./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/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 0c8fce9252589b7d967772b8af9653738ad549f7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:22:09,854 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:22:09,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:22:09,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:22:09,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:22:09,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:22:09,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:22:09,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:22:09,868 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:22:09,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:22:09,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:22:09,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:22:09,870 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:22:09,871 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:22:09,872 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:22:09,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:22:09,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:22:09,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:22:09,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:22:09,877 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:22:09,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:22:09,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:22:09,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:22:09,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:22:09,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:22:09,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:22:09,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:22:09,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:22:09,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:22:09,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:22:09,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:22:09,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:22:09,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:22:09,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:22:09,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:22:09,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:22:09,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:22:09,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:22:09,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:22:09,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:22:09,898 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:22:09,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:22:09,898 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:22:09,898 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:22:09,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:22:09,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:22:09,900 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:22:09,900 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:22:09,900 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:22:09,900 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:22:09,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:22:09,900 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:22:09,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:22:09,901 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:22:09,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:22:09,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:22:09,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/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 -> 0c8fce9252589b7d967772b8af9653738ad549f7 [2018-11-28 12:22:09,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:22:09,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:22:09,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:22:09,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:22:09,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:22:09,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i [2018-11-28 12:22:09,979 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/data/b04aebbdd/c0d151d565ca4e30a605fb2c1e6e379e/FLAG26fd93aec [2018-11-28 12:22:10,359 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:22:10,359 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i [2018-11-28 12:22:10,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/data/b04aebbdd/c0d151d565ca4e30a605fb2c1e6e379e/FLAG26fd93aec [2018-11-28 12:22:10,748 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/data/b04aebbdd/c0d151d565ca4e30a605fb2c1e6e379e [2018-11-28 12:22:10,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:22:10,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:22:10,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:22:10,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:22:10,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:22:10,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:10" (1/1) ... [2018-11-28 12:22:10,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e115a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10, skipping insertion in model container [2018-11-28 12:22:10,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:10" (1/1) ... [2018-11-28 12:22:10,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:22:10,783 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:22:10,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:22:10,976 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:22:11,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:22:11,080 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:22:11,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11 WrapperNode [2018-11-28 12:22:11,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:22:11,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:22:11,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:22:11,081 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:22:11,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:22:11,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:22:11,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:22:11,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:22:11,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... [2018-11-28 12:22:11,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:22:11,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:22:11,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:22:11,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:22:11,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/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 [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-28 12:22:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-28 12:22:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-28 12:22:11,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-28 12:22:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-28 12:22:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:22:11,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:22:11,154 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 12:22:11,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:22:11,306 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 12:22:11,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11 BoogieIcfgContainer [2018-11-28 12:22:11,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:22:11,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:22:11,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:22:11,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:22:11,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:10" (1/3) ... [2018-11-28 12:22:11,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:11, skipping insertion in model container [2018-11-28 12:22:11,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:11" (2/3) ... [2018-11-28 12:22:11,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:11, skipping insertion in model container [2018-11-28 12:22:11,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11" (3/3) ... [2018-11-28 12:22:11,311 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt_true-unreach-call.i [2018-11-28 12:22:11,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,337 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,339 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:22:11,349 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 12:22:11,350 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:22:11,354 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:22:11,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:22:11,377 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:22:11,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:22:11,377 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:22:11,378 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:22:11,378 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:22:11,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:22:11,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:22:11,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:22:11,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:22:11,384 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 51 transitions [2018-11-28 12:22:11,466 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2383 states. [2018-11-28 12:22:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states. [2018-11-28 12:22:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 12:22:11,481 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:11,481 INFO L402 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] [2018-11-28 12:22:11,483 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:11,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:11,488 INFO L82 PathProgramCache]: Analyzing trace with hash 244532871, now seen corresponding path program 1 times [2018-11-28 12:22:11,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:11,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:11,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:11,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:11,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:11,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:11,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:22:11,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:22:11,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:22:11,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:22:11,702 INFO L87 Difference]: Start difference. First operand 2383 states. Second operand 4 states. [2018-11-28 12:22:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:11,784 INFO L93 Difference]: Finished difference Result 2491 states and 8067 transitions. [2018-11-28 12:22:11,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:22:11,785 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-11-28 12:22:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:11,803 INFO L225 Difference]: With dead ends: 2491 [2018-11-28 12:22:11,803 INFO L226 Difference]: Without dead ends: 1126 [2018-11-28 12:22:11,804 INFO L631 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 [2018-11-28 12:22:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-11-28 12:22:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2018-11-28 12:22:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-11-28 12:22:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3556 transitions. [2018-11-28 12:22:11,881 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3556 transitions. Word has length 28 [2018-11-28 12:22:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:11,881 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 3556 transitions. [2018-11-28 12:22:11,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:22:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3556 transitions. [2018-11-28 12:22:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 12:22:11,884 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:11,884 INFO L402 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] [2018-11-28 12:22:11,884 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:11,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:11,884 INFO L82 PathProgramCache]: Analyzing trace with hash 968273041, now seen corresponding path program 1 times [2018-11-28 12:22:11,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:11,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:11,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:11,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:11,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:11,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:11,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:22:11,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:22:11,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:22:11,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:22:11,956 INFO L87 Difference]: Start difference. First operand 1126 states and 3556 transitions. Second operand 5 states. [2018-11-28 12:22:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:12,020 INFO L93 Difference]: Finished difference Result 1166 states and 3550 transitions. [2018-11-28 12:22:12,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:22:12,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-28 12:22:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:12,025 INFO L225 Difference]: With dead ends: 1166 [2018-11-28 12:22:12,025 INFO L226 Difference]: Without dead ends: 1042 [2018-11-28 12:22:12,025 INFO L631 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 [2018-11-28 12:22:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-11-28 12:22:12,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2018-11-28 12:22:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-11-28 12:22:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 3241 transitions. [2018-11-28 12:22:12,045 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 3241 transitions. Word has length 29 [2018-11-28 12:22:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:12,045 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 3241 transitions. [2018-11-28 12:22:12,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:22:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 3241 transitions. [2018-11-28 12:22:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 12:22:12,047 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:12,047 INFO L402 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] [2018-11-28 12:22:12,048 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:12,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:12,048 INFO L82 PathProgramCache]: Analyzing trace with hash -747764909, now seen corresponding path program 1 times [2018-11-28 12:22:12,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:12,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:12,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:12,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:12,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:12,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:22:12,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:22:12,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:22:12,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:22:12,128 INFO L87 Difference]: Start difference. First operand 1042 states and 3241 transitions. Second operand 6 states. [2018-11-28 12:22:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:12,205 INFO L93 Difference]: Finished difference Result 818 states and 2377 transitions. [2018-11-28 12:22:12,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:22:12,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-28 12:22:12,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:12,208 INFO L225 Difference]: With dead ends: 818 [2018-11-28 12:22:12,208 INFO L226 Difference]: Without dead ends: 706 [2018-11-28 12:22:12,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:22:12,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-11-28 12:22:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2018-11-28 12:22:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-11-28 12:22:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2065 transitions. [2018-11-28 12:22:12,220 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2065 transitions. Word has length 30 [2018-11-28 12:22:12,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:12,221 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 2065 transitions. [2018-11-28 12:22:12,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:22:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2065 transitions. [2018-11-28 12:22:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 12:22:12,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:12,222 INFO L402 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] [2018-11-28 12:22:12,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:12,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:12,223 INFO L82 PathProgramCache]: Analyzing trace with hash 832052697, now seen corresponding path program 1 times [2018-11-28 12:22:12,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:12,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:12,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:12,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:12,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:12,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:22:12,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:22:12,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:22:12,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:22:12,323 INFO L87 Difference]: Start difference. First operand 706 states and 2065 transitions. Second operand 7 states. [2018-11-28 12:22:12,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:12,440 INFO L93 Difference]: Finished difference Result 1170 states and 3449 transitions. [2018-11-28 12:22:12,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:22:12,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-28 12:22:12,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:12,444 INFO L225 Difference]: With dead ends: 1170 [2018-11-28 12:22:12,444 INFO L226 Difference]: Without dead ends: 670 [2018-11-28 12:22:12,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:22:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-11-28 12:22:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-11-28 12:22:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-11-28 12:22:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1961 transitions. [2018-11-28 12:22:12,462 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1961 transitions. Word has length 31 [2018-11-28 12:22:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:12,462 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 1961 transitions. [2018-11-28 12:22:12,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:22:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1961 transitions. [2018-11-28 12:22:12,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 12:22:12,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:12,464 INFO L402 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] [2018-11-28 12:22:12,464 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:12,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:12,465 INFO L82 PathProgramCache]: Analyzing trace with hash 735486425, now seen corresponding path program 2 times [2018-11-28 12:22:12,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:12,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:12,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:22:12,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:12,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:12,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:22:12,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:22:12,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:22:12,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:22:12,532 INFO L87 Difference]: Start difference. First operand 670 states and 1961 transitions. Second operand 6 states. [2018-11-28 12:22:12,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:12,604 INFO L93 Difference]: Finished difference Result 1054 states and 3145 transitions. [2018-11-28 12:22:12,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:22:12,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-11-28 12:22:12,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:12,606 INFO L225 Difference]: With dead ends: 1054 [2018-11-28 12:22:12,607 INFO L226 Difference]: Without dead ends: 650 [2018-11-28 12:22:12,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:22:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-11-28 12:22:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-11-28 12:22:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-11-28 12:22:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1909 transitions. [2018-11-28 12:22:12,617 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1909 transitions. Word has length 31 [2018-11-28 12:22:12,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:12,618 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 1909 transitions. [2018-11-28 12:22:12,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:22:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1909 transitions. [2018-11-28 12:22:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 12:22:12,619 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:22:12,620 INFO L402 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] [2018-11-28 12:22:12,620 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:22:12,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:22:12,620 INFO L82 PathProgramCache]: Analyzing trace with hash 2049017953, now seen corresponding path program 3 times [2018-11-28 12:22:12,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:22:12,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:22:12,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:22:12,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:22:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:22:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:22:12,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:22:12,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:22:12,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:22:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:22:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:22:12,672 INFO L87 Difference]: Start difference. First operand 650 states and 1909 transitions. Second operand 6 states. [2018-11-28 12:22:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:22:12,726 INFO L93 Difference]: Finished difference Result 522 states and 1493 transitions. [2018-11-28 12:22:12,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:22:12,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-11-28 12:22:12,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:22:12,726 INFO L225 Difference]: With dead ends: 522 [2018-11-28 12:22:12,726 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:22:12,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:22:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:22:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:22:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:22:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:22:12,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-28 12:22:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:22:12,727 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:22:12,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:22:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:22:12,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:22:12,729 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 12:22:12,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:12 BasicIcfg [2018-11-28 12:22:12,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:22:12,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:22:12,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:22:12,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:22:12,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11" (3/4) ... [2018-11-28 12:22:12,733 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:22:12,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-28 12:22:12,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-28 12:22:12,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-11-28 12:22:12,740 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 12:22:12,741 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:22:12,767 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b6a9e831-cdd2-4180-9895-512945063fd1/bin-2019/uautomizer/witness.graphml [2018-11-28 12:22:12,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:22:12,768 INFO L168 Benchmark]: Toolchain (without parser) took 2018.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 862.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,769 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:12,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,770 INFO L168 Benchmark]: Boogie Preprocessor took 13.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:22:12,770 INFO L168 Benchmark]: RCFGBuilder took 185.85 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,770 INFO L168 Benchmark]: TraceAbstraction took 1423.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.1 MB in the end (delta: 217.8 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,771 INFO L168 Benchmark]: Witness Printer took 37.04 ms. Allocated memory is still 1.2 GB. Free memory was 866.1 MB in the beginning and 862.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:22:12,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 185.85 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1423.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.1 MB in the end (delta: 217.8 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.04 ms. Allocated memory is still 1.2 GB. Free memory was 866.1 MB in the beginning and 862.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 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, 69 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 350 SDtfs, 382 SDslu, 884 SDs, 0 SdLazy, 94 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 11526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...