./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-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_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 376411b509fa30f3972bf08d429083cb413425da ...................................................................................................................................................................................................................................................... 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_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 376411b509fa30f3972bf08d429083cb413425da ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 09:41:16,888 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:41:16,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:41:16,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:41:16,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:41:16,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:41:16,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:41:16,900 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:41:16,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:41:16,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:41:16,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:41:16,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:41:16,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:41:16,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:41:16,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:41:16,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:41:16,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:41:16,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:41:16,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:41:16,909 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:41:16,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:41:16,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:41:16,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:41:16,913 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:41:16,913 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:41:16,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:41:16,914 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:41:16,915 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:41:16,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:41:16,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:41:16,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:41:16,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:41:16,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:41:16,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:41:16,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:41:16,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:41:16,918 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 09:41:16,928 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:41:16,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:41:16,929 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:41:16,929 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:41:16,929 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 09:41:16,929 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 09:41:16,930 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 09:41:16,931 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 09:41:16,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:41:16,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:41:16,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:41:16,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:41:16,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:41:16,933 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:41:16,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:41:16,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:41:16,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:41:16,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:41:16,934 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 09:41:16,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:41:16,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:41:16,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 09:41:16,935 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376411b509fa30f3972bf08d429083cb413425da [2018-11-23 09:41:16,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:41:16,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:41:16,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:41:16,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:41:16,973 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:41:16,974 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:17,013 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/dfd09fcae/f5fd027b00834f71a63a6e9a7bf01fa8/FLAG91925b85a [2018-11-23 09:41:17,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:41:17,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:17,468 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/dfd09fcae/f5fd027b00834f71a63a6e9a7bf01fa8/FLAG91925b85a [2018-11-23 09:41:17,480 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/dfd09fcae/f5fd027b00834f71a63a6e9a7bf01fa8 [2018-11-23 09:41:17,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:41:17,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:41:17,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:17,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:41:17,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:41:17,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfc58e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17, skipping insertion in model container [2018-11-23 09:41:17,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:41:17,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:41:17,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:17,739 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:41:17,818 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:17,864 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:41:17,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17 WrapperNode [2018-11-23 09:41:17,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:17,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:17,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:41:17,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:41:17,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:17,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:41:17,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:41:17,899 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:41:17,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... [2018-11-23 09:41:17,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:41:17,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:41:17,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:41:17,919 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:41:17,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:41:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:41:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 09:41:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 09:41:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 09:41:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 09:41:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 09:41:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 09:41:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:41:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:41:17,962 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 09:41:18,181 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:41:18,181 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:41:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:18 BoogieIcfgContainer [2018-11-23 09:41:18,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:41:18,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:41:18,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:41:18,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:41:18,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:41:17" (1/3) ... [2018-11-23 09:41:18,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2597c700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:18, skipping insertion in model container [2018-11-23 09:41:18,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:17" (2/3) ... [2018-11-23 09:41:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2597c700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:18, skipping insertion in model container [2018-11-23 09:41:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:18" (3/3) ... [2018-11-23 09:41:18,187 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,214 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,217 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:18,224 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 09:41:18,224 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:41:18,229 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 09:41:18,242 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 09:41:18,265 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:41:18,266 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:41:18,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:41:18,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:41:18,266 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:41:18,266 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:41:18,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:41:18,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:41:18,273 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53places, 53 transitions [2018-11-23 09:41:18,291 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_thr2 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 09:41:18,297 INFO L168 Benchmark]: Toolchain (without parser) took 815.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,299 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:41:18,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,300 INFO L168 Benchmark]: Boogie Preprocessor took 19.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,301 INFO L168 Benchmark]: RCFGBuilder took 262.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,301 INFO L168 Benchmark]: TraceAbstraction took 115.13 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:18,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 262.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.13 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: 9.9 MB). Peak memory consumption was 9.9 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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 09:41:19,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:41:19,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:41:19,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:41:19,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:41:19,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:41:19,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:41:19,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:41:19,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:41:19,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:41:19,778 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:41:19,778 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:41:19,779 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:41:19,780 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:41:19,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:41:19,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:41:19,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:41:19,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:41:19,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:41:19,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:41:19,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:41:19,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:41:19,790 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:41:19,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:41:19,790 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:41:19,791 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:41:19,792 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:41:19,792 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:41:19,793 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:41:19,794 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:41:19,794 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:41:19,794 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:41:19,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:41:19,795 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:41:19,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:41:19,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:41:19,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 09:41:19,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:41:19,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:41:19,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:41:19,809 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:41:19,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 09:41:19,809 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 09:41:19,809 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 09:41:19,809 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 09:41:19,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 09:41:19,810 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 09:41:19,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:41:19,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:41:19,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:41:19,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:41:19,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:41:19,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:41:19,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 09:41:19,813 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 09:41:19,814 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_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376411b509fa30f3972bf08d429083cb413425da [2018-11-23 09:41:19,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:41:19,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:41:19,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:41:19,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:41:19,858 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:41:19,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:19,902 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/6a637bc83/46a993dc6e3f4b47beddeaebf8ff0155/FLAG423a1abea [2018-11-23 09:41:20,339 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:41:20,340 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:20,350 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/6a637bc83/46a993dc6e3f4b47beddeaebf8ff0155/FLAG423a1abea [2018-11-23 09:41:20,359 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/data/6a637bc83/46a993dc6e3f4b47beddeaebf8ff0155 [2018-11-23 09:41:20,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:41:20,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:41:20,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:20,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:41:20,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:41:20,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f2aca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20, skipping insertion in model container [2018-11-23 09:41:20,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:41:20,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:41:20,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:20,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:41:20,661 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:20,737 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:41:20,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20 WrapperNode [2018-11-23 09:41:20,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:20,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:20,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:41:20,739 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:41:20,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:20,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:41:20,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:41:20,770 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:41:20,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... [2018-11-23 09:41:20,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:41:20,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:41:20,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:41:20,793 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:41:20,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1144ed3a-cb6c-4fb9-a620-d52c95757527/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:41:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:41:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 09:41:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 09:41:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 09:41:20,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 09:41:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 09:41:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 09:41:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:41:20,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:41:20,829 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 09:41:21,011 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:41:21,011 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:41:21,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:21 BoogieIcfgContainer [2018-11-23 09:41:21,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:41:21,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:41:21,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:41:21,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:41:21,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:41:20" (1/3) ... [2018-11-23 09:41:21,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45033266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:21, skipping insertion in model container [2018-11-23 09:41:21,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:20" (2/3) ... [2018-11-23 09:41:21,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45033266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:21, skipping insertion in model container [2018-11-23 09:41:21,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:21" (3/3) ... [2018-11-23 09:41:21,017 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_variant_true-unreach-call.i [2018-11-23 09:41:21,041 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,041 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,041 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,041 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,041 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,042 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,042 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,043 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,044 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,044 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,044 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,044 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 09:41:21,052 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 09:41:21,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:41:21,057 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 09:41:21,066 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 09:41:21,080 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:41:21,080 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:41:21,080 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:41:21,080 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:41:21,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:41:21,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:41:21,081 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:41:21,081 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:41:21,081 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:41:21,086 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52places, 52 transitions [2018-11-23 09:41:21,100 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_thr2 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 09:41:21,103 INFO L168 Benchmark]: Toolchain (without parser) took 741.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:21,104 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 09:41:21,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:21,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:21,105 INFO L168 Benchmark]: Boogie Preprocessor took 23.30 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 09:41:21,106 INFO L168 Benchmark]: RCFGBuilder took 218.32 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:21,106 INFO L168 Benchmark]: TraceAbstraction took 90.56 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:21,110 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 375.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.30 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 218.32 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 90.56 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: 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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...