./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 ........................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:04:24,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:04:24,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:04:24,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:04:24,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:04:24,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:04:24,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:04:24,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:04:24,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:04:24,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:04:24,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:04:24,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:04:24,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:04:24,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:04:24,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:04:24,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:04:24,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:04:24,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:04:24,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:04:24,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:04:24,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:04:24,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:04:24,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:04:24,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:04:24,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:04:24,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:04:24,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:04:24,800 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:04:24,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:04:24,801 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:04:24,801 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:04:24,802 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:04:24,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:04:24,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:04:24,803 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:04:24,803 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:04:24,803 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:04:24,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:04:24,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:04:24,814 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:04:24,814 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:04:24,815 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:04:24,815 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:04:24,815 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:04:24,815 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:04:24,815 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:04:24,815 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:04:24,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:04:24,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:04:24,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:04:24,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:04:24,817 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:04:24,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:04:24,818 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_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 [2018-11-23 13:04:24,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:04:24,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:04:24,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:04:24,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:04:24,850 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:04:24,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:24,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/ac60c32f6/beffb81013e64a5ca849264500646f9e/FLAG94ebe94c8 [2018-11-23 13:04:25,230 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:04:25,231 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:25,241 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/ac60c32f6/beffb81013e64a5ca849264500646f9e/FLAG94ebe94c8 [2018-11-23 13:04:25,251 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/ac60c32f6/beffb81013e64a5ca849264500646f9e [2018-11-23 13:04:25,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:04:25,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:04:25,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:25,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:04:25,257 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:04:25,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aaa58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25, skipping insertion in model container [2018-11-23 13:04:25,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:04:25,294 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:04:25,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:25,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:04:25,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:25,619 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:04:25,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25 WrapperNode [2018-11-23 13:04:25,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:25,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:25,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:04:25,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:04:25,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:25,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:04:25,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:04:25,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:04:25,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... [2018-11-23 13:04:25,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:04:25,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:04:25,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:04:25,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:04:25,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:04:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:04:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:04:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:04:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:04:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:04:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:04:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:04:25,701 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:04:25,772 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 13:04:25,772 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 13:04:25,772 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-11-23 13:04:25,773 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-11-23 13:04:25,850 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:04:25,850 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-23 13:04:25,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:25 BoogieIcfgContainer [2018-11-23 13:04:25,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:04:25,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:04:25,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:04:25,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:04:25,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:04:25" (1/3) ... [2018-11-23 13:04:25,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af8466d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:25, skipping insertion in model container [2018-11-23 13:04:25,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:25" (2/3) ... [2018-11-23 13:04:25,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af8466d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:25, skipping insertion in model container [2018-11-23 13:04:25,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:25" (3/3) ... [2018-11-23 13:04:25,856 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:25,880 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,880 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,880 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,880 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,881 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,881 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,881 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,882 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,883 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,883 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:25,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:04:25,887 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:04:25,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 13:04:25,902 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 13:04:25,918 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:04:25,919 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:04:25,919 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:04:25,919 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:04:25,919 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:04:25,919 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:04:25,919 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:04:25,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:04:25,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:04:25,925 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-11-23 13:04:25,933 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) [2018-11-23 13:04:25,935 INFO L168 Benchmark]: Toolchain (without parser) took 681.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:25,936 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:04:25,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:25,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.07 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:25,938 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:04:25,938 INFO L168 Benchmark]: RCFGBuilder took 185.97 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:25,939 INFO L168 Benchmark]: TraceAbstraction took 83.64 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: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:25,941 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.07 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.50 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 185.97 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.64 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: 11.5 MB). Peak memory consumption was 11.5 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-aa41828 [2018-11-23 13:04:27,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:04:27,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:04:27,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:04:27,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:04:27,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:04:27,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:04:27,365 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:04:27,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:04:27,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:04:27,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:04:27,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:04:27,368 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:04:27,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:04:27,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:04:27,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:04:27,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:04:27,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:04:27,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:04:27,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:04:27,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:04:27,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:04:27,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:04:27,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:04:27,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:04:27,378 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:04:27,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:04:27,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:04:27,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:04:27,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:04:27,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:04:27,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:04:27,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:04:27,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:04:27,382 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:04:27,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:04:27,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 13:04:27,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:04:27,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:04:27,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:04:27,393 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:04:27,393 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:04:27,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:04:27,393 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:04:27,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:04:27,394 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:04:27,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:04:27,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:04:27,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:04:27,396 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 13:04:27,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:04:27,397 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:04:27,397 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:04:27,397 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_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47dbddf2ec59f10e1d64e0e83594d8ffe8890b90 [2018-11-23 13:04:27,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:04:27,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:04:27,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:04:27,441 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:04:27,441 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:04:27,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:27,484 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/7425d0489/072e090a07764dac880dbd7597fff334/FLAGf36575e46 [2018-11-23 13:04:27,823 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:04:27,824 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/sv-benchmarks/c/pthread-ext/40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:27,832 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/7425d0489/072e090a07764dac880dbd7597fff334/FLAGf36575e46 [2018-11-23 13:04:27,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/data/7425d0489/072e090a07764dac880dbd7597fff334 [2018-11-23 13:04:27,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:04:27,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:04:27,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:27,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:04:27,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:04:27,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:27" (1/1) ... [2018-11-23 13:04:27,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6fd5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:27, skipping insertion in model container [2018-11-23 13:04:27,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:27" (1/1) ... [2018-11-23 13:04:27,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:04:27,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:04:28,127 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:28,138 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:04:28,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:28,248 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:04:28,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28 WrapperNode [2018-11-23 13:04:28,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:28,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:28,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:04:28,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:04:28,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:28,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:04:28,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:04:28,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:04:28,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... [2018-11-23 13:04:28,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:04:28,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:04:28,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:04:28,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:04:28,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b82350bc-38f0-44da-8da3-37bab9b5e472/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:04:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:04:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:04:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:04:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:04:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:04:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:04:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:04:28,337 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:04:28,410 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 13:04:28,411 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 13:04:28,411 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-11-23 13:04:28,412 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-11-23 13:04:28,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:04:28,492 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-23 13:04:28,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:28 BoogieIcfgContainer [2018-11-23 13:04:28,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:04:28,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:04:28,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:04:28,495 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:04:28,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:04:27" (1/3) ... [2018-11-23 13:04:28,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41dc4b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:28, skipping insertion in model container [2018-11-23 13:04:28,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28" (2/3) ... [2018-11-23 13:04:28,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41dc4b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:28, skipping insertion in model container [2018-11-23 13:04:28,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:28" (3/3) ... [2018-11-23 13:04:28,499 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf_false-unreach-call.i [2018-11-23 13:04:28,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,521 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,521 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,522 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,522 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,522 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,522 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,523 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,523 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:04:28,531 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:04:28,531 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:04:28,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 13:04:28,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 13:04:28,559 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:04:28,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:04:28,559 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:04:28,560 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:04:28,560 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:04:28,560 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:04:28,560 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:04:28,560 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:04:28,560 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:04:28,564 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33places, 35 transitions [2018-11-23 13:04:28,571 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) [2018-11-23 13:04:28,574 INFO L168 Benchmark]: Toolchain (without parser) took 731.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:28,575 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:04:28,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:28,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.56 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:28,576 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:04:28,577 INFO L168 Benchmark]: RCFGBuilder took 190.22 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. [2018-11-23 13:04:28,577 INFO L168 Benchmark]: TraceAbstraction took 80.42 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:04:28,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.56 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.43 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 190.22 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 80.42 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: 13.5 MB). Peak memory consumption was 13.5 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...