./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/13_unverif.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/13_unverif.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf ................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/13_unverif.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:29,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:29,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:29,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:29,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:29,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:29,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:29,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:29,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:29,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:29,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:29,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:29,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:29,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:29,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:29,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:29,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:29,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:29,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:29,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:29,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:29,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:29,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:29,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:29,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:29,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:29,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:29,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:29,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:29,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:29,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:29,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:29,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:29,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:29,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:29,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:29,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:29,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:29,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:29,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:29,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:29,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:29,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:29,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:29,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:29,163 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:29,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:29,163 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:29,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:29,163 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:29,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:29,164 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:29,164 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:29,164 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:29,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:29,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:29,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:29,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:29,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:29,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:29,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:29,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:29,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:29,168 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:29,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:29,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:29,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:29,168 INFO L138 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_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 -> b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf [2019-10-22 11:22:29,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:29,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:29,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:29,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:29,207 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:29,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/../../sv-benchmarks/c/pthread-ext/13_unverif.i [2019-10-22 11:22:29,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/d43e3fa23/72481779a45648639217190c94e07ac9/FLAGf324517fa [2019-10-22 11:22:29,695 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:29,696 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/sv-benchmarks/c/pthread-ext/13_unverif.i [2019-10-22 11:22:29,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/d43e3fa23/72481779a45648639217190c94e07ac9/FLAGf324517fa [2019-10-22 11:22:29,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/d43e3fa23/72481779a45648639217190c94e07ac9 [2019-10-22 11:22:29,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:29,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:29,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:29,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:29,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:29,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344911ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29, skipping insertion in model container [2019-10-22 11:22:29,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,736 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:29,769 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:30,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:30,124 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:30,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:30,252 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:30,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30 WrapperNode [2019-10-22 11:22:30,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:30,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:30,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:30,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:30,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:30,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:30,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:30,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:30,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... [2019-10-22 11:22:30,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:30,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:30,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:30,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:30,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 [2019-10-22 11:22:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:22:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:22:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:30,424 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:22:30,585 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_r_returnLabel [2019-10-22 11:22:30,707 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:30,707 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 11:22:30,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:30 BoogieIcfgContainer [2019-10-22 11:22:30,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:30,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:30,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:30,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:30,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:29" (1/3) ... [2019-10-22 11:22:30,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9eb1b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:30, skipping insertion in model container [2019-10-22 11:22:30,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:30" (2/3) ... [2019-10-22 11:22:30,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9eb1b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:30, skipping insertion in model container [2019-10-22 11:22:30,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:30" (3/3) ... [2019-10-22 11:22:30,716 INFO L109 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2019-10-22 11:22:30,749 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,749 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,749 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,749 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,750 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,750 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,750 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,750 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,750 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,751 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,751 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:30,763 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:22:30,763 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:30,770 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:22:30,781 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:22:30,799 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:30,800 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:30,800 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:30,800 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:30,800 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:30,800 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:30,800 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:30,800 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:30,810 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 29 transitions [2019-10-22 11:22:30,824 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:30,830 INFO L168 Benchmark]: Toolchain (without parser) took 1107.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,831 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:30,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,835 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,837 INFO L168 Benchmark]: RCFGBuilder took 361.55 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,837 INFO L168 Benchmark]: TraceAbstraction took 118.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:30,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.00 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 361.55 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 118.54 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: 6.9 MB). Peak memory consumption was 6.9 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:32,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:32,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:32,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:32,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:32,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:32,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:32,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:32,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:32,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:32,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:32,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:33,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:33,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:33,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:33,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:33,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:33,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:33,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:33,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:33,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:33,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:33,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:33,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:33,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:33,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:33,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:33,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:33,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:33,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:33,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:33,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:33,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:33,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:33,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:33,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:33,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:33,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:33,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:33,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:33,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:33,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:33,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:33,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:33,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:33,064 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:33,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:33,064 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:33,064 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:33,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:33,065 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:33,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:33,066 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:33,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:33,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:33,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:33,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:33,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:33,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:33,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:33,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:33,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:33,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:33,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:33,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:33,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:33,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:33,070 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:33,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:33,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:33,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:33,070 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 -> b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf [2019-10-22 11:22:33,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:33,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:33,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:33,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:33,124 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:33,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/../../sv-benchmarks/c/pthread-ext/13_unverif.i [2019-10-22 11:22:33,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/1b609933e/b11b64c7016d4c74a7e4ebd6e8ac97e1/FLAG3efbb9d13 [2019-10-22 11:22:33,624 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:33,625 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/sv-benchmarks/c/pthread-ext/13_unverif.i [2019-10-22 11:22:33,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/1b609933e/b11b64c7016d4c74a7e4ebd6e8ac97e1/FLAG3efbb9d13 [2019-10-22 11:22:33,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/utaipan/data/1b609933e/b11b64c7016d4c74a7e4ebd6e8ac97e1 [2019-10-22 11:22:33,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:33,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:33,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:33,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:33,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:33,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:33" (1/1) ... [2019-10-22 11:22:33,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6922c898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:33, skipping insertion in model container [2019-10-22 11:22:33,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:33" (1/1) ... [2019-10-22 11:22:33,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:33,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:34,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:34,184 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:34,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:34,311 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:34,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34 WrapperNode [2019-10-22 11:22:34,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:34,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:34,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:34,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:34,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:34,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:34,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:34,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:34,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... [2019-10-22 11:22:34,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:34,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:34,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:34,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:34,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e85758e3-642f-477e-8aaa-deafc17b1651/bin/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 [2019-10-22 11:22:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:22:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:22:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:34,464 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:22:34,591 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_r_returnLabel [2019-10-22 11:22:34,710 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:34,711 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 11:22:34,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:34 BoogieIcfgContainer [2019-10-22 11:22:34,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:34,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:34,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:34,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:34,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:33" (1/3) ... [2019-10-22 11:22:34,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f494be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:34, skipping insertion in model container [2019-10-22 11:22:34,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:34" (2/3) ... [2019-10-22 11:22:34,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f494be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:34, skipping insertion in model container [2019-10-22 11:22:34,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:34" (3/3) ... [2019-10-22 11:22:34,724 INFO L109 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2019-10-22 11:22:34,755 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,755 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,755 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,755 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,756 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,756 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,756 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,756 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,757 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,757 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,757 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:34,764 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:22:34,764 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:34,770 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:22:34,779 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:22:34,793 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:34,793 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:34,793 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:34,793 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:34,793 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:34,793 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:34,794 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:34,794 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:34,799 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 29 transitions [2019-10-22 11:22:34,808 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:34,812 INFO L168 Benchmark]: Toolchain (without parser) took 1156.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,813 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:34,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.98 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,815 INFO L168 Benchmark]: Boogie Preprocessor took 30.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,815 INFO L168 Benchmark]: RCFGBuilder took 312.04 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,816 INFO L168 Benchmark]: TraceAbstraction took 97.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.98 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 312.04 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 97.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...