./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_tso.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_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_tso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/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 81633b596638e92ba058fab7889f4ce31d69f96a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:02:26,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:02:26,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:02:26,708 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:02:26,708 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:02:26,709 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:02:26,710 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:02:26,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:02:26,712 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:02:26,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:02:26,713 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:02:26,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:02:26,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:02:26,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:02:26,716 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:02:26,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:02:26,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:02:26,718 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:02:26,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:02:26,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:02:26,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:02:26,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:02:26,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:02:26,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:02:26,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:02:26,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:02:26,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:02:26,725 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:02:26,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:02:26,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:02:26,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:02:26,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:02:26,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:02:26,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:02:26,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:02:26,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:02:26,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:02:26,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:02:26,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:02:26,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:02:26,736 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:02:26,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:02:26,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:02:26,737 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:02:26,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:02:26,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:02:26,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:02:26,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:02:26,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:02:26,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:02:26,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:02:26,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:02:26,739 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:02:26,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:02:26,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:02:26,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:02:26,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:02:26,740 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:02:26,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:02:26,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:02:26,740 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_28342781-3887-47f8-85c5-b53a03934dcc/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 -> 81633b596638e92ba058fab7889f4ce31d69f96a [2018-11-23 01:02:26,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:02:26,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:02:26,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:02:26,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:02:26,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:02:26,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe034_tso.oepc_true-unreach-call.i [2018-11-23 01:02:26,812 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/data/a1fa3582e/5b09763dc2d44cf3b47f0ed1a7369d00/FLAG2262d83e1 [2018-11-23 01:02:27,239 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:02:27,239 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/sv-benchmarks/c/pthread-wmm/safe034_tso.oepc_true-unreach-call.i [2018-11-23 01:02:27,247 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/data/a1fa3582e/5b09763dc2d44cf3b47f0ed1a7369d00/FLAG2262d83e1 [2018-11-23 01:02:27,257 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/data/a1fa3582e/5b09763dc2d44cf3b47f0ed1a7369d00 [2018-11-23 01:02:27,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:02:27,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:02:27,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:02:27,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:02:27,265 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:02:27,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7a39ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27, skipping insertion in model container [2018-11-23 01:02:27,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:02:27,305 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:02:27,512 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:02:27,519 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:02:27,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:02:27,643 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:02:27,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27 WrapperNode [2018-11-23 01:02:27,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:02:27,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:02:27,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:02:27,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:02:27,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:02:27,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:02:27,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:02:27,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:02:27,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... [2018-11-23 01:02:27,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:02:27,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:02:27,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:02:27,687 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:02:27,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/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 01:02:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-23 01:02:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-23 01:02:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-23 01:02:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-23 01:02:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-23 01:02:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 01:02:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:02:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:02:27,729 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 01:02:27,944 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:02:27,944 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 01:02:27,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:27 BoogieIcfgContainer [2018-11-23 01:02:27,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:02:27,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:02:27,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:02:27,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:02:27,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:02:27" (1/3) ... [2018-11-23 01:02:27,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fb4021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:02:27, skipping insertion in model container [2018-11-23 01:02:27,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:27" (2/3) ... [2018-11-23 01:02:27,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fb4021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:02:27, skipping insertion in model container [2018-11-23 01:02:27,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:27" (3/3) ... [2018-11-23 01:02:27,951 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc_true-unreach-call.i [2018-11-23 01:02:27,977 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,978 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,978 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,978 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,978 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,978 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,979 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,980 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,981 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:02:27,989 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 01:02:27,989 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:02:27,994 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:02:28,008 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:02:28,029 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:02:28,030 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:02:28,030 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:02:28,030 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:02:28,030 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:02:28,030 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:02:28,030 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:02:28,030 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:02:28,030 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:02:28,038 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56places, 53 transitions [2018-11-23 01:02:28,139 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2385 states. [2018-11-23 01:02:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states. [2018-11-23 01:02:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 01:02:28,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:28,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:02:28,155 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:28,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash -866058813, now seen corresponding path program 1 times [2018-11-23 01:02:28,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:28,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:28,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:02:28,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:28,354 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 01:02:28,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:28,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:02:28,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:02:28,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:02:28,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:02:28,373 INFO L87 Difference]: Start difference. First operand 2385 states. Second operand 4 states. [2018-11-23 01:02:28,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:28,456 INFO L93 Difference]: Finished difference Result 2493 states and 8069 transitions. [2018-11-23 01:02:28,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:02:28,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-23 01:02:28,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:28,477 INFO L225 Difference]: With dead ends: 2493 [2018-11-23 01:02:28,478 INFO L226 Difference]: Without dead ends: 1128 [2018-11-23 01:02:28,479 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 01:02:28,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2018-11-23 01:02:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2018-11-23 01:02:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2018-11-23 01:02:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 3558 transitions. [2018-11-23 01:02:28,560 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 3558 transitions. Word has length 30 [2018-11-23 01:02:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:28,561 INFO L480 AbstractCegarLoop]: Abstraction has 1128 states and 3558 transitions. [2018-11-23 01:02:28,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:02:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3558 transitions. [2018-11-23 01:02:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 01:02:28,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:28,564 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 01:02:28,564 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:28,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:28,564 INFO L82 PathProgramCache]: Analyzing trace with hash 753262745, now seen corresponding path program 1 times [2018-11-23 01:02:28,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:28,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:28,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:02:28,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:28,622 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 01:02:28,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:28,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:02:28,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:02:28,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:02:28,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:02:28,624 INFO L87 Difference]: Start difference. First operand 1128 states and 3558 transitions. Second operand 5 states. [2018-11-23 01:02:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:28,685 INFO L93 Difference]: Finished difference Result 1168 states and 3552 transitions. [2018-11-23 01:02:28,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:02:28,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-23 01:02:28,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:28,691 INFO L225 Difference]: With dead ends: 1168 [2018-11-23 01:02:28,691 INFO L226 Difference]: Without dead ends: 1044 [2018-11-23 01:02:28,692 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 01:02:28,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-11-23 01:02:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2018-11-23 01:02:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-11-23 01:02:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3243 transitions. [2018-11-23 01:02:28,718 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3243 transitions. Word has length 31 [2018-11-23 01:02:28,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:28,719 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 3243 transitions. [2018-11-23 01:02:28,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:02:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3243 transitions. [2018-11-23 01:02:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:02:28,721 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:28,721 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 01:02:28,721 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:28,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:28,722 INFO L82 PathProgramCache]: Analyzing trace with hash 224811375, now seen corresponding path program 1 times [2018-11-23 01:02:28,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:28,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:28,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:02:28,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:28,795 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 01:02:28,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:28,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:02:28,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:02:28,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:02:28,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:02:28,796 INFO L87 Difference]: Start difference. First operand 1044 states and 3243 transitions. Second operand 6 states. [2018-11-23 01:02:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:28,870 INFO L93 Difference]: Finished difference Result 820 states and 2379 transitions. [2018-11-23 01:02:28,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:02:28,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-11-23 01:02:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:28,873 INFO L225 Difference]: With dead ends: 820 [2018-11-23 01:02:28,873 INFO L226 Difference]: Without dead ends: 708 [2018-11-23 01:02:28,873 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 01:02:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-11-23 01:02:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2018-11-23 01:02:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-11-23 01:02:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 2067 transitions. [2018-11-23 01:02:28,885 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 2067 transitions. Word has length 32 [2018-11-23 01:02:28,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:28,885 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 2067 transitions. [2018-11-23 01:02:28,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:02:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2067 transitions. [2018-11-23 01:02:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 01:02:28,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:28,887 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 01:02:28,887 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:28,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:28,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1778781891, now seen corresponding path program 1 times [2018-11-23 01:02:28,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:28,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:28,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:02:28,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:28,981 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 01:02:28,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:28,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:02:28,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:02:28,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:02:28,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:02:28,982 INFO L87 Difference]: Start difference. First operand 708 states and 2067 transitions. Second operand 7 states. [2018-11-23 01:02:29,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:29,099 INFO L93 Difference]: Finished difference Result 1108 states and 3291 transitions. [2018-11-23 01:02:29,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:02:29,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-23 01:02:29,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:29,102 INFO L225 Difference]: With dead ends: 1108 [2018-11-23 01:02:29,102 INFO L226 Difference]: Without dead ends: 592 [2018-11-23 01:02:29,102 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 01:02:29,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-11-23 01:02:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-11-23 01:02:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-11-23 01:02:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1755 transitions. [2018-11-23 01:02:29,112 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1755 transitions. Word has length 33 [2018-11-23 01:02:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:29,113 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 1755 transitions. [2018-11-23 01:02:29,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:02:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1755 transitions. [2018-11-23 01:02:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 01:02:29,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:29,114 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 01:02:29,114 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:29,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:29,114 INFO L82 PathProgramCache]: Analyzing trace with hash -659110195, now seen corresponding path program 2 times [2018-11-23 01:02:29,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:29,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:29,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:29,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:02:29,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:29,176 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 01:02:29,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:29,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:02:29,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:02:29,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:02:29,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:02:29,177 INFO L87 Difference]: Start difference. First operand 592 states and 1755 transitions. Second operand 7 states. [2018-11-23 01:02:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:29,235 INFO L93 Difference]: Finished difference Result 976 states and 2939 transitions. [2018-11-23 01:02:29,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:02:29,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-23 01:02:29,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:29,238 INFO L225 Difference]: With dead ends: 976 [2018-11-23 01:02:29,238 INFO L226 Difference]: Without dead ends: 556 [2018-11-23 01:02:29,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:02:29,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-23 01:02:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2018-11-23 01:02:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-11-23 01:02:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 1671 transitions. [2018-11-23 01:02:29,248 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 1671 transitions. Word has length 33 [2018-11-23 01:02:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:29,249 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 1671 transitions. [2018-11-23 01:02:29,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:02:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1671 transitions. [2018-11-23 01:02:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 01:02:29,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:02:29,250 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 01:02:29,250 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:02:29,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:02:29,250 INFO L82 PathProgramCache]: Analyzing trace with hash 28774181, now seen corresponding path program 3 times [2018-11-23 01:02:29,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:02:29,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:02:29,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:29,253 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:02:29,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:02:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:02:29,374 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 01:02:29,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:02:29,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 01:02:29,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:02:29,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:02:29,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:02:29,375 INFO L87 Difference]: Start difference. First operand 556 states and 1671 transitions. Second operand 10 states. [2018-11-23 01:02:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:02:29,466 INFO L93 Difference]: Finished difference Result 428 states and 1255 transitions. [2018-11-23 01:02:29,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:02:29,467 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-11-23 01:02:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:02:29,467 INFO L225 Difference]: With dead ends: 428 [2018-11-23 01:02:29,467 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:02:29,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:02:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:02:29,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:02:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:02:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:02:29,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-23 01:02:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:02:29,468 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:02:29,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:02:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:02:29,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:02:29,471 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 01:02:29,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:02:29 BasicIcfg [2018-11-23 01:02:29,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:02:29,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:02:29,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:02:29,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:02:29,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:27" (3/4) ... [2018-11-23 01:02:29,475 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:02:29,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-23 01:02:29,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-23 01:02:29,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-11-23 01:02:29,484 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 01:02:29,484 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:02:29,512 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28342781-3887-47f8-85c5-b53a03934dcc/bin-2019/uautomizer/witness.graphml [2018-11-23 01:02:29,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:02:29,512 INFO L168 Benchmark]: Toolchain (without parser) took 2251.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:02:29,513 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:02:29,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:02:29,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.00 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 01:02:29,514 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:02:29,514 INFO L168 Benchmark]: RCFGBuilder took 257.40 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:02:29,515 INFO L168 Benchmark]: TraceAbstraction took 1527.08 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:02:29,515 INFO L168 Benchmark]: Witness Printer took 39.37 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 01:02:29,517 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.00 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 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 257.40 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1527.08 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.37 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. * 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, 71 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 429 SDslu, 1116 SDs, 0 SdLazy, 141 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2385occurred 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, 0.4s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 15742 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...