./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/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 25edeb479cd81b292a858cdff90064bb36c839b1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:48:36,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:48:36,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:48:36,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:48:36,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:48:36,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:48:36,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:48:36,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:48:36,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:48:36,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:48:36,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:48:36,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:48:36,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:48:36,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:48:36,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:48:36,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:48:36,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:48:36,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:48:36,943 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:48:36,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:48:36,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:48:36,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:48:36,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:48:36,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:48:36,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:48:36,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:48:36,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:48:36,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:48:36,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:48:36,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:48:36,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:48:36,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:48:36,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:48:36,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:48:36,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:48:36,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:48:36,950 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 12:48:36,960 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:48:36,960 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:48:36,961 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:48:36,961 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 12:48:36,961 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:48:36,962 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:48:36,962 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:48:36,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:48:36,962 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:48:36,962 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:48:36,962 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:48:36,963 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:48:36,964 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:48:36,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:48:36,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:48:36,964 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:48:36,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 12:48:36,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:48:36,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:48:36,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:48:36,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:48:36,965 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:48:36,965 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:48:36,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:48:36,965 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_96ca1ee1-87e1-44ec-afcb-edd368478ede/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 -> 25edeb479cd81b292a858cdff90064bb36c839b1 [2018-12-02 12:48:36,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:48:36,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:48:36,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:48:37,000 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:48:37,000 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:48:37,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i [2018-12-02 12:48:37,037 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/data/efbd7daef/14f80a70db3645d2b99602b11b27bbde/FLAG418a94e14 [2018-12-02 12:48:37,524 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:48:37,524 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/sv-benchmarks/c/pthread-wmm/safe015_pso.opt_true-unreach-call.i [2018-12-02 12:48:37,531 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/data/efbd7daef/14f80a70db3645d2b99602b11b27bbde/FLAG418a94e14 [2018-12-02 12:48:37,540 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/data/efbd7daef/14f80a70db3645d2b99602b11b27bbde [2018-12-02 12:48:37,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:48:37,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:48:37,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:48:37,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:48:37,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:48:37,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115e7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37, skipping insertion in model container [2018-12-02 12:48:37,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:48:37,578 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:48:37,743 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:48:37,751 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:48:37,825 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:48:37,857 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:48:37,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37 WrapperNode [2018-12-02 12:48:37,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:48:37,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:48:37,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:48:37,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:48:37,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:48:37,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:48:37,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:48:37,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:48:37,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... [2018-12-02 12:48:37,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:48:37,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:48:37,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:48:37,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:48:37,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/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 [2018-12-02 12:48:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 12:48:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 12:48:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-02 12:48:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 12:48:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:48:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:48:37,934 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 12:48:38,077 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:48:38,077 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 12:48:38,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:38 BoogieIcfgContainer [2018-12-02 12:48:38,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:48:38,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 12:48:38,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 12:48:38,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 12:48:38,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:48:37" (1/3) ... [2018-12-02 12:48:38,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7fc510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:38, skipping insertion in model container [2018-12-02 12:48:38,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:37" (2/3) ... [2018-12-02 12:48:38,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7fc510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:38, skipping insertion in model container [2018-12-02 12:48:38,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:38" (3/3) ... [2018-12-02 12:48:38,084 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt_true-unreach-call.i [2018-12-02 12:48:38,107 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,107 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,108 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,109 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,109 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,109 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,109 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,109 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,110 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,111 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,112 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,112 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 12:48:38,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 12:48:38,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 12:48:38,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 12:48:38,133 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 12:48:38,146 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:48:38,147 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 12:48:38,147 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 12:48:38,147 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 12:48:38,147 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:48:38,147 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:48:38,147 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 12:48:38,147 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:48:38,147 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 12:48:38,152 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2018-12-02 12:48:38,212 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2018-12-02 12:48:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2018-12-02 12:48:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 12:48:38,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:38,223 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:48:38,225 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:38,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:38,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1952890995, now seen corresponding path program 1 times [2018-12-02 12:48:38,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:38,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:38,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:48:38,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:38,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:38,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 12:48:38,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 12:48:38,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 12:48:38,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 12:48:38,392 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2018-12-02 12:48:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:38,445 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2018-12-02 12:48:38,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 12:48:38,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-12-02 12:48:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:38,461 INFO L225 Difference]: With dead ends: 2492 [2018-12-02 12:48:38,462 INFO L226 Difference]: Without dead ends: 1127 [2018-12-02 12:48:38,463 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 [2018-12-02 12:48:38,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-12-02 12:48:38,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2018-12-02 12:48:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2018-12-02 12:48:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2018-12-02 12:48:38,525 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2018-12-02 12:48:38,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:38,525 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2018-12-02 12:48:38,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 12:48:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2018-12-02 12:48:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 12:48:38,527 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:38,528 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:48:38,528 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:38,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:38,528 INFO L82 PathProgramCache]: Analyzing trace with hash 237831011, now seen corresponding path program 1 times [2018-12-02 12:48:38,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:38,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:38,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:48:38,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:38,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:38,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:48:38,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 12:48:38,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:48:38,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:48:38,585 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2018-12-02 12:48:38,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:38,619 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2018-12-02 12:48:38,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:48:38,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-02 12:48:38,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:38,623 INFO L225 Difference]: With dead ends: 1167 [2018-12-02 12:48:38,623 INFO L226 Difference]: Without dead ends: 1043 [2018-12-02 12:48:38,624 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 [2018-12-02 12:48:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-12-02 12:48:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2018-12-02 12:48:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-12-02 12:48:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2018-12-02 12:48:38,642 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2018-12-02 12:48:38,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:38,642 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2018-12-02 12:48:38,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 12:48:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2018-12-02 12:48:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 12:48:38,644 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:38,644 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] [2018-12-02 12:48:38,644 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:38,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1963848659, now seen corresponding path program 1 times [2018-12-02 12:48:38,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:38,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:38,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:48:38,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:38,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:38,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:48:38,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:48:38,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:48:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:48:38,692 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2018-12-02 12:48:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:38,739 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2018-12-02 12:48:38,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:48:38,739 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-02 12:48:38,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:38,741 INFO L225 Difference]: With dead ends: 819 [2018-12-02 12:48:38,741 INFO L226 Difference]: Without dead ends: 707 [2018-12-02 12:48:38,742 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 [2018-12-02 12:48:38,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-12-02 12:48:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2018-12-02 12:48:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-12-02 12:48:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2018-12-02 12:48:38,754 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2018-12-02 12:48:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:38,754 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2018-12-02 12:48:38,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:48:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2018-12-02 12:48:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 12:48:38,756 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:38,756 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] [2018-12-02 12:48:38,756 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:38,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:38,756 INFO L82 PathProgramCache]: Analyzing trace with hash 994118133, now seen corresponding path program 1 times [2018-12-02 12:48:38,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:38,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:38,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:48:38,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:38,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:38,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 12:48:38,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 12:48:38,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 12:48:38,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:48:38,852 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 10 states. [2018-12-02 12:48:38,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:38,988 INFO L93 Difference]: Finished difference Result 1107 states and 3290 transitions. [2018-12-02 12:48:38,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 12:48:38,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2018-12-02 12:48:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:38,992 INFO L225 Difference]: With dead ends: 1107 [2018-12-02 12:48:38,992 INFO L226 Difference]: Without dead ends: 591 [2018-12-02 12:48:38,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-12-02 12:48:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-12-02 12:48:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2018-12-02 12:48:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2018-12-02 12:48:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1754 transitions. [2018-12-02 12:48:39,009 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1754 transitions. Word has length 32 [2018-12-02 12:48:39,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:39,009 INFO L480 AbstractCegarLoop]: Abstraction has 591 states and 1754 transitions. [2018-12-02 12:48:39,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 12:48:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1754 transitions. [2018-12-02 12:48:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 12:48:39,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:39,011 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] [2018-12-02 12:48:39,011 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:39,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:39,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1831555919, now seen corresponding path program 2 times [2018-12-02 12:48:39,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:39,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:39,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:39,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:48:39,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:39,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:39,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 12:48:39,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 12:48:39,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 12:48:39,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:48:39,081 INFO L87 Difference]: Start difference. First operand 591 states and 1754 transitions. Second operand 7 states. [2018-12-02 12:48:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:39,134 INFO L93 Difference]: Finished difference Result 975 states and 2938 transitions. [2018-12-02 12:48:39,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:48:39,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-02 12:48:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:39,136 INFO L225 Difference]: With dead ends: 975 [2018-12-02 12:48:39,136 INFO L226 Difference]: Without dead ends: 555 [2018-12-02 12:48:39,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:48:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-12-02 12:48:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2018-12-02 12:48:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-12-02 12:48:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1670 transitions. [2018-12-02 12:48:39,147 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1670 transitions. Word has length 32 [2018-12-02 12:48:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:39,147 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 1670 transitions. [2018-12-02 12:48:39,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 12:48:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1670 transitions. [2018-12-02 12:48:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 12:48:39,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:48:39,148 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] [2018-12-02 12:48:39,148 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:48:39,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:39,148 INFO L82 PathProgramCache]: Analyzing trace with hash 2073035831, now seen corresponding path program 3 times [2018-12-02 12:48:39,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:48:39,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:48:39,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:39,161 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:48:39,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:48:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:39,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:48:39,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 12:48:39,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 12:48:39,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 12:48:39,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-02 12:48:39,273 INFO L87 Difference]: Start difference. First operand 555 states and 1670 transitions. Second operand 11 states. [2018-12-02 12:48:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:48:39,350 INFO L93 Difference]: Finished difference Result 427 states and 1254 transitions. [2018-12-02 12:48:39,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 12:48:39,350 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-12-02 12:48:39,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:48:39,351 INFO L225 Difference]: With dead ends: 427 [2018-12-02 12:48:39,351 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 12:48:39,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-12-02 12:48:39,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 12:48:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 12:48:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 12:48:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 12:48:39,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-02 12:48:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:48:39,351 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:48:39,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 12:48:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 12:48:39,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:48:39,353 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 12:48:39,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:48:39 BasicIcfg [2018-12-02 12:48:39,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 12:48:39,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:48:39,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:48:39,355 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:48:39,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:38" (3/4) ... [2018-12-02 12:48:39,357 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:48:39,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-02 12:48:39,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-02 12:48:39,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-02 12:48:39,364 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 12:48:39,364 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 12:48:39,389 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96ca1ee1-87e1-44ec-afcb-edd368478ede/bin-2019/uautomizer/witness.graphml [2018-12-02 12:48:39,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:48:39,389 INFO L168 Benchmark]: Toolchain (without parser) took 1847.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -111.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,390 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:48:39,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,391 INFO L168 Benchmark]: Boogie Preprocessor took 14.40 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,391 INFO L168 Benchmark]: RCFGBuilder took 178.02 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,392 INFO L168 Benchmark]: TraceAbstraction took 1275.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,392 INFO L168 Benchmark]: Witness Printer took 34.24 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 12:48:39,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.40 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.02 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1275.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 34.24 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: 3.5 MB). Peak memory consumption was 3.5 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, 70 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 367 SDtfs, 458 SDslu, 1387 SDs, 0 SdLazy, 246 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 19346 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...