./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan --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 Taipan --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=/tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan --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 Taipan --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 0.1.23-635dfa2 [2018-12-02 14:33:26,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:33:26,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:33:26,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:33:26,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:33:26,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:33:26,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:33:26,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:33:26,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:33:26,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:33:26,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:33:26,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:33:26,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:33:26,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:33:26,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:33:26,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:33:26,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:33:26,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:33:26,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:33:26,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:33:26,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:33:26,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:33:26,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:33:26,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:33:26,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:33:26,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:33:26,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:33:26,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:33:26,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:33:26,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:33:26,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:33:26,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:33:26,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:33:26,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:33:26,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:33:26,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:33:26,813 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:33:26,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:33:26,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:33:26,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:33:26,821 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:33:26,821 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:33:26,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:33:26,822 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:33:26,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:33:26,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:33:26,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:33:26,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:33:26,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:33:26,824 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan 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 -> Taipan 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 [2018-12-02 14:33:26,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:33:26,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:33:26,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:33:26,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:33:26,850 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:33:26,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:26,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/c0cf4c11d/7595beedd33c4393ab25b5e5fb37cfd5/FLAG3acd9b90c [2018-12-02 14:33:27,280 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:33:27,281 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:27,286 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/c0cf4c11d/7595beedd33c4393ab25b5e5fb37cfd5/FLAG3acd9b90c [2018-12-02 14:33:27,618 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/c0cf4c11d/7595beedd33c4393ab25b5e5fb37cfd5 [2018-12-02 14:33:27,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:33:27,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:33:27,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:27,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:33:27,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:33:27,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7240a955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27, skipping insertion in model container [2018-12-02 14:33:27,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:33:27,657 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:33:27,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:27,838 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:33:27,904 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:27,934 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:33:27,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27 WrapperNode [2018-12-02 14:33:27,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:27,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:27,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:33:27,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:33:27,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:27,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:33:27,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:33:27,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:33:27,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... [2018-12-02 14:33:27,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:33:27,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:33:27,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:33:27,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:33:27,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/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 [2018-12-02 14:33:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:33:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 14:33:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 14:33:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:33:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:33:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:33:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:33:28,027 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 14:33:28,092 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 14:33:28,092 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 14:33:28,093 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-02 14:33:28,093 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-02 14:33:28,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:33:28,151 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 14:33:28,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:28 BoogieIcfgContainer [2018-12-02 14:33:28,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:33:28,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:33:28,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:33:28,156 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:33:28,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:33:27" (1/3) ... [2018-12-02 14:33:28,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76077c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:28, skipping insertion in model container [2018-12-02 14:33:28,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:27" (2/3) ... [2018-12-02 14:33:28,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76077c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:28, skipping insertion in model container [2018-12-02 14:33:28,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:28" (3/3) ... [2018-12-02 14:33:28,158 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:28,181 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,181 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,181 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,181 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,182 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,183 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,183 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:28,188 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 14:33:28,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:33:28,194 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 14:33:28,203 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 14:33:28,218 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:33:28,218 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:33:28,219 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:33:28,219 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:33:28,219 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:33:28,219 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:33:28,219 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:33:28,219 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:33:28,225 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-12-02 14:33:28,235 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) [2018-12-02 14:33:28,238 INFO L168 Benchmark]: Toolchain (without parser) took 617.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:28,239 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:28,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:28,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.62 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. [2018-12-02 14:33:28,241 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 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. [2018-12-02 14:33:28,241 INFO L168 Benchmark]: RCFGBuilder took 168.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:28,241 INFO L168 Benchmark]: TraceAbstraction took 85.11 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:28,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.62 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 17.65 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. * RCFGBuilder took 168.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 85.11 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: 13.6 MB). Peak memory consumption was 13.6 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... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:33:29,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:33:29,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:33:29,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:33:29,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:33:29,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:33:29,618 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:33:29,619 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:33:29,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:33:29,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:33:29,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:33:29,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:33:29,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:33:29,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:33:29,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:33:29,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:33:29,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:33:29,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:33:29,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:33:29,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:33:29,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:33:29,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:33:29,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:33:29,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:33:29,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:33:29,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:33:29,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:33:29,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:33:29,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:33:29,629 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:33:29,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:33:29,630 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:33:29,630 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:33:29,630 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:33:29,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:33:29,631 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:33:29,631 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 14:33:29,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:33:29,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:33:29,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:33:29,639 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:33:29,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:33:29,639 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:33:29,639 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:33:29,639 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:33:29,639 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:33:29,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 14:33:29,640 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:33:29,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:33:29,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:33:29,641 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 14:33:29,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:33:29,642 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 14:33:29,642 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 14:33:29,642 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan 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 -> Taipan 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 [2018-12-02 14:33:29,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:33:29,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:33:29,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:33:29,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:33:29,674 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:33:29,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:29,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/5af21d1bc/6d55589468134a06a46543e39c6b2a5b/FLAG53019317a [2018-12-02 14:33:30,141 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:33:30,141 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:30,149 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/5af21d1bc/6d55589468134a06a46543e39c6b2a5b/FLAG53019317a [2018-12-02 14:33:30,157 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/data/5af21d1bc/6d55589468134a06a46543e39c6b2a5b [2018-12-02 14:33:30,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:33:30,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:33:30,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:30,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:33:30,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:33:30,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe4fc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30, skipping insertion in model container [2018-12-02 14:33:30,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:33:30,195 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:33:30,367 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:30,376 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:33:30,401 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:30,468 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:33:30,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30 WrapperNode [2018-12-02 14:33:30,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:30,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:30,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:33:30,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:33:30,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:30,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:33:30,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:33:30,499 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:33:30,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... [2018-12-02 14:33:30,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:33:30,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:33:30,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:33:30,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:33:30,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6b5bc12-15c2-4994-8c38-e602bffa3d08/bin-2019/utaipan/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 [2018-12-02 14:33:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:33:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 14:33:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 14:33:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:33:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 14:33:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:33:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:33:30,546 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 14:33:30,609 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 14:33:30,610 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 14:33:30,610 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-02 14:33:30,610 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-02 14:33:30,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:33:30,670 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 14:33:30,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:30 BoogieIcfgContainer [2018-12-02 14:33:30,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:33:30,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:33:30,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:33:30,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:33:30,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:33:30" (1/3) ... [2018-12-02 14:33:30,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:30, skipping insertion in model container [2018-12-02 14:33:30,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:30" (2/3) ... [2018-12-02 14:33:30,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:30, skipping insertion in model container [2018-12-02 14:33:30,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:30" (3/3) ... [2018-12-02 14:33:30,674 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:30,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 14:33:30,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:33:30,700 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 14:33:30,708 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 14:33:30,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:33:30,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:33:30,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:33:30,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:33:30,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:33:30,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:33:30,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:33:30,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:33:30,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:33:30,729 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-12-02 14:33:30,735 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) [2018-12-02 14:33:30,737 INFO L168 Benchmark]: Toolchain (without parser) took 578.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:30,738 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:30,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:30,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:30,739 INFO L168 Benchmark]: Boogie Preprocessor took 15.34 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. [2018-12-02 14:33:30,740 INFO L168 Benchmark]: RCFGBuilder took 155.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:30,740 INFO L168 Benchmark]: TraceAbstraction took 66.53 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:30,742 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.34 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 155.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 66.53 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: 13.4 MB). Peak memory consumption was 13.4 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...