./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c97acbedf71345bee708d86a717fb796a6f76ada .................................................................................................................................................................................................................................. 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_true-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 c97acbedf71345bee708d86a717fb796a6f76ada ................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 20:46:00,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:46:00,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:46:00,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:46:00,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:46:00,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:46:00,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:46:00,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:46:00,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:46:00,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:46:00,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:46:00,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:46:00,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:46:00,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:46:00,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:46:00,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:46:00,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:46:00,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:46:00,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:46:00,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:46:00,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:46:00,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:46:00,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:46:00,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:46:00,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:46:00,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:46:00,636 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:46:00,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:46:00,638 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:46:00,639 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:46:00,639 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:46:00,640 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:46:00,640 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:46:00,640 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:46:00,641 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:46:00,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:46:00,643 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:46:00,657 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:46:00,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:46:00,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:46:00,658 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:46:00,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:46:00,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:46:00,660 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:46:00,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:46:00,660 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:46:00,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:46:00,660 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:46:00,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:46:00,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:46:00,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:46:00,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:46:00,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:46:00,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:46:00,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:46:00,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:46:00,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:46:00,665 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:46:00,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:46:00,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:46:00,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:46:00,666 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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-11-28 20:46:00,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:46:00,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:46:00,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:46:00,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:46:00,726 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:46:00,727 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:00,785 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4f6bc7/3d633fc7b17f46cab806aa6dcb101060/FLAG9ceefc08c [2018-11-28 20:46:01,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:46:01,272 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:01,290 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4f6bc7/3d633fc7b17f46cab806aa6dcb101060/FLAG9ceefc08c [2018-11-28 20:46:01,574 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4f6bc7/3d633fc7b17f46cab806aa6dcb101060 [2018-11-28 20:46:01,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:46:01,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:46:01,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:01,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:46:01,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:46:01,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:01" (1/1) ... [2018-11-28 20:46:01,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23772110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:01, skipping insertion in model container [2018-11-28 20:46:01,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:01" (1/1) ... [2018-11-28 20:46:01,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:46:01,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:46:02,132 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:02,148 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:46:02,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:02,365 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:46:02,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02 WrapperNode [2018-11-28 20:46:02,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:02,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:02,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:46:02,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:46:02,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:02,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:46:02,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:46:02,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:46:02,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (1/1) ... [2018-11-28 20:46:02,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:46:02,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:46:02,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:46:02,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:46:02,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (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 20:46:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:46:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-28 20:46:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-28 20:46:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 20:46:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 20:46:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 20:46:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:46:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:46:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:46:02,523 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 20:46:03,032 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:46:03,033 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 20:46:03,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:03 BoogieIcfgContainer [2018-11-28 20:46:03,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:46:03,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:46:03,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:46:03,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:46:03,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:46:01" (1/3) ... [2018-11-28 20:46:03,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f461b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:03, skipping insertion in model container [2018-11-28 20:46:03,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:02" (2/3) ... [2018-11-28 20:46:03,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f461b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:03, skipping insertion in model container [2018-11-28 20:46:03,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:03" (3/3) ... [2018-11-28 20:46:03,044 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:03,079 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,080 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,080 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,080 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,081 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,081 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,082 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,083 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,083 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,084 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,084 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,084 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,084 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,085 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,085 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,085 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,085 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:03,096 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:46:03,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:46:03,105 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 20:46:03,123 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 20:46:03,149 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:46:03,150 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:46:03,150 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:46:03,150 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:46:03,151 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:46:03,151 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:46:03,151 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:46:03,151 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:46:03,151 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:46:03,160 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-28 20:46:03,188 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 20:46:03,195 INFO L168 Benchmark]: Toolchain (without parser) took 1616.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:46:03,198 INFO L168 Benchmark]: CDTParser took 0.17 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 20:46:03,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:03,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:03,200 INFO L168 Benchmark]: Boogie Preprocessor took 31.00 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 20:46:03,201 INFO L168 Benchmark]: RCFGBuilder took 576.36 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:03,202 INFO L168 Benchmark]: TraceAbstraction took 159.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:03,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.00 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 576.36 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 159.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * 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 0.1.24-91b1670 [2018-11-28 20:46:05,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:46:05,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:46:05,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:46:05,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:46:05,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:46:05,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:46:05,702 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:46:05,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:46:05,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:46:05,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:46:05,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:46:05,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:46:05,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:46:05,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:46:05,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:46:05,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:46:05,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:46:05,733 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:46:05,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:46:05,737 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:46:05,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:46:05,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:46:05,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:46:05,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:46:05,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:46:05,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:46:05,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:46:05,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:46:05,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:46:05,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:46:05,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:46:05,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:46:05,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:46:05,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:46:05,757 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:46:05,757 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 20:46:05,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:46:05,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:46:05,785 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:46:05,787 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:46:05,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:46:05,789 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:46:05,789 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:46:05,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:46:05,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:46:05,789 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:46:05,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:46:05,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:46:05,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:46:05,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:46:05,790 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 20:46:05,791 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 20:46:05,793 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:46:05,793 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:46:05,794 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:46:05,794 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:46:05,794 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:46:05,794 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:46:05,794 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:46:05,794 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:46:05,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:46:05,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:46:05,795 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:46:05,795 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:46:05,795 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 20:46:05,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:46:05,798 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 20:46:05,798 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 20:46:05,798 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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-11-28 20:46:05,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:46:05,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:46:05,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:46:05,888 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:46:05,888 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:46:05,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:05,946 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f45e875/1ec430c7770e461e8823364303816b40/FLAG31d71b82e [2018-11-28 20:46:06,435 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:46:06,437 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:06,461 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f45e875/1ec430c7770e461e8823364303816b40/FLAG31d71b82e [2018-11-28 20:46:06,728 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f45e875/1ec430c7770e461e8823364303816b40 [2018-11-28 20:46:06,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:46:06,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:46:06,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:06,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:46:06,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:46:06,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:06" (1/1) ... [2018-11-28 20:46:06,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e3ec09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:06, skipping insertion in model container [2018-11-28 20:46:06,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:06" (1/1) ... [2018-11-28 20:46:06,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:46:06,809 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:46:07,298 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:07,314 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:46:07,492 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:07,581 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:46:07,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07 WrapperNode [2018-11-28 20:46:07,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:07,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:07,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:46:07,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:46:07,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:07,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:46:07,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:46:07,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:46:07,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (1/1) ... [2018-11-28 20:46:07,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:46:07,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:46:07,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:46:07,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:46:07,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (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 20:46:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:46:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-28 20:46:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-28 20:46:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 20:46:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 20:46:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:46:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 20:46:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:46:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:46:07,757 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 20:46:08,246 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:46:08,246 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 20:46:08,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:08 BoogieIcfgContainer [2018-11-28 20:46:08,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:46:08,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:46:08,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:46:08,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:46:08,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:46:06" (1/3) ... [2018-11-28 20:46:08,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec7358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:08, skipping insertion in model container [2018-11-28 20:46:08,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:07" (2/3) ... [2018-11-28 20:46:08,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec7358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:08, skipping insertion in model container [2018-11-28 20:46:08,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:08" (3/3) ... [2018-11-28 20:46:08,257 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_true-unreach-call.i [2018-11-28 20:46:08,291 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,291 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,292 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,292 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,292 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,293 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,293 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,293 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,294 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,294 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,294 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,294 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,294 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,295 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,295 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,295 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,295 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:08,311 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:46:08,311 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:46:08,320 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 20:46:08,337 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 20:46:08,363 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:46:08,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:46:08,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:46:08,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:46:08,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:46:08,364 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:46:08,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:46:08,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:46:08,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:46:08,374 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-28 20:46:08,397 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 20:46:08,400 INFO L168 Benchmark]: Toolchain (without parser) took 1667.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:08,402 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 20:46:08,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:08,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:46:08,404 INFO L168 Benchmark]: Boogie Preprocessor took 40.40 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. [2018-11-28 20:46:08,405 INFO L168 Benchmark]: RCFGBuilder took 565.41 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:08,406 INFO L168 Benchmark]: TraceAbstraction took 150.82 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:08,410 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 847.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.40 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. * RCFGBuilder took 565.41 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.82 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: 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...