./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.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/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/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 292c8310df31104212c78575bcccd1c085aba02b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:54:01,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:54:01,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:54:01,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:54:01,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:54:01,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:54:01,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:54:01,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:54:01,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:54:01,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:54:01,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:54:01,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:54:01,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:54:01,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:54:01,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:54:01,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:54:01,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:54:01,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:54:01,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:54:01,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:54:01,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:54:01,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:54:01,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:54:01,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:54:01,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:54:01,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:54:01,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:54:01,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:54:01,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:54:01,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:54:01,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:54:01,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:54:01,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:54:01,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:54:01,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:54:01,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:54:01,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:54:01,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:54:01,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:54:01,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:54:01,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:54:01,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:54:01,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:54:01,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:54:01,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:54:01,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:54:01,872 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:54:01,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:54:01,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:54:01,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:54:01,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:54:01,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:54:01,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:54:01,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:54:01,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:54:01,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:54:01,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:54:01,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:54:01,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:54:01,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:54:01,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:54:01,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:54:01,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:54:01,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:54:01,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:54:01,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:54:01,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:54:01,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:54:01,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:54:01,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:54:01,881 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/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/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 -> 292c8310df31104212c78575bcccd1c085aba02b [2019-11-15 22:54:01,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:54:01,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:54:01,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:54:01,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:54:01,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:54:01,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i [2019-11-15 22:54:02,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/data/818571cae/12c1c59faca64a828281cca14aa5ca58/FLAG644a2a6fc [2019-11-15 22:54:02,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:54:02,671 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i [2019-11-15 22:54:02,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/data/818571cae/12c1c59faca64a828281cca14aa5ca58/FLAG644a2a6fc [2019-11-15 22:54:02,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/data/818571cae/12c1c59faca64a828281cca14aa5ca58 [2019-11-15 22:54:02,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:54:02,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:54:02,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:54:02,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:54:02,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:54:02,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:54:02" (1/1) ... [2019-11-15 22:54:02,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c328f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:02, skipping insertion in model container [2019-11-15 22:54:02,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:54:02" (1/1) ... [2019-11-15 22:54:02,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:54:02,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:54:03,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:54:03,516 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:54:03,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:54:03,670 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:54:03,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03 WrapperNode [2019-11-15 22:54:03,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:54:03,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:54:03,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:54:03,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:54:03,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:54:03,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:54:03,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:54:03,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:54:03,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... [2019-11-15 22:54:03,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:54:03,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:54:03,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:54:03,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:54:03,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/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 [2019-11-15 22:54:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:54:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 22:54:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:54:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:54:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 22:54:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 22:54:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 22:54:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 22:54:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 22:54:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 22:54:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 22:54:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:54:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:54:03,871 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:54:04,336 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:54:04,336 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:54:04,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:54:04 BoogieIcfgContainer [2019-11-15 22:54:04,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:54:04,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:54:04,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:54:04,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:54:04,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:54:02" (1/3) ... [2019-11-15 22:54:04,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c0d245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:54:04, skipping insertion in model container [2019-11-15 22:54:04,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:54:03" (2/3) ... [2019-11-15 22:54:04,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c0d245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:54:04, skipping insertion in model container [2019-11-15 22:54:04,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:54:04" (3/3) ... [2019-11-15 22:54:04,346 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_tso.opt.i [2019-11-15 22:54:04,386 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,386 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,386 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,387 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,387 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,387 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,388 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,388 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,388 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,389 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,389 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,389 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,390 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,390 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,390 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,391 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,391 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,391 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:54:04,404 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:54:04,404 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:54:04,414 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:54:04,428 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:54:04,451 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:54:04,451 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:54:04,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:54:04,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:54:04,452 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:54:04,452 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:54:04,452 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:54:04,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:54:04,463 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 22:54:04,555 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 22:54:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 22:54:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 22:54:04,576 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:04,577 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] [2019-11-15 22:54:04,580 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash 244881394, now seen corresponding path program 1 times [2019-11-15 22:54:04,596 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:04,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915089271] [2019-11-15 22:54:04,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:04,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:04,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:05,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915089271] [2019-11-15 22:54:05,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:05,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:54:05,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304437703] [2019-11-15 22:54:05,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:54:05,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:05,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:54:05,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:54:05,058 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 22:54:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:05,218 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 22:54:05,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:54:05,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 22:54:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:05,250 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 22:54:05,250 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 22:54:05,253 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:54:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 22:54:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 22:54:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 22:54:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 22:54:05,396 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 22:54:05,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:05,397 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 22:54:05,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:54:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 22:54:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:54:05,402 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:05,402 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] [2019-11-15 22:54:05,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:05,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1357266892, now seen corresponding path program 1 times [2019-11-15 22:54:05,403 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:05,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434189942] [2019-11-15 22:54:05,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:05,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:05,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:05,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434189942] [2019-11-15 22:54:05,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:05,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:54:05,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022920858] [2019-11-15 22:54:05,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:54:05,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:05,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:54:05,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:54:05,606 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 22:54:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:05,704 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 22:54:05,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:54:05,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 22:54:05,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:05,713 INFO L225 Difference]: With dead ends: 599 [2019-11-15 22:54:05,713 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 22:54:05,715 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:54:05,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 22:54:05,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 22:54:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 22:54:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 22:54:05,752 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 22:54:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:05,753 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 22:54:05,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:54:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 22:54:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:54:05,760 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:05,760 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] [2019-11-15 22:54:05,760 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:05,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:05,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1868727119, now seen corresponding path program 1 times [2019-11-15 22:54:05,761 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:05,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441214018] [2019-11-15 22:54:05,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:05,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:05,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:05,964 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441214018] [2019-11-15 22:54:05,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:05,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:54:05,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576292625] [2019-11-15 22:54:05,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:54:05,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:05,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:54:05,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:54:05,967 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 22:54:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:06,104 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 22:54:06,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:54:06,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 22:54:06,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:06,109 INFO L225 Difference]: With dead ends: 401 [2019-11-15 22:54:06,109 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 22:54:06,110 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:54:06,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 22:54:06,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 22:54:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 22:54:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 22:54:06,127 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 22:54:06,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:06,128 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 22:54:06,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:54:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 22:54:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:54:06,131 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:06,131 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] [2019-11-15 22:54:06,132 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:06,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1380762003, now seen corresponding path program 1 times [2019-11-15 22:54:06,133 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:06,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883127646] [2019-11-15 22:54:06,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:06,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:06,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:06,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883127646] [2019-11-15 22:54:06,356 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:06,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:54:06,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468243479] [2019-11-15 22:54:06,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:54:06,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:06,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:54:06,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:54:06,358 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-15 22:54:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:06,549 INFO L93 Difference]: Finished difference Result 518 states and 1393 transitions. [2019-11-15 22:54:06,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:54:06,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 22:54:06,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:06,554 INFO L225 Difference]: With dead ends: 518 [2019-11-15 22:54:06,554 INFO L226 Difference]: Without dead ends: 275 [2019-11-15 22:54:06,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:54:06,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-15 22:54:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2019-11-15 22:54:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-15 22:54:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 724 transitions. [2019-11-15 22:54:06,571 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 724 transitions. Word has length 32 [2019-11-15 22:54:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:06,572 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 724 transitions. [2019-11-15 22:54:06,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:54:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 724 transitions. [2019-11-15 22:54:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:54:06,577 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:06,577 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] [2019-11-15 22:54:06,577 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:06,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1836897105, now seen corresponding path program 2 times [2019-11-15 22:54:06,578 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:06,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853958535] [2019-11-15 22:54:06,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:06,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:06,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:06,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853958535] [2019-11-15 22:54:06,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:06,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:54:06,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982610737] [2019-11-15 22:54:06,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:54:06,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:06,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:54:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:54:06,813 INFO L87 Difference]: Start difference. First operand 275 states and 724 transitions. Second operand 7 states. [2019-11-15 22:54:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:07,027 INFO L93 Difference]: Finished difference Result 437 states and 1183 transitions. [2019-11-15 22:54:07,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:54:07,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 22:54:07,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:07,031 INFO L225 Difference]: With dead ends: 437 [2019-11-15 22:54:07,031 INFO L226 Difference]: Without dead ends: 251 [2019-11-15 22:54:07,032 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:54:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-15 22:54:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2019-11-15 22:54:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-15 22:54:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 670 transitions. [2019-11-15 22:54:07,045 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 670 transitions. Word has length 32 [2019-11-15 22:54:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:07,046 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 670 transitions. [2019-11-15 22:54:07,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:54:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 670 transitions. [2019-11-15 22:54:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:54:07,048 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:54:07,048 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] [2019-11-15 22:54:07,049 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:54:07,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:54:07,049 INFO L82 PathProgramCache]: Analyzing trace with hash -2094306067, now seen corresponding path program 3 times [2019-11-15 22:54:07,049 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:54:07,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932628208] [2019-11-15 22:54:07,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:07,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:54:07,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:54:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:54:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:54:07,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932628208] [2019-11-15 22:54:07,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:54:07,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:54:07,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354621328] [2019-11-15 22:54:07,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:54:07,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:54:07,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:54:07,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:54:07,183 INFO L87 Difference]: Start difference. First operand 251 states and 670 transitions. Second operand 7 states. [2019-11-15 22:54:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:54:07,320 INFO L93 Difference]: Finished difference Result 197 states and 508 transitions. [2019-11-15 22:54:07,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:54:07,320 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 22:54:07,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:54:07,321 INFO L225 Difference]: With dead ends: 197 [2019-11-15 22:54:07,321 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:54:07,321 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:54:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:54:07,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:54:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:54:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:54:07,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 22:54:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:54:07,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:54:07,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:54:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:54:07,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:54:07,327 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:54:07,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:54:07 BasicIcfg [2019-11-15 22:54:07,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:54:07,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:54:07,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:54:07,331 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:54:07,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:54:04" (3/4) ... [2019-11-15 22:54:07,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:54:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 22:54:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 22:54:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 22:54:07,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 22:54:07,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 22:54:07,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6eea9041-e206-4549-bc9d-10957a1f6f00/bin/uautomizer/witness.graphml [2019-11-15 22:54:07,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:54:07,448 INFO L168 Benchmark]: Toolchain (without parser) took 4530.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 943.4 MB in the beginning and 830.9 MB in the end (delta: 112.6 MB). Peak memory consumption was 226.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:54:07,449 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:54:07,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:54:07,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:54:07,451 INFO L168 Benchmark]: Boogie Preprocessor took 33.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:54:07,451 INFO L168 Benchmark]: RCFGBuilder took 573.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:54:07,452 INFO L168 Benchmark]: TraceAbstraction took 2991.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 838.0 MB in the end (delta: 206.5 MB). Peak memory consumption was 206.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:54:07,459 INFO L168 Benchmark]: Witness Printer took 115.25 ms. Allocated memory is still 1.1 GB. Free memory was 838.0 MB in the beginning and 830.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:54:07,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 573.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2991.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 838.0 MB in the end (delta: 206.5 MB). Peak memory consumption was 206.5 MB. Max. memory is 11.5 GB. * Witness Printer took 115.25 ms. Allocated memory is still 1.1 GB. Free memory was 838.0 MB in the beginning and 830.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 7 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 277 SDtfs, 370 SDslu, 675 SDs, 0 SdLazy, 107 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 15950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...