./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/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 3cfa428164cc4018418f3463d01df342cd04666f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:37,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:37,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:37,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:37,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:37,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:37,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:37,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:37,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:37,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:37,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:37,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:37,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:37,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:37,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:37,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:37,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:37,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:37,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:37,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:37,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:37,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:37,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:37,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:37,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:37,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:37,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:37,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:37,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:37,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:37,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:37,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:37,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:37,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:37,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:37,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:37,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:37,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:37,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:37,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:37,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:37,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:52:37,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:37,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:37,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:37,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:37,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:37,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:37,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:37,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:37,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:37,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:37,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:37,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:37,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:37,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:37,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:37,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:37,930 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_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/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 -> 3cfa428164cc4018418f3463d01df342cd04666f [2019-11-25 08:52:38,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:38,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:38,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:38,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:38,078 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:38,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i [2019-11-25 08:52:38,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/data/a7759edaf/a16e0ea04bb4434da75386eaa6bab6e7/FLAG8a87c498d [2019-11-25 08:52:38,610 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:38,611 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/sv-benchmarks/c/pthread-wmm/safe011_tso.oepc.i [2019-11-25 08:52:38,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/data/a7759edaf/a16e0ea04bb4434da75386eaa6bab6e7/FLAG8a87c498d [2019-11-25 08:52:39,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/data/a7759edaf/a16e0ea04bb4434da75386eaa6bab6e7 [2019-11-25 08:52:39,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:39,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:39,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:39,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:39,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:39,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229ba9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39, skipping insertion in model container [2019-11-25 08:52:39,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:39,204 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:39,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:39,557 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:39,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:39,695 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:39,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39 WrapperNode [2019-11-25 08:52:39,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:39,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:39,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:39,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:39,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:39,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:39,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:39,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:39,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... [2019-11-25 08:52:39,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:39,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:39,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:39,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:39,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/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 [2019-11-25 08:52:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:52:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:52:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:52:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:52:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:52:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:52:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:52:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:52:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:52:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:52:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:39,861 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:52:40,165 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:40,165 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:52:40,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:40 BoogieIcfgContainer [2019-11-25 08:52:40,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:40,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:40,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:40,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:40,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:39" (1/3) ... [2019-11-25 08:52:40,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67010f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:40, skipping insertion in model container [2019-11-25 08:52:40,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:39" (2/3) ... [2019-11-25 08:52:40,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67010f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:40, skipping insertion in model container [2019-11-25 08:52:40,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:40" (3/3) ... [2019-11-25 08:52:40,172 INFO L109 eAbstractionObserver]: Analyzing ICFG safe011_tso.oepc.i [2019-11-25 08:52:40,211 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,212 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,212 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,212 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,212 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,212 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,213 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,213 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,213 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,213 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,214 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,214 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,214 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,214 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,215 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,215 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,215 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,215 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,216 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,216 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,216 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,216 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,217 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,217 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,217 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,217 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,217 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,218 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,218 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,218 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,218 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,219 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,219 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,219 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,219 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,219 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,220 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,220 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,220 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,220 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,221 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,221 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,221 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,221 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,222 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,222 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,222 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,222 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,223 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,223 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,223 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,223 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,223 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,224 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:40,266 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:52:40,266 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:40,273 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:52:40,283 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:52:40,300 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:40,300 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:40,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:40,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:40,301 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:40,301 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:40,301 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:40,301 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:40,312 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-25 08:52:40,456 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-25 08:52:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-25 08:52:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:52:40,486 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:40,487 INFO L410 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] [2019-11-25 08:52:40,487 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:40,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:40,493 INFO L82 PathProgramCache]: Analyzing trace with hash 472898366, now seen corresponding path program 1 times [2019-11-25 08:52:40,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:40,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936405280] [2019-11-25 08:52:40,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:40,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936405280] [2019-11-25 08:52:40,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:40,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:40,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088962118] [2019-11-25 08:52:40,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:40,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:40,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:40,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:40,830 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-25 08:52:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:40,922 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-25 08:52:40,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:52:40,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-25 08:52:40,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:40,954 INFO L225 Difference]: With dead ends: 1294 [2019-11-25 08:52:40,954 INFO L226 Difference]: Without dead ends: 600 [2019-11-25 08:52:40,955 INFO L630 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 [2019-11-25 08:52:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-25 08:52:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-25 08:52:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-25 08:52:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-25 08:52:41,049 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-25 08:52:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:41,050 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-25 08:52:41,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-25 08:52:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:52:41,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:41,053 INFO L410 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] [2019-11-25 08:52:41,053 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:41,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:41,054 INFO L82 PathProgramCache]: Analyzing trace with hash 364621560, now seen corresponding path program 1 times [2019-11-25 08:52:41,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:41,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155686978] [2019-11-25 08:52:41,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:41,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155686978] [2019-11-25 08:52:41,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:41,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:41,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911107092] [2019-11-25 08:52:41,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:41,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:41,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:41,182 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-25 08:52:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:41,265 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-25 08:52:41,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:41,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:52:41,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:41,275 INFO L225 Difference]: With dead ends: 600 [2019-11-25 08:52:41,275 INFO L226 Difference]: Without dead ends: 537 [2019-11-25 08:52:41,276 INFO L630 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 [2019-11-25 08:52:41,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-25 08:52:41,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-25 08:52:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-25 08:52:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-25 08:52:41,310 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-25 08:52:41,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:41,310 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-25 08:52:41,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-25 08:52:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:52:41,312 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:41,313 INFO L410 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] [2019-11-25 08:52:41,313 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:41,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:41,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1794873428, now seen corresponding path program 1 times [2019-11-25 08:52:41,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:41,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527118125] [2019-11-25 08:52:41,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:41,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527118125] [2019-11-25 08:52:41,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:41,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:52:41,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901991607] [2019-11-25 08:52:41,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:41,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:41,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:41,457 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-25 08:52:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:41,565 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-25 08:52:41,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:41,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:52:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:41,570 INFO L225 Difference]: With dead ends: 402 [2019-11-25 08:52:41,570 INFO L226 Difference]: Without dead ends: 348 [2019-11-25 08:52:41,571 INFO L630 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 [2019-11-25 08:52:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-25 08:52:41,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-25 08:52:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-25 08:52:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-25 08:52:41,590 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-25 08:52:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:41,591 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-25 08:52:41,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-25 08:52:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:52:41,594 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:41,594 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:41,594 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:41,595 INFO L82 PathProgramCache]: Analyzing trace with hash 742809250, now seen corresponding path program 1 times [2019-11-25 08:52:41,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:41,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106295399] [2019-11-25 08:52:41,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:41,766 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106295399] [2019-11-25 08:52:41,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:41,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:52:41,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536693197] [2019-11-25 08:52:41,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:41,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:41,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:41,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:41,768 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-11-25 08:52:41,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:41,900 INFO L93 Difference]: Finished difference Result 564 states and 1499 transitions. [2019-11-25 08:52:41,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:41,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:52:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:41,903 INFO L225 Difference]: With dead ends: 564 [2019-11-25 08:52:41,903 INFO L226 Difference]: Without dead ends: 279 [2019-11-25 08:52:41,904 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:52:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-25 08:52:41,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2019-11-25 08:52:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-11-25 08:52:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 725 transitions. [2019-11-25 08:52:41,916 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 725 transitions. Word has length 33 [2019-11-25 08:52:41,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:41,917 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 725 transitions. [2019-11-25 08:52:41,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 725 transitions. [2019-11-25 08:52:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:52:41,920 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:41,920 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:41,920 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:41,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:41,921 INFO L82 PathProgramCache]: Analyzing trace with hash 539120254, now seen corresponding path program 2 times [2019-11-25 08:52:41,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:41,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212426274] [2019-11-25 08:52:41,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:42,118 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212426274] [2019-11-25 08:52:42,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:42,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:52:42,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273313158] [2019-11-25 08:52:42,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:52:42,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:42,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:52:42,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:52:42,120 INFO L87 Difference]: Start difference. First operand 279 states and 725 transitions. Second operand 8 states. [2019-11-25 08:52:42,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:42,215 INFO L93 Difference]: Finished difference Result 225 states and 563 transitions. [2019-11-25 08:52:42,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:42,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-25 08:52:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:42,216 INFO L225 Difference]: With dead ends: 225 [2019-11-25 08:52:42,216 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:52:42,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:52:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:52:42,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:52:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:52:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:52:42,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:52:42,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:42,217 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:42,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:52:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:42,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:42,220 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:52:42,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:42 BasicIcfg [2019-11-25 08:52:42,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:42,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:42,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:42,224 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:42,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:40" (3/4) ... [2019-11-25 08:52:42,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:42,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:52:42,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:52:42,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:52:42,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:52:42,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:52:42,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:52:42,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_80c44396-5cd8-4876-b9fe-c1fbbdc871c7/bin/uautomizer/witness.graphml [2019-11-25 08:52:42,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:42,320 INFO L168 Benchmark]: Toolchain (without parser) took 3169.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.3 MB in the beginning and 874.7 MB in the end (delta: 64.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:42,321 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:42,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:42,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:42,322 INFO L168 Benchmark]: Boogie Preprocessor took 41.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:42,323 INFO L168 Benchmark]: RCFGBuilder took 363.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:42,327 INFO L168 Benchmark]: TraceAbstraction took 2055.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:42,328 INFO L168 Benchmark]: Witness Printer took 95.51 ms. Allocated memory is still 1.2 GB. Free memory was 879.5 MB in the beginning and 874.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:42,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 544.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.22 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 363.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2055.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. * Witness Printer took 95.51 ms. Allocated memory is still 1.2 GB. Free memory was 879.5 MB in the beginning and 874.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 222 SDtfs, 301 SDslu, 501 SDs, 0 SdLazy, 74 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 14106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...