./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-array-1.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_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/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 bd7f48506d18b6e9cdd68178e930b6c5cab4d379 ................................................................................................................................................................................................................................ 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_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/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 bd7f48506d18b6e9cdd68178e930b6c5cab4d379 ............................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:41,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:41,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:41,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:41,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:41,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:41,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:41,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:41,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:41,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:41,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:41,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:41,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:41,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:41,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:41,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:41,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:41,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:41,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:41,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:41,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:41,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:41,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:41,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:41,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:41,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:41,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:41,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:41,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:41,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:41,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:41,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:41,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:41,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:41,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:41,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:41,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:41,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:41,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:41,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:41,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:41,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:41,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:41,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:41,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:41,933 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:41,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:41,933 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:41,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:41,933 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:41,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:41,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:41,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:41,934 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:41,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:41,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:41,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:41,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:41,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:41,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:41,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:41,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:41,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:41,938 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:41,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:41,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:41,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:41,938 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_af81f655-f154-4998-8570-5b28c16df7e4/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 -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-10-22 11:21:41,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:41,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:41,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:41,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:41,979 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:41,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-10-22 11:21:42,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/c4a753189/8c334a9cb18148faa4c8972559b7fd8c/FLAGde1927386 [2019-10-22 11:21:42,457 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:42,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-10-22 11:21:42,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/c4a753189/8c334a9cb18148faa4c8972559b7fd8c/FLAGde1927386 [2019-10-22 11:21:42,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/c4a753189/8c334a9cb18148faa4c8972559b7fd8c [2019-10-22 11:21:42,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:42,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:42,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:42,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:42,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:42,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ab216c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42, skipping insertion in model container [2019-10-22 11:21:42,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,854 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:42,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:43,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:43,316 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:43,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:43,447 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:43,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43 WrapperNode [2019-10-22 11:21:43,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:43,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:43,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:43,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:43,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:43,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:43,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:43,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:43,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:43,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:43,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:43,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:43,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/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 11:21:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:21:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:21:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-10-22 11:21:43,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-10-22 11:21:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:43,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:43,584 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 11:21:43,844 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:43,844 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:21:43,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:43 BoogieIcfgContainer [2019-10-22 11:21:43,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:43,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:43,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:43,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:43,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:42" (1/3) ... [2019-10-22 11:21:43,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b27d6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:43, skipping insertion in model container [2019-10-22 11:21:43,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (2/3) ... [2019-10-22 11:21:43,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b27d6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:43, skipping insertion in model container [2019-10-22 11:21:43,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:43" (3/3) ... [2019-10-22 11:21:43,854 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2019-10-22 11:21:43,920 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,920 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,920 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,920 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,921 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,921 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,921 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:43,949 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:21:43,950 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:43,957 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:43,967 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:43,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:43,986 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:43,986 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:43,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:43,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:43,987 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:43,987 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:43,987 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:43,997 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 72 transitions [2019-10-22 11:21:44,014 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_thr 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 11:21:44,023 INFO L168 Benchmark]: Toolchain (without parser) took 1185.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,027 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:44,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 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 11:21:44,030 INFO L168 Benchmark]: Boogie Preprocessor took 24.98 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 11:21:44,031 INFO L168 Benchmark]: RCFGBuilder took 334.44 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,032 INFO L168 Benchmark]: TraceAbstraction took 173.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 610.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.46 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 24.98 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 334.44 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 173.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr: 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 11:21:45,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:46,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:46,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:46,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:46,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:46,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:46,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:46,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:46,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:46,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:46,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:46,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:46,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:46,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:46,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:46,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:46,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:46,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:46,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:46,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:46,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:46,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:46,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:46,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:46,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:46,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:46,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:46,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:46,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:46,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:46,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:46,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:46,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:46,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:46,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:46,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:46,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:46,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:46,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:46,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:46,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:46,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:46,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:46,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:46,049 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:46,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:46,049 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:46,049 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:46,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:46,050 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:46,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:46,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:46,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:46,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:46,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:46,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:46,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:46,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:46,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:46,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:46,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:46,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:46,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:46,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:46,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:46,054 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_af81f655-f154-4998-8570-5b28c16df7e4/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 -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-10-22 11:21:46,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:46,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:46,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:46,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:46,093 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:46,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-10-22 11:21:46,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/66a6730a0/289a519fed0446ae8d4672ac0ef58c76/FLAG69b869458 [2019-10-22 11:21:46,573 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:46,574 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-10-22 11:21:46,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/66a6730a0/289a519fed0446ae8d4672ac0ef58c76/FLAG69b869458 [2019-10-22 11:21:46,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/bin/utaipan/data/66a6730a0/289a519fed0446ae8d4672ac0ef58c76 [2019-10-22 11:21:46,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:46,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:46,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:46,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:46,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:46,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:46" (1/1) ... [2019-10-22 11:21:46,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee199d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:46, skipping insertion in model container [2019-10-22 11:21:46,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:46" (1/1) ... [2019-10-22 11:21:46,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:46,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:47,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:47,363 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:47,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:47,480 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:47,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47 WrapperNode [2019-10-22 11:21:47,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:47,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:47,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:47,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:47,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:47,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:47,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:47,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:47,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:47,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:47,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:47,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:47,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af81f655-f154-4998-8570-5b28c16df7e4/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 11:21:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:21:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-10-22 11:21:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-10-22 11:21:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-10-22 11:21:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:21:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:47,601 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 11:21:47,874 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:47,874 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:21:47,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:47 BoogieIcfgContainer [2019-10-22 11:21:47,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:47,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:47,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:47,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:47,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:46" (1/3) ... [2019-10-22 11:21:47,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d8a536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:47, skipping insertion in model container [2019-10-22 11:21:47,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47" (2/3) ... [2019-10-22 11:21:47,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d8a536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:47, skipping insertion in model container [2019-10-22 11:21:47,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:47" (3/3) ... [2019-10-22 11:21:47,887 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2019-10-22 11:21:47,913 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,913 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,913 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,913 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,914 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,914 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,914 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:47,925 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:21:47,926 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:47,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:47,940 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:47,957 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:47,957 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:47,957 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:47,957 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:47,957 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:47,957 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:47,957 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:47,957 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:47,964 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 64 transitions [2019-10-22 11:21:47,989 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_thr 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 11:21:47,995 INFO L168 Benchmark]: Toolchain (without parser) took 1079.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,000 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:48,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,001 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 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. [2019-10-22 11:21:48,002 INFO L168 Benchmark]: RCFGBuilder took 323.53 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,002 INFO L168 Benchmark]: TraceAbstraction took 116.51 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.95 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.16 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 323.53 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 116.51 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr: 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...