./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/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 8c69bbcfd18e5b8c38f395482481d046ecc4f930 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:47:51,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:47:51,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:47:51,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:47:51,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:47:51,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:47:51,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:47:51,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:47:51,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:47:51,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:47:51,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:47:51,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:47:51,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:47:51,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:47:51,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:47:51,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:47:51,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:47:51,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:47:51,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:47:51,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:47:51,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:47:51,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:47:51,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:47:51,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:47:51,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:47:51,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:47:51,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:47:51,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:47:51,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:47:51,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:47:51,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:47:51,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:47:51,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:47:51,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:47:51,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:47:51,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:47:51,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:47:51,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:47:51,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:47:51,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:47:51,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:47:51,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:47:51,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:47:51,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:47:51,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:47:51,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:47:51,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:47:51,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:47:51,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:47:51,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:47:51,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:47:51,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:47:51,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:47:51,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:47:51,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:47:51,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:47:51,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:47:51,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:47:51,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:47:51,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:47:51,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:47:51,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:47:51,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:47:51,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:47:51,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:47:51,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:47:51,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:47:51,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:47:51,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:47:51,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:47:51,467 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_5c181d29-5fff-41d7-bdda-56f93e2743bd/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 -> 8c69bbcfd18e5b8c38f395482481d046ecc4f930 [2019-11-15 20:47:51,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:47:51,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:47:51,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:47:51,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:47:51,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:47:51,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe034_tso.oepc.i [2019-11-15 20:47:51,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/data/23b32d9c0/c44c96aba3104f5895ff9259f19169ad/FLAG9dadbf3df [2019-11-15 20:47:52,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:47:52,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/sv-benchmarks/c/pthread-wmm/safe034_tso.oepc.i [2019-11-15 20:47:52,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/data/23b32d9c0/c44c96aba3104f5895ff9259f19169ad/FLAG9dadbf3df [2019-11-15 20:47:52,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/data/23b32d9c0/c44c96aba3104f5895ff9259f19169ad [2019-11-15 20:47:52,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:47:52,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:47:52,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:47:52,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:47:52,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:47:52,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:52" (1/1) ... [2019-11-15 20:47:52,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6261af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:52, skipping insertion in model container [2019-11-15 20:47:52,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:52" (1/1) ... [2019-11-15 20:47:52,400 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:47:52,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:47:52,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:47:52,854 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:47:52,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:47:53,005 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:47:53,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53 WrapperNode [2019-11-15 20:47:53,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:47:53,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:47:53,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:47:53,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:47:53,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:47:53,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:47:53,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:47:53,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:47:53,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... [2019-11-15 20:47:53,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:47:53,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:47:53,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:47:53,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:47:53,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:47:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:47:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 20:47:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:47:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:47:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 20:47:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 20:47:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 20:47:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 20:47:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 20:47:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 20:47:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 20:47:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:47:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:47:53,160 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 20:47:53,455 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:47:53,455 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 20:47:53,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:47:53 BoogieIcfgContainer [2019-11-15 20:47:53,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:47:53,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:47:53,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:47:53,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:47:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:47:52" (1/3) ... [2019-11-15 20:47:53,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4f24fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:47:53, skipping insertion in model container [2019-11-15 20:47:53,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:53" (2/3) ... [2019-11-15 20:47:53,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4f24fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:47:53, skipping insertion in model container [2019-11-15 20:47:53,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:47:53" (3/3) ... [2019-11-15 20:47:53,463 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2019-11-15 20:47:53,491 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,491 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,492 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,492 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,492 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,492 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,493 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,493 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,493 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,493 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,493 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,494 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,494 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,494 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,494 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,494 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,495 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,495 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:47:53,505 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 20:47:53,505 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:47:53,512 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:47:53,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:47:53,536 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:47:53,536 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:47:53,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:47:53,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:47:53,537 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:47:53,537 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:47:53,537 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:47:53,537 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:47:53,545 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-15 20:47:53,625 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-15 20:47:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-15 20:47:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 20:47:53,658 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:53,659 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:53,661 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:53,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:53,666 INFO L82 PathProgramCache]: Analyzing trace with hash 666325175, now seen corresponding path program 1 times [2019-11-15 20:47:53,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:53,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893399438] [2019-11-15 20:47:53,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:53,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:53,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:54,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893399438] [2019-11-15 20:47:54,069 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:54,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:47:54,069 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542671062] [2019-11-15 20:47:54,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:47:54,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:47:54,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:47:54,090 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-15 20:47:54,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:54,175 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-15 20:47:54,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:47:54,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-15 20:47:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:54,198 INFO L225 Difference]: With dead ends: 1294 [2019-11-15 20:47:54,198 INFO L226 Difference]: Without dead ends: 600 [2019-11-15 20:47:54,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:47:54,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-15 20:47:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-15 20:47:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-15 20:47:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-15 20:47:54,283 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-15 20:47:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:54,283 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-15 20:47:54,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:47:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-15 20:47:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 20:47:54,286 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:54,286 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:54,287 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:54,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:54,287 INFO L82 PathProgramCache]: Analyzing trace with hash -51455569, now seen corresponding path program 1 times [2019-11-15 20:47:54,288 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:54,288 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952666065] [2019-11-15 20:47:54,288 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,288 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:54,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952666065] [2019-11-15 20:47:54,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:54,451 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 20:47:54,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799974834] [2019-11-15 20:47:54,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:47:54,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:54,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:47:54,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:47:54,454 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-15 20:47:54,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:54,526 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-15 20:47:54,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:47:54,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-15 20:47:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:54,532 INFO L225 Difference]: With dead ends: 600 [2019-11-15 20:47:54,532 INFO L226 Difference]: Without dead ends: 537 [2019-11-15 20:47:54,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:47:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-15 20:47:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-15 20:47:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-15 20:47:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-15 20:47:54,557 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-15 20:47:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:54,557 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-15 20:47:54,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:47:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-15 20:47:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 20:47:54,559 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:54,560 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:54,560 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:54,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:54,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1600217725, now seen corresponding path program 1 times [2019-11-15 20:47:54,560 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:54,561 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430420351] [2019-11-15 20:47:54,561 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,561 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:54,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430420351] [2019-11-15 20:47:54,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:54,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:47:54,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468243479] [2019-11-15 20:47:54,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:47:54,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:54,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:47:54,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:47:54,676 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-15 20:47:54,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:54,761 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-15 20:47:54,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:47:54,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 20:47:54,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:54,765 INFO L225 Difference]: With dead ends: 402 [2019-11-15 20:47:54,765 INFO L226 Difference]: Without dead ends: 348 [2019-11-15 20:47:54,765 INFO L600 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 [2019-11-15 20:47:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-15 20:47:54,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-15 20:47:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 20:47:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-15 20:47:54,777 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-15 20:47:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:54,778 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-15 20:47:54,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:47:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-15 20:47:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 20:47:54,779 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:54,780 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:54,780 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:54,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2099021300, now seen corresponding path program 1 times [2019-11-15 20:47:54,781 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:54,781 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651664976] [2019-11-15 20:47:54,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:54,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:54,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651664976] [2019-11-15 20:47:54,960 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:54,960 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:47:54,960 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168624211] [2019-11-15 20:47:54,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:47:54,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:54,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:47:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:47:54,962 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-15 20:47:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:55,097 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-11-15 20:47:55,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:47:55,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 20:47:55,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:55,100 INFO L225 Difference]: With dead ends: 519 [2019-11-15 20:47:55,100 INFO L226 Difference]: Without dead ends: 336 [2019-11-15 20:47:55,101 INFO L600 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 [2019-11-15 20:47:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-11-15 20:47:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2019-11-15 20:47:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-11-15 20:47:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 881 transitions. [2019-11-15 20:47:55,118 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 881 transitions. Word has length 33 [2019-11-15 20:47:55,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:55,118 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 881 transitions. [2019-11-15 20:47:55,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:47:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 881 transitions. [2019-11-15 20:47:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 20:47:55,122 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:55,122 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:55,123 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:55,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:55,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1113872654, now seen corresponding path program 2 times [2019-11-15 20:47:55,123 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:55,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870958560] [2019-11-15 20:47:55,125 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:55,125 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:55,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:55,271 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870958560] [2019-11-15 20:47:55,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:55,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:47:55,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233629337] [2019-11-15 20:47:55,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:47:55,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:55,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:47:55,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:47:55,273 INFO L87 Difference]: Start difference. First operand 336 states and 881 transitions. Second operand 6 states. [2019-11-15 20:47:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:55,373 INFO L93 Difference]: Finished difference Result 498 states and 1340 transitions. [2019-11-15 20:47:55,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:47:55,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 20:47:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:55,376 INFO L225 Difference]: With dead ends: 498 [2019-11-15 20:47:55,376 INFO L226 Difference]: Without dead ends: 264 [2019-11-15 20:47:55,377 INFO L600 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 [2019-11-15 20:47:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-15 20:47:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-15 20:47:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-15 20:47:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-15 20:47:55,386 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-15 20:47:55,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:55,387 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-15 20:47:55,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:47:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-15 20:47:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 20:47:55,389 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:47:55,389 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:47:55,389 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:47:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:47:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash -402769384, now seen corresponding path program 3 times [2019-11-15 20:47:55,393 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:47:55,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501744656] [2019-11-15 20:47:55,393 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:55,393 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:47:55,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:47:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:47:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:47:55,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501744656] [2019-11-15 20:47:55,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:47:55,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:47:55,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498326060] [2019-11-15 20:47:55,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:47:55,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:47:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:47:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:47:55,526 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-15 20:47:55,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:47:55,636 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-15 20:47:55,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:47:55,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 20:47:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:47:55,637 INFO L225 Difference]: With dead ends: 210 [2019-11-15 20:47:55,637 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:47:55,637 INFO L600 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 [2019-11-15 20:47:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:47:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:47:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:47:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:47:55,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 20:47:55,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:47:55,638 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:47:55,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:47:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:47:55,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:47:55,642 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 20:47:55,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:47:55 BasicIcfg [2019-11-15 20:47:55,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:47:55,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:47:55,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:47:55,645 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:47:55,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:47:53" (3/4) ... [2019-11-15 20:47:55,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:47:55,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 20:47:55,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 20:47:55,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 20:47:55,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 20:47:55,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 20:47:55,744 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c181d29-5fff-41d7-bdda-56f93e2743bd/bin/uautomizer/witness.graphml [2019-11-15 20:47:55,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:47:55,751 INFO L168 Benchmark]: Toolchain (without parser) took 3365.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 213.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:55,751 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:47:55,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:55,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.06 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. [2019-11-15 20:47:55,752 INFO L168 Benchmark]: Boogie Preprocessor took 25.77 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. [2019-11-15 20:47:55,753 INFO L168 Benchmark]: RCFGBuilder took 365.88 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. [2019-11-15 20:47:55,753 INFO L168 Benchmark]: TraceAbstraction took 2186.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 197.7 MB). Peak memory consumption was 197.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:55,754 INFO L168 Benchmark]: Witness Printer took 104.24 ms. Allocated memory is still 1.2 GB. Free memory was 875.3 MB in the beginning and 1.1 GB in the end (delta: -247.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:55,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 620.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.77 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 365.88 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 2186.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 197.7 MB). Peak memory consumption was 197.7 MB. Max. memory is 11.5 GB. * Witness Printer took 104.24 ms. Allocated memory is still 1.2 GB. Free memory was 875.3 MB in the beginning and 1.1 GB in the end (delta: -247.8 MB). Peak memory consumption was 12.0 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, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 337 SDslu, 769 SDs, 0 SdLazy, 96 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 14350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...