./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b0053bdf686dfd71852eb7a4da7b05d3938e7e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:12:13,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:12:13,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:12:14,005 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:12:14,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:12:14,006 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:12:14,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:12:14,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:12:14,009 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:12:14,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:12:14,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:12:14,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:12:14,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:12:14,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:12:14,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:12:14,013 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:12:14,014 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:12:14,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:12:14,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:12:14,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:12:14,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:12:14,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:12:14,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:12:14,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:12:14,021 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:12:14,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:12:14,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:12:14,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:12:14,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:12:14,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:12:14,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:12:14,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:12:14,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:12:14,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:12:14,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:12:14,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:12:14,028 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:12:14,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:12:14,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:12:14,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:12:14,035 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:12:14,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:12:14,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:12:14,036 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:12:14,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:12:14,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:12:14,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:12:14,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:12:14,037 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:12:14,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:12:14,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:12:14,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0053bdf686dfd71852eb7a4da7b05d3938e7e9 [2018-11-23 06:12:14,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:12:14,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:12:14,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:12:14,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:12:14,069 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:12:14,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc_true-unreach-call.i [2018-11-23 06:12:14,105 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/data/72662d21a/158d8cdd1e224c27a60aecadc56c0e03/FLAG23254ca19 [2018-11-23 06:12:14,446 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:12:14,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/sv-benchmarks/c/pthread-wmm/safe037_pso.oepc_true-unreach-call.i [2018-11-23 06:12:14,453 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/data/72662d21a/158d8cdd1e224c27a60aecadc56c0e03/FLAG23254ca19 [2018-11-23 06:12:14,462 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/data/72662d21a/158d8cdd1e224c27a60aecadc56c0e03 [2018-11-23 06:12:14,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:12:14,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:12:14,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:12:14,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:12:14,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:12:14,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed6b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14, skipping insertion in model container [2018-11-23 06:12:14,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:12:14,509 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:12:14,718 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:12:14,729 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:12:14,803 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:12:14,850 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:12:14,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14 WrapperNode [2018-11-23 06:12:14,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:12:14,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:12:14,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:12:14,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:12:14,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:12:14,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:12:14,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:12:14,890 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:12:14,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... [2018-11-23 06:12:14,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:12:14,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:12:14,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:12:14,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:12:14,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:12:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-23 06:12:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-23 06:12:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-23 06:12:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-23 06:12:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-23 06:12:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 06:12:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:12:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:12:14,963 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 06:12:15,189 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:12:15,189 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 06:12:15,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:12:15 BoogieIcfgContainer [2018-11-23 06:12:15,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:12:15,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:12:15,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:12:15,193 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:12:15,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:12:14" (1/3) ... [2018-11-23 06:12:15,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b1ff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:12:15, skipping insertion in model container [2018-11-23 06:12:15,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:12:14" (2/3) ... [2018-11-23 06:12:15,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b1ff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:12:15, skipping insertion in model container [2018-11-23 06:12:15,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:12:15" (3/3) ... [2018-11-23 06:12:15,197 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037_pso.oepc_true-unreach-call.i [2018-11-23 06:12:15,226 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,226 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,226 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,227 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,227 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,227 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,227 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,227 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,228 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:12:15,242 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 06:12:15,243 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:12:15,249 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:12:15,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:12:15,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:12:15,279 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:12:15,279 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:12:15,279 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:12:15,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:12:15,279 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:12:15,279 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:12:15,279 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:12:15,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:12:15,286 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57places, 54 transitions [2018-11-23 06:12:15,383 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2018-11-23 06:12:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2018-11-23 06:12:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 06:12:15,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:15,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:15,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:15,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:15,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1034238462, now seen corresponding path program 1 times [2018-11-23 06:12:15,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:15,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:15,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:15,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:12:15,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:15,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:15,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:12:15,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:12:15,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:12:15,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:12:15,616 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2018-11-23 06:12:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:15,697 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2018-11-23 06:12:15,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:12:15,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-11-23 06:12:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:15,719 INFO L225 Difference]: With dead ends: 2494 [2018-11-23 06:12:15,719 INFO L226 Difference]: Without dead ends: 1129 [2018-11-23 06:12:15,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:12:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2018-11-23 06:12:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2018-11-23 06:12:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2018-11-23 06:12:15,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2018-11-23 06:12:15,807 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2018-11-23 06:12:15,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:15,808 INFO L480 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2018-11-23 06:12:15,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:12:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2018-11-23 06:12:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 06:12:15,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:15,812 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:15,812 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:15,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:15,812 INFO L82 PathProgramCache]: Analyzing trace with hash -358958448, now seen corresponding path program 1 times [2018-11-23 06:12:15,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:15,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:15,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:15,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:12:15,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:15,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:15,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:12:15,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:12:15,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:12:15,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:12:15,893 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2018-11-23 06:12:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:15,980 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2018-11-23 06:12:15,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:12:15,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 06:12:15,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:15,985 INFO L225 Difference]: With dead ends: 1169 [2018-11-23 06:12:15,985 INFO L226 Difference]: Without dead ends: 1045 [2018-11-23 06:12:15,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:12:15,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-11-23 06:12:16,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2018-11-23 06:12:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-11-23 06:12:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2018-11-23 06:12:16,012 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2018-11-23 06:12:16,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:16,012 INFO L480 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2018-11-23 06:12:16,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:12:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2018-11-23 06:12:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 06:12:16,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:16,016 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:16,016 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:16,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:16,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1331314864, now seen corresponding path program 1 times [2018-11-23 06:12:16,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:16,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:16,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:12:16,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:16,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:16,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:12:16,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:12:16,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:12:16,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:12:16,121 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2018-11-23 06:12:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:16,233 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2018-11-23 06:12:16,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:12:16,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-11-23 06:12:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:16,237 INFO L225 Difference]: With dead ends: 821 [2018-11-23 06:12:16,237 INFO L226 Difference]: Without dead ends: 709 [2018-11-23 06:12:16,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:12:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-11-23 06:12:16,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-11-23 06:12:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-11-23 06:12:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2018-11-23 06:12:16,258 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2018-11-23 06:12:16,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:16,258 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2018-11-23 06:12:16,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:12:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2018-11-23 06:12:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 06:12:16,260 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:16,260 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:16,261 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:16,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:16,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2128311482, now seen corresponding path program 1 times [2018-11-23 06:12:16,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:16,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:12:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:16,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:16,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:12:16,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:12:16,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:12:16,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:12:16,391 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 7 states. [2018-11-23 06:12:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:16,547 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2018-11-23 06:12:16,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:12:16,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-23 06:12:16,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:16,551 INFO L225 Difference]: With dead ends: 1109 [2018-11-23 06:12:16,551 INFO L226 Difference]: Without dead ends: 593 [2018-11-23 06:12:16,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:12:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-11-23 06:12:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2018-11-23 06:12:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-11-23 06:12:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2018-11-23 06:12:16,568 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2018-11-23 06:12:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:16,569 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2018-11-23 06:12:16,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:12:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2018-11-23 06:12:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 06:12:16,570 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:16,570 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:16,571 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:16,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:16,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1304882406, now seen corresponding path program 2 times [2018-11-23 06:12:16,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:16,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:16,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:12:16,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:16,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:16,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 06:12:16,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:12:16,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:12:16,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:12:16,731 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 8 states. [2018-11-23 06:12:16,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:16,989 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2018-11-23 06:12:16,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:12:16,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-11-23 06:12:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:16,997 INFO L225 Difference]: With dead ends: 977 [2018-11-23 06:12:16,997 INFO L226 Difference]: Without dead ends: 557 [2018-11-23 06:12:16,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:12:17,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-23 06:12:17,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2018-11-23 06:12:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-23 06:12:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2018-11-23 06:12:17,011 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2018-11-23 06:12:17,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:17,011 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2018-11-23 06:12:17,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:12:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2018-11-23 06:12:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 06:12:17,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:12:17,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:12:17,013 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:12:17,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:12:17,013 INFO L82 PathProgramCache]: Analyzing trace with hash -427268092, now seen corresponding path program 3 times [2018-11-23 06:12:17,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:12:17,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:12:17,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:17,016 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 06:12:17,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:12:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:12:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:12:17,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:12:17,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 06:12:17,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:12:17,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:12:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:12:17,105 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 8 states. [2018-11-23 06:12:17,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:12:17,281 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2018-11-23 06:12:17,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:12:17,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-11-23 06:12:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:12:17,281 INFO L225 Difference]: With dead ends: 429 [2018-11-23 06:12:17,281 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:12:17,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:12:17,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:12:17,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:12:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:12:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:12:17,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-23 06:12:17,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:12:17,283 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:12:17,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:12:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:12:17,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:12:17,285 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 06:12:17,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:12:17 BasicIcfg [2018-11-23 06:12:17,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:12:17,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:12:17,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:12:17,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:12:17,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:12:15" (3/4) ... [2018-11-23 06:12:17,290 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:12:17,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-23 06:12:17,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-23 06:12:17,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-11-23 06:12:17,299 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 06:12:17,299 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:12:17,329 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_440893f1-e2c9-481c-a4dc-d8eb7f05df72/bin-2019/uautomizer/witness.graphml [2018-11-23 06:12:17,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:12:17,330 INFO L168 Benchmark]: Toolchain (without parser) took 2865.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.9 MB in the beginning and 803.1 MB in the end (delta: 146.9 MB). Peak memory consumption was 273.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,331 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:12:17,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:12:17,332 INFO L168 Benchmark]: Boogie Preprocessor took 21.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,332 INFO L168 Benchmark]: RCFGBuilder took 278.63 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,332 INFO L168 Benchmark]: TraceAbstraction took 2096.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 806.6 MB in the end (delta: 268.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,333 INFO L168 Benchmark]: Witness Printer took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 806.6 MB in the beginning and 803.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:12:17,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.86 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 21.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.63 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2096.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 806.6 MB in the end (delta: 268.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. * Witness Printer took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 806.6 MB in the beginning and 803.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 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, 72 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 370 SDtfs, 492 SDslu, 1030 SDs, 0 SdLazy, 107 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 15174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...