./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-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_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 3da4a1e4efac52b3833b356f923a11ea84a86af0 .................................................................................................................................................................................................................................................... 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_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 3da4a1e4efac52b3833b356f923a11ea84a86af0 ................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 11:26:59,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:59,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:59,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:59,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:59,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:59,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:59,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:59,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:59,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:59,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:59,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:59,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:59,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:59,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:59,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:59,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:59,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:59,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:59,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:59,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:59,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:59,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:59,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:59,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:59,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:59,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:59,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:59,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:59,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:59,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:59,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:59,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:59,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:59,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:59,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:59,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:59,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:59,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:59,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:59,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:59,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:59,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:59,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:59,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:59,937 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:59,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:59,937 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:59,937 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:59,938 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:59,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:59,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:59,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:59,938 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:59,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:59,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:59,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:59,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:59,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:59,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:59,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:59,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:59,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:59,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:59,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:59,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:59,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:59,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:59,951 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:59,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:59,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:59,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:59,951 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_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 -> 3da4a1e4efac52b3833b356f923a11ea84a86af0 [2019-10-22 11:26:59,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:59,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:59,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:59,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:59,999 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:00,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-10-22 11:27:00,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/2705df34b/e19c9d6756cb40d992ff5f9658e245c4/FLAG8879bf623 [2019-10-22 11:27:00,555 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:00,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-10-22 11:27:00,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/2705df34b/e19c9d6756cb40d992ff5f9658e245c4/FLAG8879bf623 [2019-10-22 11:27:00,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/2705df34b/e19c9d6756cb40d992ff5f9658e245c4 [2019-10-22 11:27:00,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:00,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:00,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:00,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:00,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:00,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:00" (1/1) ... [2019-10-22 11:27:00,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca44468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:00, skipping insertion in model container [2019-10-22 11:27:00,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:00" (1/1) ... [2019-10-22 11:27:00,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:00,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:01,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:01,253 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:01,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:01,340 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:01,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01 WrapperNode [2019-10-22 11:27:01,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:01,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:01,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:01,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:01,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:01,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:01,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:01,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:01,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:01,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:01,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:01,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:01,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 11:27:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 11:27:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 11:27:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:27:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:27:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-10-22 11:27:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:01,471 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 11:27:01,768 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:01,768 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:27:01,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:01 BoogieIcfgContainer [2019-10-22 11:27:01,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:01,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:01,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:01,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:01,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:00" (1/3) ... [2019-10-22 11:27:01,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d734d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:01, skipping insertion in model container [2019-10-22 11:27:01,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (2/3) ... [2019-10-22 11:27:01,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d734d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:01, skipping insertion in model container [2019-10-22 11:27:01,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:01" (3/3) ... [2019-10-22 11:27:01,777 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2019-10-22 11:27:01,810 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,811 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,811 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,811 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,811 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,812 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,812 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,812 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,813 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,813 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,813 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,813 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,814 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,814 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,814 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,814 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,815 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,815 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,815 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,815 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,815 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,816 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,816 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,816 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,816 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:01,828 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:27:01,828 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:01,835 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:27:01,843 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:27:01,856 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:01,856 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:01,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:01,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:01,857 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:01,857 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:01,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:01,857 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:01,865 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 63 transitions [2019-10-22 11:27:01,891 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_thr2 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 11:27:01,903 INFO L168 Benchmark]: Toolchain (without parser) took 1055.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:01,903 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:01,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:01,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.10 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 11:27:01,905 INFO L168 Benchmark]: Boogie Preprocessor took 31.10 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 11:27:01,905 INFO L168 Benchmark]: RCFGBuilder took 358.47 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:01,906 INFO L168 Benchmark]: TraceAbstraction took 130.60 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:01,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.10 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. * Boogie Preprocessor took 31.10 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 358.47 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130.60 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: 10.7 MB). Peak memory consumption was 10.7 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: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 11:27:03,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:03,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:03,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:03,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:03,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:03,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:03,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:03,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:03,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:03,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:03,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:03,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:03,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:03,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:03,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:03,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:03,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:03,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:03,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:03,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:03,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:03,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:03,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:03,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:03,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:03,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:03,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:03,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:03,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:03,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:03,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:03,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:03,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:03,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:03,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:03,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:03,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:03,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:03,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:03,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:03,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:03,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:03,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:03,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:03,968 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:03,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:03,969 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:03,969 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:03,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:03,969 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:03,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:03,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:03,971 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:03,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:03,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:03,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:03,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:03,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:03,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:03,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:03,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:03,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:03,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:03,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:03,973 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_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 -> 3da4a1e4efac52b3833b356f923a11ea84a86af0 [2019-10-22 11:27:04,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:04,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:04,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:04,024 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:04,025 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:04,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-10-22 11:27:04,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/bec38f4bd/45fc8130de874ed78f00611ae5f0d432/FLAG2f8719cca [2019-10-22 11:27:04,538 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:04,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-10-22 11:27:04,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/bec38f4bd/45fc8130de874ed78f00611ae5f0d432/FLAG2f8719cca [2019-10-22 11:27:05,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/bin/utaipan/data/bec38f4bd/45fc8130de874ed78f00611ae5f0d432 [2019-10-22 11:27:05,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:05,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:05,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:05,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:05,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:05,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a639e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05, skipping insertion in model container [2019-10-22 11:27:05,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:05,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:05,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:05,496 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:05,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:05,596 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:05,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05 WrapperNode [2019-10-22 11:27:05,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:05,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:05,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:05,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:05,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:05,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:05,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:05,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:05,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... [2019-10-22 11:27:05,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:05,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:05,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:05,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:05,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cffa2dd3-2d02-4ae9-b162-380f99df2e61/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 11:27:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 11:27:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 11:27:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:27:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:27:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-10-22 11:27:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:27:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:05,739 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 11:27:06,047 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:06,047 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:27:06,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:06 BoogieIcfgContainer [2019-10-22 11:27:06,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:06,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:06,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:06,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:06,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:05" (1/3) ... [2019-10-22 11:27:06,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3bb02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:06, skipping insertion in model container [2019-10-22 11:27:06,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:05" (2/3) ... [2019-10-22 11:27:06,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3bb02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:06, skipping insertion in model container [2019-10-22 11:27:06,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:06" (3/3) ... [2019-10-22 11:27:06,055 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2019-10-22 11:27:06,082 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,082 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,083 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,083 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,083 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,083 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,083 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,084 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,084 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,084 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,084 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,084 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,085 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,085 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,085 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,085 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,086 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,087 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,087 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:06,095 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:27:06,095 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:06,102 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:27:06,111 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:27:06,128 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:06,128 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:06,128 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:06,128 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:06,128 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:06,128 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:06,129 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:06,129 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:06,137 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 63 transitions [2019-10-22 11:27:06,160 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_thr2 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 11:27:06,163 INFO L168 Benchmark]: Toolchain (without parser) took 1109.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:06,164 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:06,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:06,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.57 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 11:27:06,165 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 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 11:27:06,166 INFO L168 Benchmark]: RCFGBuilder took 375.38 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:06,166 INFO L168 Benchmark]: TraceAbstraction took 112.57 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:06,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 543.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.57 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. * Boogie Preprocessor took 25.44 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 375.38 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 112.57 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: 13.0 MB). Peak memory consumption was 13.0 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...