./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbd82567 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-nondet/nondet-loop-bound-variant_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 924c2c8b252a881a87d805302d80fec6ce140fd5 ............................................................................................................................................................................................................................................. 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-nondet/nondet-loop-bound-variant_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 924c2c8b252a881a87d805302d80fec6ce140fd5 ................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.23-cbd8256-m [2018-11-28 11:47:58,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:47:58,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:47:58,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:47:58,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:47:58,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:47:58,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:47:58,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:47:58,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:47:58,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:47:58,080 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:47:58,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:47:58,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:47:58,082 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:47:58,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:47:58,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:47:58,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:47:58,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:47:58,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:47:58,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:47:58,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:47:58,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:47:58,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:47:58,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:47:58,097 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:47:58,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:47:58,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:47:58,101 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:47:58,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:47:58,103 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:47:58,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:47:58,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:47:58,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:47:58,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:47:58,106 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:47:58,106 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:47:58,107 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:47:58,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:47:58,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:47:58,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:47:58,123 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:47:58,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:47:58,125 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:47:58,125 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:47:58,125 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:47:58,125 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:47:58,125 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:47:58,126 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:47:58,127 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:47:58,128 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:47:58,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:47:58,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:47:58,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:47:58,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:47:58,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:47:58,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:58,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:47:58,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:47:58,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:47:58,130 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:47:58,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:47:58,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:47:58,132 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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2018-11-28 11:47:58,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:47:58,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:47:58,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:47:58,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:47:58,200 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:47:58,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:47:58,259 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3261bdf0/9bc3e2e77d094153ac0dea2e59ad7661/FLAGc0d0e2683 [2018-11-28 11:47:58,789 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:47:58,792 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:47:58,806 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3261bdf0/9bc3e2e77d094153ac0dea2e59ad7661/FLAGc0d0e2683 [2018-11-28 11:47:59,084 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3261bdf0/9bc3e2e77d094153ac0dea2e59ad7661 [2018-11-28 11:47:59,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:47:59,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:47:59,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:59,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:47:59,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:47:59,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c542701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59, skipping insertion in model container [2018-11-28 11:47:59,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:47:59,171 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:47:59,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:59,588 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:47:59,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:59,831 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:47:59,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59 WrapperNode [2018-11-28 11:47:59,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:59,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:59,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:47:59,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:47:59,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:59,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:47:59,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:47:59,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:47:59,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (1/1) ... [2018-11-28 11:47:59,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:47:59,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:47:59,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:47:59,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:47:59,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (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 11:48:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:48:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-28 11:48:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-28 11:48:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:48:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:48:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:48:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-28 11:48:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:48:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:48:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:48:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:48:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:48:00,020 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 11:48:00,659 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:48:00,659 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:48:00,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:48:00 BoogieIcfgContainer [2018-11-28 11:48:00,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:48:00,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:48:00,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:48:00,664 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:48:00,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:47:59" (1/3) ... [2018-11-28 11:48:00,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cfe806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:48:00, skipping insertion in model container [2018-11-28 11:48:00,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:59" (2/3) ... [2018-11-28 11:48:00,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cfe806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:48:00, skipping insertion in model container [2018-11-28 11:48:00,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:48:00" (3/3) ... [2018-11-28 11:48:00,668 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:48:00,706 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,707 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,707 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,707 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,708 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,708 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,708 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,708 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,709 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,712 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,712 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,712 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,713 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,713 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,715 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,716 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,717 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,718 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,718 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,718 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,718 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,718 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,719 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,719 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,719 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:00,754 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:48:00,754 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:48:00,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:48:00,781 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:48:00,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:48:00,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:48:00,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:48:00,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:48:00,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:48:00,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:48:00,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:48:00,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:48:00,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:48:00,826 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2018-11-28 11:48:00,853 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_thr2 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 11:48:00,859 INFO L168 Benchmark]: Toolchain (without parser) took 1771.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:00,862 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:48:00,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:00,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.91 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 11:48:00,864 INFO L168 Benchmark]: Boogie Preprocessor took 50.34 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. [2018-11-28 11:48:00,865 INFO L168 Benchmark]: RCFGBuilder took 702.16 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:00,867 INFO L168 Benchmark]: TraceAbstraction took 197.82 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. [2018-11-28 11:48:00,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 742.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.91 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 50.34 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 702.16 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 197.82 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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 0.1.23-cbd8256-m [2018-11-28 11:48:03,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:48:03,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:48:03,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:48:03,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:48:03,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:48:03,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:48:03,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:48:03,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:48:03,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:48:03,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:48:03,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:48:03,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:48:03,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:48:03,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:48:03,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:48:03,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:48:03,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:48:03,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:48:03,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:48:03,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:48:03,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:48:03,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:48:03,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:48:03,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:48:03,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:48:03,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:48:03,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:48:03,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:48:03,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:48:03,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:48:03,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:48:03,332 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:48:03,332 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:48:03,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:48:03,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:48:03,335 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:48:03,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:48:03,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:48:03,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:48:03,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:48:03,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:48:03,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:48:03,353 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:48:03,353 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:48:03,353 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:48:03,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:48:03,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:48:03,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:48:03,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:48:03,355 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:48:03,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:48:03,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:48:03,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:48:03,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:48:03,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:48:03,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:48:03,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:48:03,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:48:03,361 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:48:03,361 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:48:03,361 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:48:03,361 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:48:03,361 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:48:03,361 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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2018-11-28 11:48:03,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:48:03,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:48:03,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:48:03,421 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:48:03,421 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:48:03,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:48:03,490 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccb435e0/bf031e797205410e82084b7e42b4c51f/FLAGa2eb11658 [2018-11-28 11:48:04,000 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:48:04,001 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:48:04,031 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccb435e0/bf031e797205410e82084b7e42b4c51f/FLAGa2eb11658 [2018-11-28 11:48:04,285 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccb435e0/bf031e797205410e82084b7e42b4c51f [2018-11-28 11:48:04,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:48:04,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:48:04,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:48:04,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:48:04,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:48:04,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:48:04" (1/1) ... [2018-11-28 11:48:04,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1807c3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:04, skipping insertion in model container [2018-11-28 11:48:04,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:48:04" (1/1) ... [2018-11-28 11:48:04,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:48:04,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:48:04,798 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:48:04,828 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:48:04,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:48:05,081 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:48:05,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05 WrapperNode [2018-11-28 11:48:05,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:48:05,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:48:05,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:48:05,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:48:05,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:48:05,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:48:05,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:48:05,139 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:48:05,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (1/1) ... [2018-11-28 11:48:05,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:48:05,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:48:05,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:48:05,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:48:05,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (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 11:48:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:48:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-28 11:48:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-28 11:48:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:48:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:48:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-28 11:48:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:48:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:48:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:48:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-28 11:48:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-28 11:48:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:48:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:48:05,243 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 11:48:05,914 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:48:05,914 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:48:05,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:48:05 BoogieIcfgContainer [2018-11-28 11:48:05,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:48:05,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:48:05,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:48:05,919 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:48:05,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:48:04" (1/3) ... [2018-11-28 11:48:05,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb4e500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:48:05, skipping insertion in model container [2018-11-28 11:48:05,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:48:05" (2/3) ... [2018-11-28 11:48:05,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb4e500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:48:05, skipping insertion in model container [2018-11-28 11:48:05,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:48:05" (3/3) ... [2018-11-28 11:48:05,924 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2018-11-28 11:48:05,959 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,959 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,959 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,960 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,960 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,960 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,960 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,962 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,962 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,962 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,962 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,965 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,965 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,965 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,966 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,966 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,966 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,966 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,966 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,968 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,968 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:48:05,993 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:48:05,994 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:48:06,003 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:48:06,020 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:48:06,041 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:48:06,042 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:48:06,042 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:48:06,042 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:48:06,042 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:48:06,042 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:48:06,042 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:48:06,043 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:48:06,043 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:48:06,052 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2018-11-28 11:48:06,074 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_thr2 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 11:48:06,077 INFO L168 Benchmark]: Toolchain (without parser) took 1787.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:06,079 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 11:48:06,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:06,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:06,081 INFO L168 Benchmark]: Boogie Preprocessor took 45.70 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 11:48:06,081 INFO L168 Benchmark]: RCFGBuilder took 729.91 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:06,082 INFO L168 Benchmark]: TraceAbstraction took 160.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:48:06,087 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 789.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.70 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 729.91 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 160.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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...