./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/40_barrier_vf_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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-ext/40_barrier_vf_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 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 ........................................................................................................................................................................................................................... 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-ext/40_barrier_vf_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 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 22:26:11,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:26:11,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:26:11,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:26:11,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:26:11,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:26:11,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:26:11,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:26:11,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:26:11,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:26:11,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:26:11,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:26:11,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:26:11,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:26:11,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:26:11,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:26:11,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:26:11,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:26:11,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:26:11,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:26:11,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:26:11,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:26:11,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:26:11,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:26:11,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:26:11,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:26:11,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:26:11,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:26:11,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:26:11,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:26:11,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:26:11,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:26:11,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:26:11,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:26:11,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:26:11,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:26:11,889 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 22:26:11,904 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:26:11,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:26:11,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:26:11,905 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:26:11,906 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:26:11,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:26:11,906 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:26:11,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:26:11,908 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:26:11,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:26:11,908 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:26:11,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:26:11,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:26:11,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:26:11,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:26:11,910 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:26:11,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:11,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:26:11,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:26:11,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:26:11,911 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 22:26:11,911 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:26:11,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 22:26:11,913 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 -> 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 [2019-01-12 22:26:11,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:26:11,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:26:11,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:26:11,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:26:11,965 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:26:11,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:12,025 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ed0e3d7/8b3f46f60a2a4fc9b21386cd36c42f8d/FLAG452db3509 [2019-01-12 22:26:12,510 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:26:12,511 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:12,524 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ed0e3d7/8b3f46f60a2a4fc9b21386cd36c42f8d/FLAG452db3509 [2019-01-12 22:26:12,797 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ed0e3d7/8b3f46f60a2a4fc9b21386cd36c42f8d [2019-01-12 22:26:12,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:26:12,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:26:12,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:12,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:26:12,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:26:12,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:12" (1/1) ... [2019-01-12 22:26:12,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6942e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:12, skipping insertion in model container [2019-01-12 22:26:12,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:12" (1/1) ... [2019-01-12 22:26:12,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:26:12,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:26:13,289 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:13,301 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:26:13,420 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:13,495 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:26:13,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13 WrapperNode [2019-01-12 22:26:13,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:13,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:13,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:26:13,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:26:13,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:13,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:26:13,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:26:13,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:26:13,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (1/1) ... [2019-01-12 22:26:13,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:26:13,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:26:13,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:26:13,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:26:13,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (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 [2019-01-12 22:26:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:26:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:26:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 22:26:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:26:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:26:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:26:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:26:13,631 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:26:13,755 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-01-12 22:26:13,756 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-01-12 22:26:13,757 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-01-12 22:26:13,757 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-01-12 22:26:14,019 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:26:14,019 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 22:26:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:14 BoogieIcfgContainer [2019-01-12 22:26:14,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:26:14,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:26:14,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:26:14,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:26:14,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:26:12" (1/3) ... [2019-01-12 22:26:14,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16109616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:14, skipping insertion in model container [2019-01-12 22:26:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:13" (2/3) ... [2019-01-12 22:26:14,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16109616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:14, skipping insertion in model container [2019-01-12 22:26:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:14" (3/3) ... [2019-01-12 22:26:14,028 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:14,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,057 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,057 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:14,076 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:26:14,076 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:26:14,084 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-12 22:26:14,101 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-12 22:26:14,124 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:26:14,125 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:26:14,125 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:26:14,125 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:26:14,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:26:14,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:26:14,126 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:26:14,126 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:26:14,126 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:26:14,134 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2019-01-12 22:26:14,145 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_thr1 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) [2019-01-12 22:26:14,148 INFO L168 Benchmark]: Toolchain (without parser) took 1346.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:14,150 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-01-12 22:26:14,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:14,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.65 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. [2019-01-12 22:26:14,155 INFO L168 Benchmark]: Boogie Preprocessor took 25.57 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. [2019-01-12 22:26:14,156 INFO L168 Benchmark]: RCFGBuilder took 449.66 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:14,156 INFO L168 Benchmark]: TraceAbstraction took 125.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:14,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 692.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.65 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 25.57 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 449.66 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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 0.1.24-0ed9222-m [2019-01-12 22:26:16,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:26:16,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:26:16,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:26:16,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:26:16,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:26:16,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:26:16,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:26:16,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:26:16,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:26:16,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:26:16,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:26:16,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:26:16,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:26:16,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:26:16,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:26:16,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:26:16,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:26:16,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:26:16,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:26:16,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:26:16,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:26:16,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:26:16,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:26:16,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:26:16,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:26:16,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:26:16,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:26:16,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:26:16,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:26:16,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:26:16,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:26:16,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:26:16,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:26:16,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:26:16,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:26:16,501 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 22:26:16,526 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:26:16,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:26:16,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:26:16,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:26:16,529 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:26:16,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:26:16,530 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 22:26:16,531 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 22:26:16,532 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:26:16,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:26:16,533 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:26:16,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:26:16,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:26:16,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:26:16,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:16,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 22:26:16,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:26:16,537 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 22:26:16,537 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 22:26:16,538 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 -> 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 [2019-01-12 22:26:16,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:26:16,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:26:16,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:26:16,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:26:16,617 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:26:16,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:16,681 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cd47fc0/5088c77f4cbe441394459b560cec2d3e/FLAGf32cbdcd5 [2019-01-12 22:26:17,185 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:26:17,186 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:17,207 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cd47fc0/5088c77f4cbe441394459b560cec2d3e/FLAGf32cbdcd5 [2019-01-12 22:26:17,480 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cd47fc0/5088c77f4cbe441394459b560cec2d3e [2019-01-12 22:26:17,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:26:17,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:26:17,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:17,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:26:17,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:26:17,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:17" (1/1) ... [2019-01-12 22:26:17,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fb7911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:17, skipping insertion in model container [2019-01-12 22:26:17,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:17" (1/1) ... [2019-01-12 22:26:17,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:26:17,553 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:26:17,971 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:17,988 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:26:18,130 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:18,212 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:26:18,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18 WrapperNode [2019-01-12 22:26:18,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:18,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:18,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:26:18,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:26:18,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:18,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:26:18,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:26:18,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:26:18,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (1/1) ... [2019-01-12 22:26:18,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:26:18,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:26:18,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:26:18,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:26:18,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (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 [2019-01-12 22:26:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:26:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 22:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:26:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:26:18,380 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:26:18,538 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-01-12 22:26:18,539 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-01-12 22:26:18,540 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-01-12 22:26:18,541 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-01-12 22:26:18,809 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:26:18,809 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 22:26:18,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:18 BoogieIcfgContainer [2019-01-12 22:26:18,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:26:18,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:26:18,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:26:18,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:26:18,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:26:17" (1/3) ... [2019-01-12 22:26:18,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce50169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:18, skipping insertion in model container [2019-01-12 22:26:18,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:18" (2/3) ... [2019-01-12 22:26:18,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce50169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:18, skipping insertion in model container [2019-01-12 22:26:18,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:18" (3/3) ... [2019-01-12 22:26:18,823 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2019-01-12 22:26:18,850 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,851 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,851 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,851 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,851 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,852 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,852 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,853 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,853 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,854 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:18,867 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:26:18,867 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:26:18,875 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-12 22:26:18,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-12 22:26:18,912 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:26:18,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:26:18,913 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:26:18,913 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:26:18,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:26:18,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:26:18,914 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:26:18,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:26:18,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:26:18,923 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34places, 36 transitions [2019-01-12 22:26:18,936 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_thr1 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) [2019-01-12 22:26:18,939 INFO L168 Benchmark]: Toolchain (without parser) took 1455.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:18,941 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-12 22:26:18,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:18,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.82 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. [2019-01-12 22:26:18,944 INFO L168 Benchmark]: Boogie Preprocessor took 46.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:18,944 INFO L168 Benchmark]: RCFGBuilder took 488.91 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:18,945 INFO L168 Benchmark]: TraceAbstraction took 125.88 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:18,950 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 727.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.82 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 46.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.91 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.88 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: 6.6 MB). Peak memory consumption was 6.6 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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...