./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stateful01-2.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_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stateful01-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4a47048478df3e0b96f55978373f0c6fcefc18a ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:11,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:11,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:11,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:11,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:11,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:11,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:11,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:11,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:11,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:11,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:11,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:11,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:11,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:11,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:11,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:11,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:11,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:11,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:11,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:11,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:11,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:11,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:11,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:11,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:11,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:11,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:11,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:11,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:11,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:11,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:11,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:11,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:11,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:11,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:11,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:11,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:11,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:11,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:11,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:11,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:11,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:11,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:11,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:11,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:11,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:11,945 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:11,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:11,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:11,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:11,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:11,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:11,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:11,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:11,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:11,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:11,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:11,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:11,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:11,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:11,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4a47048478df3e0b96f55978373f0c6fcefc18a [2019-10-22 08:55:11,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:12,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:12,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:12,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:12,017 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:12,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/../../sv-benchmarks/c/pthread/stateful01-2.i [2019-10-22 08:55:12,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/data/94f90b58d/fe2b3ac65a7947669cab74b79961a780/FLAGc788a56db [2019-10-22 08:55:12,525 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:12,525 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/sv-benchmarks/c/pthread/stateful01-2.i [2019-10-22 08:55:12,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/data/94f90b58d/fe2b3ac65a7947669cab74b79961a780/FLAGc788a56db [2019-10-22 08:55:12,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/data/94f90b58d/fe2b3ac65a7947669cab74b79961a780 [2019-10-22 08:55:12,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:12,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:12,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:12,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:12,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:12,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:12" (1/1) ... [2019-10-22 08:55:12,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5238ffa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:12, skipping insertion in model container [2019-10-22 08:55:12,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:12" (1/1) ... [2019-10-22 08:55:12,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:12,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:13,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:13,274 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:13,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:13,395 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:13,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13 WrapperNode [2019-10-22 08:55:13,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:13,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:13,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:13,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:13,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:13,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:13,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:13,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:13,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:13,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:13,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:13,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:13,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-10-22 08:55:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-10-22 08:55:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-10-22 08:55:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:13,546 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 08:55:13,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:13,884 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:55:13,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:13 BoogieIcfgContainer [2019-10-22 08:55:13,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:13,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:13,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:13,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:13,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:12" (1/3) ... [2019-10-22 08:55:13,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc282e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:13, skipping insertion in model container [2019-10-22 08:55:13,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (2/3) ... [2019-10-22 08:55:13,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc282e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:13, skipping insertion in model container [2019-10-22 08:55:13,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:13" (3/3) ... [2019-10-22 08:55:13,892 INFO L109 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2019-10-22 08:55:13,922 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,922 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,923 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,923 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,923 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,923 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,923 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,924 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,924 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,924 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,924 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,924 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,925 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,925 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,925 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,925 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,926 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,926 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,926 WARN L315 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,926 WARN L315 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,926 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,927 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,927 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,927 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,927 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,927 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:55:13,954 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:55:13,954 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:13,966 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:55:13,976 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:55:13,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:13,995 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:13,995 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:13,996 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:13,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:13,996 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:13,996 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:13,996 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:14,005 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 75 transitions [2019-10-22 08:55:14,049 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 746 states. [2019-10-22 08:55:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states. [2019-10-22 08:55:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 08:55:14,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:14,069 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:14,071 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:14,076 INFO L82 PathProgramCache]: Analyzing trace with hash -263147525, now seen corresponding path program 1 times [2019-10-22 08:55:14,084 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:14,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357954160] [2019-10-22 08:55:14,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:14,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357954160] [2019-10-22 08:55:14,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:14,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:14,348 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619545063] [2019-10-22 08:55:14,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:14,352 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:14,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:14,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:14,367 INFO L87 Difference]: Start difference. First operand 746 states. Second operand 3 states. [2019-10-22 08:55:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:14,445 INFO L93 Difference]: Finished difference Result 566 states and 1170 transitions. [2019-10-22 08:55:14,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:14,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-22 08:55:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:14,466 INFO L225 Difference]: With dead ends: 566 [2019-10-22 08:55:14,468 INFO L226 Difference]: Without dead ends: 558 [2019-10-22 08:55:14,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:14,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2019-10-22 08:55:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2019-10-22 08:55:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-10-22 08:55:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1162 transitions. [2019-10-22 08:55:14,549 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1162 transitions. Word has length 64 [2019-10-22 08:55:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:14,549 INFO L462 AbstractCegarLoop]: Abstraction has 558 states and 1162 transitions. [2019-10-22 08:55:14,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1162 transitions. [2019-10-22 08:55:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 08:55:14,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:14,552 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:14,553 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:14,553 INFO L82 PathProgramCache]: Analyzing trace with hash -212387009, now seen corresponding path program 2 times [2019-10-22 08:55:14,553 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:14,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962821140] [2019-10-22 08:55:14,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:14,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962821140] [2019-10-22 08:55:14,784 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:14,784 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:14,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852918929] [2019-10-22 08:55:14,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:55:14,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:14,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:14,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:14,792 INFO L87 Difference]: Start difference. First operand 558 states and 1162 transitions. Second operand 6 states. [2019-10-22 08:55:14,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:14,886 INFO L93 Difference]: Finished difference Result 752 states and 1567 transitions. [2019-10-22 08:55:14,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:14,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-10-22 08:55:14,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:14,889 INFO L225 Difference]: With dead ends: 752 [2019-10-22 08:55:14,889 INFO L226 Difference]: Without dead ends: 381 [2019-10-22 08:55:14,890 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:55:14,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-22 08:55:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2019-10-22 08:55:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-22 08:55:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 776 transitions. [2019-10-22 08:55:14,918 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 776 transitions. Word has length 64 [2019-10-22 08:55:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:14,919 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 776 transitions. [2019-10-22 08:55:14,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:55:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 776 transitions. [2019-10-22 08:55:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 08:55:14,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:14,924 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:14,925 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:14,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:14,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1591290413, now seen corresponding path program 3 times [2019-10-22 08:55:14,927 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:14,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649899701] [2019-10-22 08:55:14,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:15,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649899701] [2019-10-22 08:55:15,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:15,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:15,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922832491] [2019-10-22 08:55:15,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:55:15,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:15,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:15,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:15,068 INFO L87 Difference]: Start difference. First operand 381 states and 776 transitions. Second operand 6 states. [2019-10-22 08:55:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:15,129 INFO L93 Difference]: Finished difference Result 379 states and 774 transitions. [2019-10-22 08:55:15,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:15,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-10-22 08:55:15,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:15,131 INFO L225 Difference]: With dead ends: 379 [2019-10-22 08:55:15,132 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:15,132 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:55:15,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:15,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-10-22 08:55:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:15,133 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:15,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:55:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:15,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:15,137 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 08:55:15,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:15 BasicIcfg [2019-10-22 08:55:15,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:15,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:15,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:15,142 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:15,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:13" (3/4) ... [2019-10-22 08:55:15,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:15,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-10-22 08:55:15,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2019-10-22 08:55:15,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:55:15,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:55:15,208 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8f2be74-af5f-4668-9a90-14e7e9670184/bin/uautomizer/witness.graphml [2019-10-22 08:55:15,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:15,211 INFO L168 Benchmark]: Toolchain (without parser) took 2362.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 961.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,211 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:15,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.03 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,212 INFO L168 Benchmark]: Boogie Preprocessor took 35.84 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,213 INFO L168 Benchmark]: RCFGBuilder took 402.12 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,213 INFO L168 Benchmark]: TraceAbstraction took 1255.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.2 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,221 INFO L168 Benchmark]: Witness Printer took 67.68 ms. Allocated memory is still 1.2 GB. Free memory was 963.2 MB in the beginning and 961.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:15,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.03 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.84 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 402.12 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1255.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.2 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. * Witness Printer took 67.68 ms. Allocated memory is still 1.2 GB. Free memory was 963.2 MB in the beginning and 961.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 103 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 91 SDslu, 630 SDs, 0 SdLazy, 60 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=746occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 44793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...