./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 91b1670e 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 0.1.24-91b1670 [2018-11-28 19:34:08,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:34:08,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:34:08,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:34:08,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:34:08,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:34:08,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:34:08,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:34:08,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:34:08,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:34:08,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:34:08,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:34:08,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:34:08,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:34:08,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:34:08,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:34:08,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:34:08,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:34:08,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:34:08,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:34:08,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:34:08,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:34:08,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:34:08,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:34:08,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:34:08,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:34:08,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:34:08,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:34:08,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:34:08,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:34:08,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:34:08,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:34:08,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:34:08,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:34:08,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:34:08,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:34:08,148 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 19:34:08,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:34:08,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:34:08,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:34:08,174 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:34:08,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:34:08,174 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:34:08,176 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:34:08,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:34:08,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:34:08,176 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:34:08,177 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:34:08,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:34:08,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:34:08,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:34:08,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:34:08,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:34:08,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:34:08,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:34:08,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:34:08,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:34:08,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:34:08,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:34:08,180 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 19:34:08,180 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:34:08,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 19:34:08,180 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 [2018-11-28 19:34:08,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:34:08,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:34:08,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:34:08,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:34:08,245 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:34:08,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-11-28 19:34:08,315 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a979d5e7/28de7794dca54b05a460397359f616ca/FLAG1504f4770 [2018-11-28 19:34:08,930 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:34:08,930 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-11-28 19:34:08,952 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a979d5e7/28de7794dca54b05a460397359f616ca/FLAG1504f4770 [2018-11-28 19:34:09,129 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a979d5e7/28de7794dca54b05a460397359f616ca [2018-11-28 19:34:09,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:34:09,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:34:09,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:34:09,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:34:09,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:34:09,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:09" (1/1) ... [2018-11-28 19:34:09,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d211c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:09, skipping insertion in model container [2018-11-28 19:34:09,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:09" (1/1) ... [2018-11-28 19:34:09,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:34:09,219 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:34:09,740 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:34:09,757 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:34:09,942 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:34:10,135 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:34:10,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10 WrapperNode [2018-11-28 19:34:10,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:34:10,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:34:10,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:34:10,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:34:10,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:34:10,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:34:10,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:34:10,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:34:10,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (1/1) ... [2018-11-28 19:34:10,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:34:10,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:34:10,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:34:10,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:34:10,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (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 [2018-11-28 19:34:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 19:34:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:34:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:34:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 19:34:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 19:34:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 19:34:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-11-28 19:34:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-11-28 19:34:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:34:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:34:10,368 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:34:11,052 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:34:11,053 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 19:34:11,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:11 BoogieIcfgContainer [2018-11-28 19:34:11,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:34:11,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:34:11,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:34:11,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:34:11,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:34:09" (1/3) ... [2018-11-28 19:34:11,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b430639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:11, skipping insertion in model container [2018-11-28 19:34:11,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:10" (2/3) ... [2018-11-28 19:34:11,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b430639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:11, skipping insertion in model container [2018-11-28 19:34:11,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:11" (3/3) ... [2018-11-28 19:34:11,065 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-11-28 19:34:11,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,101 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,102 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:11,112 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:34:11,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:34:11,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 19:34:11,141 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 19:34:11,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:34:11,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:34:11,170 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:34:11,171 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:34:11,171 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:34:11,171 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:34:11,171 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:34:11,171 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:34:11,171 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:34:11,185 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-11-28 19:34:11,205 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) [2018-11-28 19:34:11,211 INFO L168 Benchmark]: Toolchain (without parser) took 2078.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:11,214 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 19:34:11,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1001.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:11,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.67 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. [2018-11-28 19:34:11,216 INFO L168 Benchmark]: Boogie Preprocessor took 65.50 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. [2018-11-28 19:34:11,217 INFO L168 Benchmark]: RCFGBuilder took 752.41 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:11,218 INFO L168 Benchmark]: TraceAbstraction took 155.08 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:11,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1001.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.67 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 65.50 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. * RCFGBuilder took 752.41 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 155.08 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 0.1.24-91b1670 [2018-11-28 19:34:13,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:34:13,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:34:13,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:34:13,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:34:13,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:34:13,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:34:13,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:34:13,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:34:13,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:34:13,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:34:13,616 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:34:13,617 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:34:13,618 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:34:13,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:34:13,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:34:13,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:34:13,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:34:13,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:34:13,628 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:34:13,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:34:13,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:34:13,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:34:13,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:34:13,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:34:13,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:34:13,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:34:13,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:34:13,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:34:13,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:34:13,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:34:13,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:34:13,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:34:13,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:34:13,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:34:13,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:34:13,646 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 19:34:13,663 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:34:13,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:34:13,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:34:13,667 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:34:13,668 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:34:13,668 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:34:13,668 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:34:13,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:34:13,669 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:34:13,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:34:13,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:34:13,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:34:13,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:34:13,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:34:13,673 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 19:34:13,674 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 19:34:13,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:34:13,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:34:13,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:34:13,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:34:13,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:34:13,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:34:13,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:34:13,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:34:13,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:34:13,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:34:13,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:34:13,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:34:13,678 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 19:34:13,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:34:13,678 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 19:34:13,679 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 19:34:13,679 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 [2018-11-28 19:34:13,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:34:13,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:34:13,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:34:13,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:34:13,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:34:13,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-11-28 19:34:13,803 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d3f01b5/c5aec02c60384de6b78b8d31c0ff1ab2/FLAGbdf74b16e [2018-11-28 19:34:14,353 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:34:14,354 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/sigma_false-unreach-call.i [2018-11-28 19:34:14,390 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d3f01b5/c5aec02c60384de6b78b8d31c0ff1ab2/FLAGbdf74b16e [2018-11-28 19:34:14,600 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d3f01b5/c5aec02c60384de6b78b8d31c0ff1ab2 [2018-11-28 19:34:14,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:34:14,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:34:14,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:34:14,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:34:14,612 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:34:14,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:14" (1/1) ... [2018-11-28 19:34:14,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11343aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:14, skipping insertion in model container [2018-11-28 19:34:14,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:14" (1/1) ... [2018-11-28 19:34:14,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:34:14,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:34:15,281 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:34:15,297 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:34:15,434 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:34:15,673 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:34:15,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15 WrapperNode [2018-11-28 19:34:15,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:34:15,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:34:15,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:34:15,675 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:34:15,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:34:15,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:34:15,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:34:15,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:34:15,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (1/1) ... [2018-11-28 19:34:15,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:34:15,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:34:15,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:34:15,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:34:15,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (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 [2018-11-28 19:34:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 19:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 19:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 19:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:34:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 19:34:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-11-28 19:34:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-11-28 19:34:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:34:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:34:15,938 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:34:16,636 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:34:16,637 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 19:34:16,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:16 BoogieIcfgContainer [2018-11-28 19:34:16,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:34:16,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:34:16,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:34:16,644 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:34:16,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:34:14" (1/3) ... [2018-11-28 19:34:16,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400d60b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:16, skipping insertion in model container [2018-11-28 19:34:16,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:15" (2/3) ... [2018-11-28 19:34:16,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400d60b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:16, skipping insertion in model container [2018-11-28 19:34:16,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:16" (3/3) ... [2018-11-28 19:34:16,649 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-11-28 19:34:16,683 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,683 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,684 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,684 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,684 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,685 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:34:16,694 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:34:16,694 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:34:16,704 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 19:34:16,722 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 19:34:16,750 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:34:16,751 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:34:16,751 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:34:16,751 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:34:16,752 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:34:16,752 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:34:16,752 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:34:16,752 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:34:16,752 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:34:16,762 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-11-28 19:34:16,782 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) [2018-11-28 19:34:16,787 INFO L168 Benchmark]: Toolchain (without parser) took 2182.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -94.4 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:16,789 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-28 19:34:16,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1066.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:16,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.69 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. [2018-11-28 19:34:16,792 INFO L168 Benchmark]: Boogie Preprocessor took 80.06 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. [2018-11-28 19:34:16,793 INFO L168 Benchmark]: RCFGBuilder took 782.16 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:16,794 INFO L168 Benchmark]: TraceAbstraction took 146.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 19:34:16,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1066.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.69 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 80.06 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 782.16 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 146.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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...