17:23:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:23:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:23:01,411 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:23:01,988 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:23:01,988 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-31 17:23:01,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:23:01 BoogieIcfgContainer [2018-12-31 17:23:01,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:23:01,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:23:01,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:23:01,996 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:23:01,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:23:00" (1/3) ... [2018-12-31 17:23:01,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2862827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:23:01, skipping insertion in model container [2018-12-31 17:23:01,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:01" (2/3) ... [2018-12-31 17:23:01,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2862827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:23:01, skipping insertion in model container [2018-12-31 17:23:01,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:23:01" (3/3) ... [2018-12-31 17:23:02,001 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-12-31 17:23:02,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,052 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,052 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:02,079 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:23:02,079 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:23:02,087 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 17:23:02,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 17:23:02,132 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:23:02,133 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:23:02,133 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:23:02,133 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:23:02,134 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:23:02,134 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:23:02,134 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:23:02,134 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:23:02,134 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:23:02,144 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-12-31 17:23:02,162 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 17:23:02,166 INFO L168 Benchmark]: Toolchain (without parser) took 2112.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:02,168 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. [2018-12-31 17:23:02,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1111.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -115.7 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:02,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.50 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. [2018-12-31 17:23:02,171 INFO L168 Benchmark]: Boogie Preprocessor took 66.34 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:02,171 INFO L168 Benchmark]: RCFGBuilder took 662.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:02,172 INFO L168 Benchmark]: TraceAbstraction took 174.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:02,178 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 1111.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -115.7 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.50 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 66.34 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 662.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 17:23:04,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:23:04,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:23:04,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:23:04,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:23:04,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:23:04,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:23:04,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:23:04,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:23:04,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:23:04,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:23:04,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:23:04,441 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:23:04,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:23:04,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:23:04,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:23:04,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:23:04,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:23:04,448 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:23:04,450 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:23:04,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:23:04,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:23:04,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:23:04,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:23:04,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:23:04,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:23:04,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:23:04,460 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:23:04,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:23:04,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:23:04,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:23:04,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:23:04,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:23:04,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:23:04,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:23:04,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:23:04,465 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 17:23:04,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:23:04,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:23:04,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:23:04,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:23:04,482 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:23:04,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:23:04,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:23:04,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:23:04,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 17:23:04,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:23:04,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:23:04,484 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:23:04,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:23:04,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:23:04,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:23:04,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:23:04,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:23:04,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:23:04,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:23:04,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:23:04,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:23:04,486 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 17:23:04,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:23:04,486 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 17:23:04,486 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 17:23:04,486 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 -> 574df94a903166a1b27be7d989c6ac88f507ceb5 [2018-12-31 17:23:04,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:23:04,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:23:04,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:23:04,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:23:04,556 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:23:04,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-12-31 17:23:04,608 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/799d5908d/4abe1ebc633b4a0c93ef0f01abf9e41a/FLAGc0711413d [2018-12-31 17:23:05,201 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:23:05,203 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-12-31 17:23:05,228 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/799d5908d/4abe1ebc633b4a0c93ef0f01abf9e41a/FLAGc0711413d [2018-12-31 17:23:05,444 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/799d5908d/4abe1ebc633b4a0c93ef0f01abf9e41a [2018-12-31 17:23:05,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:23:05,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:23:05,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:23:05,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:23:05,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:23:05,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:23:05" (1/1) ... [2018-12-31 17:23:05,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a64539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:05, skipping insertion in model container [2018-12-31 17:23:05,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:23:05" (1/1) ... [2018-12-31 17:23:05,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:23:05,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:23:06,140 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:23:06,164 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:23:06,338 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:23:06,525 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:23:06,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06 WrapperNode [2018-12-31 17:23:06,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:23:06,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:23:06,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:23:06,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:23:06,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:23:06,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:23:06,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:23:06,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:23:06,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (1/1) ... [2018-12-31 17:23:06,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:23:06,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:23:06,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:23:06,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:23:06,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (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 [2018-12-31 17:23:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 17:23:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:23:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-31 17:23:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:23:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 17:23:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2018-12-31 17:23:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-31 17:23:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-12-31 17:23:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-12-31 17:23:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:23:06,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:23:06,760 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:23:07,388 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:23:07,388 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-31 17:23:07,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:23:07 BoogieIcfgContainer [2018-12-31 17:23:07,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:23:07,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:23:07,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:23:07,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:23:07,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:23:05" (1/3) ... [2018-12-31 17:23:07,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1599b83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:23:07, skipping insertion in model container [2018-12-31 17:23:07,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:23:06" (2/3) ... [2018-12-31 17:23:07,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1599b83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:23:07, skipping insertion in model container [2018-12-31 17:23:07,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:23:07" (3/3) ... [2018-12-31 17:23:07,397 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-12-31 17:23:07,431 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,431 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,431 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,432 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,432 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,432 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:23:07,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:23:07,466 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:23:07,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 17:23:07,494 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 17:23:07,522 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:23:07,522 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:23:07,523 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:23:07,523 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:23:07,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:23:07,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:23:07,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:23:07,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:23:07,524 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:23:07,533 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-12-31 17:23:07,551 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 17:23:07,554 INFO L168 Benchmark]: Toolchain (without parser) took 2104.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -85.6 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:07,556 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-31 17:23:07,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1074.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:07,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.49 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. [2018-12-31 17:23:07,559 INFO L168 Benchmark]: Boogie Preprocessor took 66.66 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. [2018-12-31 17:23:07,559 INFO L168 Benchmark]: RCFGBuilder took 707.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:07,560 INFO L168 Benchmark]: TraceAbstraction took 163.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:23:07,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 1074.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.49 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. * Boogie Preprocessor took 66.66 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. * RCFGBuilder took 707.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 163.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...