./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_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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 [2018-12-08 16:02:55,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:02:55,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:02:55,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:02:55,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:02:55,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:02:55,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:02:55,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:02:55,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:02:55,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:02:55,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:02:55,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:02:55,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:02:55,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:02:55,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:02:55,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:02:55,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:02:55,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:02:55,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:02:55,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:02:55,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:02:55,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:02:55,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:02:55,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:02:55,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:02:55,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:02:55,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:02:55,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:02:55,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:02:55,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:02:55,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:02:55,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:02:55,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:02:55,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:02:55,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:02:55,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:02:55,833 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:02:55,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:02:55,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:02:55,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:02:55,840 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:02:55,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:02:55,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:02:55,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:02:55,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:02:55,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:02:55,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:02:55,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:02:55,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:02:55,844 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:02:55,844 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_ceb54afb-0f3f-45c7-a512-57402d78d318/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 [2018-12-08 16:02:55,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:02:55,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:02:55,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:02:55,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:02:55,874 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:02:55,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:55,912 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/6357d89b5/ae9c195501e64905ad5aaa26d99858b9/FLAG6be39e2e4 [2018-12-08 16:02:56,263 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:02:56,263 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:56,272 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/6357d89b5/ae9c195501e64905ad5aaa26d99858b9/FLAG6be39e2e4 [2018-12-08 16:02:56,280 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/6357d89b5/ae9c195501e64905ad5aaa26d99858b9 [2018-12-08 16:02:56,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:02:56,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:02:56,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:02:56,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:02:56,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:02:56,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca4a7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56, skipping insertion in model container [2018-12-08 16:02:56,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:02:56,310 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:02:56,472 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:02:56,520 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:02:56,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:02:56,573 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:02:56,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56 WrapperNode [2018-12-08 16:02:56,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:02:56,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:02:56,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:02:56,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:02:56,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:02:56,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:02:56,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:02:56,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:02:56,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... [2018-12-08 16:02:56,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:02:56,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:02:56,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:02:56,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:02:56,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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 [2018-12-08 16:02:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:02:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 16:02:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 16:02:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:02:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:02:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:02:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:02:56,648 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:02:56,713 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-08 16:02:56,714 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-08 16:02:56,714 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-08 16:02:56,715 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-08 16:02:56,770 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:02:56,770 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:02:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:02:56 BoogieIcfgContainer [2018-12-08 16:02:56,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:02:56,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:02:56,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:02:56,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:02:56,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:02:56" (1/3) ... [2018-12-08 16:02:56,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ba9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:02:56, skipping insertion in model container [2018-12-08 16:02:56,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:56" (2/3) ... [2018-12-08 16:02:56,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ba9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:02:56, skipping insertion in model container [2018-12-08 16:02:56,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:02:56" (3/3) ... [2018-12-08 16:02:56,776 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:56,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,796 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,796 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,796 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:56,801 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:02:56,802 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:02:56,806 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 16:02:56,814 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 16:02:56,829 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:02:56,829 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:02:56,829 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:02:56,829 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:02:56,829 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:02:56,829 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:02:56,829 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:02:56,829 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:02:56,834 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-12-08 16:02:56,841 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) [2018-12-08 16:02:56,843 INFO L168 Benchmark]: Toolchain (without parser) took 560.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:02:56,844 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:02:56,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:56,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:02:56,845 INFO L168 Benchmark]: Boogie Preprocessor took 14.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:56,846 INFO L168 Benchmark]: RCFGBuilder took 157.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:56,846 INFO L168 Benchmark]: TraceAbstraction took 71.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:56,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 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 [2018-12-08 16:02:58,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:02:58,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:02:58,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:02:58,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:02:58,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:02:58,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:02:58,101 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:02:58,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:02:58,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:02:58,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:02:58,103 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:02:58,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:02:58,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:02:58,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:02:58,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:02:58,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:02:58,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:02:58,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:02:58,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:02:58,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:02:58,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:02:58,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:02:58,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:02:58,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:02:58,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:02:58,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:02:58,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:02:58,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:02:58,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:02:58,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:02:58,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:02:58,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:02:58,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:02:58,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:02:58,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:02:58,119 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 16:02:58,129 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:02:58,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:02:58,130 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:02:58,130 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:02:58,130 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:02:58,130 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:02:58,130 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:02:58,131 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:02:58,131 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:02:58,131 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:02:58,131 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:02:58,132 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:02:58,133 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:02:58,133 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:02:58,133 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:02:58,133 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:02:58,133 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:02:58,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:02:58,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:02:58,134 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:02:58,135 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:02:58,135 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:02:58,135 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:02:58,135 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:02:58,135 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_ceb54afb-0f3f-45c7-a512-57402d78d318/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 [2018-12-08 16:02:58,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:02:58,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:02:58,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:02:58,169 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:02:58,169 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:02:58,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:58,206 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/8c2c1b44e/30e2455451ae499f85df3fafabaaedaf/FLAG9bd08a330 [2018-12-08 16:02:58,541 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:02:58,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:58,548 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/8c2c1b44e/30e2455451ae499f85df3fafabaaedaf/FLAG9bd08a330 [2018-12-08 16:02:58,933 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/bin-2019/utaipan/data/8c2c1b44e/30e2455451ae499f85df3fafabaaedaf [2018-12-08 16:02:58,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:02:58,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:02:58,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:02:58,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:02:58,939 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:02:58,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:02:58" (1/1) ... [2018-12-08 16:02:58,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4559ae87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:58, skipping insertion in model container [2018-12-08 16:02:58,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:02:58" (1/1) ... [2018-12-08 16:02:58,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:02:58,965 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:02:59,149 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:02:59,158 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:02:59,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:02:59,218 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:02:59,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59 WrapperNode [2018-12-08 16:02:59,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:02:59,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:02:59,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:02:59,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:02:59,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:02:59,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:02:59,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:02:59,302 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:02:59,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... [2018-12-08 16:02:59,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:02:59,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:02:59,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:02:59,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:02:59,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ceb54afb-0f3f-45c7-a512-57402d78d318/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 [2018-12-08 16:02:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:02:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 16:02:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 16:02:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:02:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:02:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:02:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:02:59,361 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:02:59,424 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-08 16:02:59,425 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-08 16:02:59,425 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-08 16:02:59,425 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-08 16:02:59,485 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:02:59,485 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:02:59,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:02:59 BoogieIcfgContainer [2018-12-08 16:02:59,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:02:59,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:02:59,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:02:59,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:02:59,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:02:58" (1/3) ... [2018-12-08 16:02:59,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de447c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:02:59, skipping insertion in model container [2018-12-08 16:02:59,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:02:59" (2/3) ... [2018-12-08 16:02:59,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de447c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:02:59, skipping insertion in model container [2018-12-08 16:02:59,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:02:59" (3/3) ... [2018-12-08 16:02:59,489 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,506 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:02:59,512 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:02:59,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:02:59,516 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 16:02:59,525 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 16:02:59,538 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:02:59,538 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:02:59,539 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:02:59,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:02:59,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:02:59,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:02:59,539 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:02:59,539 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:02:59,539 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:02:59,543 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-12-08 16:02:59,550 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) [2018-12-08 16:02:59,551 INFO L168 Benchmark]: Toolchain (without parser) took 616.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:02:59,552 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-08 16:02:59,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:59,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:59,553 INFO L168 Benchmark]: Boogie Preprocessor took 21.32 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. [2018-12-08 16:02:59,553 INFO L168 Benchmark]: RCFGBuilder took 162.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:59,554 INFO L168 Benchmark]: TraceAbstraction took 65.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:02:59,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 325.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.32 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 162.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 65.10 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...