./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96530338 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 ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_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 fa6429411c5090a10b40d28bbfd7a17e72c05c8b .................................................................................................................................................................................................................................. 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 ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_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 fa6429411c5090a10b40d28bbfd7a17e72c05c8b ................................................................................................................................................................................................................................... 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 0.1.23-9653033 [2018-11-26 13:00:14,008 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-26 13:00:14,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-26 13:00:14,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-26 13:00:14,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-26 13:00:14,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-26 13:00:14,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-26 13:00:14,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-26 13:00:14,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-26 13:00:14,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-26 13:00:14,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-26 13:00:14,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-26 13:00:14,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-26 13:00:14,031 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-26 13:00:14,032 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-26 13:00:14,033 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-26 13:00:14,034 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-26 13:00:14,036 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-26 13:00:14,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-26 13:00:14,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-26 13:00:14,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-26 13:00:14,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-26 13:00:14,045 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-26 13:00:14,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-26 13:00:14,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-26 13:00:14,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-26 13:00:14,047 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-26 13:00:14,048 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-26 13:00:14,049 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-26 13:00:14,050 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-26 13:00:14,050 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-26 13:00:14,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-26 13:00:14,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-26 13:00:14,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-26 13:00:14,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-26 13:00:14,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-26 13:00:14,053 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-26 13:00:14,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-26 13:00:14,069 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-26 13:00:14,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-26 13:00:14,070 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-26 13:00:14,070 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-26 13:00:14,071 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-26 13:00:14,071 INFO L133 SettingsManager]: * Use SBE=true [2018-11-26 13:00:14,071 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-26 13:00:14,071 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-26 13:00:14,071 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-26 13:00:14,071 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-26 13:00:14,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-26 13:00:14,072 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-26 13:00:14,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-26 13:00:14,072 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-26 13:00:14,072 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-26 13:00:14,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-26 13:00:14,073 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-26 13:00:14,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-26 13:00:14,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-26 13:00:14,073 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-26 13:00:14,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-26 13:00:14,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-26 13:00:14,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-26 13:00:14,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-26 13:00:14,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-26 13:00:14,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-26 13:00:14,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-26 13:00:14,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-26 13:00:14,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-26 13:00:14,075 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 -> fa6429411c5090a10b40d28bbfd7a17e72c05c8b [2018-11-26 13:00:14,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-26 13:00:14,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-26 13:00:14,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-26 13:00:14,125 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-26 13:00:14,125 INFO L276 PluginConnector]: CDTParser initialized [2018-11-26 13:00:14,126 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:14,180 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9285007a8/915591d91e444c2b84692c803ddf2f1e/FLAG8d8f1ddf0 [2018-11-26 13:00:14,629 INFO L307 CDTParser]: Found 1 translation units. [2018-11-26 13:00:14,630 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:14,646 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9285007a8/915591d91e444c2b84692c803ddf2f1e/FLAG8d8f1ddf0 [2018-11-26 13:00:15,152 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9285007a8/915591d91e444c2b84692c803ddf2f1e [2018-11-26 13:00:15,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-26 13:00:15,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-26 13:00:15,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-26 13:00:15,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-26 13:00:15,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-26 13:00:15,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd39f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15, skipping insertion in model container [2018-11-26 13:00:15,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-26 13:00:15,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-26 13:00:15,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 13:00:15,560 INFO L191 MainTranslator]: Completed pre-run [2018-11-26 13:00:15,608 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 13:00:15,744 INFO L195 MainTranslator]: Completed translation [2018-11-26 13:00:15,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15 WrapperNode [2018-11-26 13:00:15,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-26 13:00:15,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-26 13:00:15,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-26 13:00:15,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-26 13:00:15,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-26 13:00:15,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-26 13:00:15,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-26 13:00:15,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-26 13:00:15,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (1/1) ... [2018-11-26 13:00:15,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-26 13:00:15,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-26 13:00:15,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-26 13:00:15,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-26 13:00:15,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (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 [2018-11-26 13:00:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-26 13:00:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-26 13:00:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-26 13:00:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-26 13:00:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-26 13:00:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-26 13:00:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-26 13:00:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-26 13:00:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-26 13:00:15,875 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-26 13:00:16,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-26 13:00:16,131 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-26 13:00:16,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:16 BoogieIcfgContainer [2018-11-26 13:00:16,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-26 13:00:16,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-26 13:00:16,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-26 13:00:16,137 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-26 13:00:16,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:00:15" (1/3) ... [2018-11-26 13:00:16,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117d726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:16, skipping insertion in model container [2018-11-26 13:00:16,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:15" (2/3) ... [2018-11-26 13:00:16,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117d726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:16, skipping insertion in model container [2018-11-26 13:00:16,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:16" (3/3) ... [2018-11-26 13:00:16,141 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:16,174 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,174 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,174 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,174 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,175 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,175 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,175 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,176 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,177 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,177 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,177 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,177 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:16,185 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-26 13:00:16,186 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-26 13:00:16,194 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-26 13:00:16,209 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-26 13:00:16,231 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-26 13:00:16,231 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-26 13:00:16,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-26 13:00:16,232 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-26 13:00:16,232 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-26 13:00:16,232 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-26 13:00:16,232 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-26 13:00:16,232 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-26 13:00:16,232 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-26 13:00:16,241 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-26 13:00:16,264 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) [2018-11-26 13:00:16,266 INFO L168 Benchmark]: Toolchain (without parser) took 1110.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -105.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:16,268 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-26 13:00:16,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:16,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:16,270 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-26 13:00:16,270 INFO L168 Benchmark]: RCFGBuilder took 313.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:16,271 INFO L168 Benchmark]: TraceAbstraction took 132.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:16,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 313.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 132.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 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 0.1.23-9653033 [2018-11-26 13:00:18,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-26 13:00:18,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-26 13:00:18,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-26 13:00:18,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-26 13:00:18,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-26 13:00:18,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-26 13:00:18,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-26 13:00:18,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-26 13:00:18,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-26 13:00:18,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-26 13:00:18,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-26 13:00:18,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-26 13:00:18,210 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-26 13:00:18,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-26 13:00:18,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-26 13:00:18,212 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-26 13:00:18,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-26 13:00:18,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-26 13:00:18,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-26 13:00:18,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-26 13:00:18,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-26 13:00:18,223 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-26 13:00:18,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-26 13:00:18,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-26 13:00:18,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-26 13:00:18,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-26 13:00:18,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-26 13:00:18,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-26 13:00:18,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-26 13:00:18,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-26 13:00:18,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-26 13:00:18,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-26 13:00:18,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-26 13:00:18,230 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-26 13:00:18,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-26 13:00:18,231 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-26 13:00:18,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-26 13:00:18,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-26 13:00:18,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-26 13:00:18,247 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-26 13:00:18,248 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-26 13:00:18,248 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-26 13:00:18,248 INFO L133 SettingsManager]: * Use SBE=true [2018-11-26 13:00:18,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-26 13:00:18,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-26 13:00:18,249 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-26 13:00:18,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-26 13:00:18,249 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-26 13:00:18,249 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-26 13:00:18,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-26 13:00:18,250 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-26 13:00:18,250 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-26 13:00:18,250 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-26 13:00:18,250 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-26 13:00:18,251 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-26 13:00:18,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-26 13:00:18,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-26 13:00:18,251 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-26 13:00:18,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-26 13:00:18,251 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-26 13:00:18,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-26 13:00:18,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-26 13:00:18,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-26 13:00:18,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-26 13:00:18,252 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-26 13:00:18,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-26 13:00:18,253 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-26 13:00:18,253 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-26 13:00:18,253 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 -> fa6429411c5090a10b40d28bbfd7a17e72c05c8b [2018-11-26 13:00:18,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-26 13:00:18,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-26 13:00:18,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-26 13:00:18,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-26 13:00:18,324 INFO L276 PluginConnector]: CDTParser initialized [2018-11-26 13:00:18,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:18,381 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32b1ecca/d915c2fefaac439ebba8362c9c09c9b6/FLAGb382c4a80 [2018-11-26 13:00:18,821 INFO L307 CDTParser]: Found 1 translation units. [2018-11-26 13:00:18,822 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:18,832 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32b1ecca/d915c2fefaac439ebba8362c9c09c9b6/FLAGb382c4a80 [2018-11-26 13:00:18,845 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32b1ecca/d915c2fefaac439ebba8362c9c09c9b6 [2018-11-26 13:00:18,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-26 13:00:18,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-26 13:00:18,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-26 13:00:18,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-26 13:00:18,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-26 13:00:18,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:18" (1/1) ... [2018-11-26 13:00:18,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267a6e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:18, skipping insertion in model container [2018-11-26 13:00:18,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:18" (1/1) ... [2018-11-26 13:00:18,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-26 13:00:18,916 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-26 13:00:19,245 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 13:00:19,258 INFO L191 MainTranslator]: Completed pre-run [2018-11-26 13:00:19,369 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-26 13:00:19,450 INFO L195 MainTranslator]: Completed translation [2018-11-26 13:00:19,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19 WrapperNode [2018-11-26 13:00:19,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-26 13:00:19,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-26 13:00:19,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-26 13:00:19,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-26 13:00:19,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-26 13:00:19,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-26 13:00:19,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-26 13:00:19,501 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-26 13:00:19,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... [2018-11-26 13:00:19,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-26 13:00:19,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-26 13:00:19,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-26 13:00:19,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-26 13:00:19,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-26 13:00:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-26 13:00:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-26 13:00:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-26 13:00:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-26 13:00:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-26 13:00:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-26 13:00:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-26 13:00:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-26 13:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-26 13:00:19,585 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-26 13:00:19,859 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-26 13:00:19,860 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-26 13:00:19,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:19 BoogieIcfgContainer [2018-11-26 13:00:19,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-26 13:00:19,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-26 13:00:19,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-26 13:00:19,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-26 13:00:19,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:00:18" (1/3) ... [2018-11-26 13:00:19,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a71827a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:19, skipping insertion in model container [2018-11-26 13:00:19,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:19" (2/3) ... [2018-11-26 13:00:19,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a71827a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:19, skipping insertion in model container [2018-11-26 13:00:19,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:19" (3/3) ... [2018-11-26 13:00:19,869 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_false-unreach-call.i [2018-11-26 13:00:19,900 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,901 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,901 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,902 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,902 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,902 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,903 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,903 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,903 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,904 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,904 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,904 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,904 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-26 13:00:19,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-26 13:00:19,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-26 13:00:19,922 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-26 13:00:19,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-26 13:00:19,958 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-26 13:00:19,959 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-26 13:00:19,959 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-26 13:00:19,959 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-26 13:00:19,959 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-26 13:00:19,959 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-26 13:00:19,960 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-26 13:00:19,960 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-26 13:00:19,960 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-26 13:00:19,968 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-26 13:00:19,988 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) [2018-11-26 13:00:19,991 INFO L168 Benchmark]: Toolchain (without parser) took 1142.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:19,993 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-26 13:00:19,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:19,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.29 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. [2018-11-26 13:00:19,994 INFO L168 Benchmark]: Boogie Preprocessor took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-26 13:00:19,995 INFO L168 Benchmark]: RCFGBuilder took 331.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:19,996 INFO L168 Benchmark]: TraceAbstraction took 127.91 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-26 13:00:20,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 127.91 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: 7.0 MB). Peak memory consumption was 7.0 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...