./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.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_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c8fce9252589b7d967772b8af9653738ad549f7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:14:28,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:14:28,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:14:28,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:14:28,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:14:28,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:14:28,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:14:28,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:14:28,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:14:28,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:14:28,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:14:28,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:14:28,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:14:28,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:14:28,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:14:28,434 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:14:28,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:14:28,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:14:28,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:14:28,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:14:28,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:14:28,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:14:28,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:14:28,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:14:28,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:14:28,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:14:28,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:14:28,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:14:28,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:14:28,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:14:28,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:14:28,442 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:14:28,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:14:28,442 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:14:28,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:14:28,443 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:14:28,443 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:14:28,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:14:28,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:14:28,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:14:28,451 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:14:28,451 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:14:28,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:14:28,451 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:14:28,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:14:28,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:14:28,453 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:14:28,453 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:14:28,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:14:28,454 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan 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 -> Taipan 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 -> 0c8fce9252589b7d967772b8af9653738ad549f7 [2018-12-08 18:14:28,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:14:28,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:14:28,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:14:28,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:14:28,481 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:14:28,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i [2018-12-08 18:14:28,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/data/b3299e50b/cc0e9f8c52054881a89ace64582134a5/FLAG813520618 [2018-12-08 18:14:28,840 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:14:28,840 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/sv-benchmarks/c/pthread-wmm/safe030_tso.opt_true-unreach-call.i [2018-12-08 18:14:28,847 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/data/b3299e50b/cc0e9f8c52054881a89ace64582134a5/FLAG813520618 [2018-12-08 18:14:28,855 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/data/b3299e50b/cc0e9f8c52054881a89ace64582134a5 [2018-12-08 18:14:28,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:14:28,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:14:28,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:14:28,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:14:28,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:14:28,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:14:28" (1/1) ... [2018-12-08 18:14:28,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3629c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:28, skipping insertion in model container [2018-12-08 18:14:28,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:14:28" (1/1) ... [2018-12-08 18:14:28,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:14:28,886 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:14:29,053 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:14:29,060 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:14:29,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:14:29,150 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:14:29,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29 WrapperNode [2018-12-08 18:14:29,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:14:29,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:14:29,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:14:29,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:14:29,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:14:29,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:14:29,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:14:29,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:14:29,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... [2018-12-08 18:14:29,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:14:29,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:14:29,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:14:29,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:14:29,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/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 [2018-12-08 18:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 18:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 18:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 18:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 18:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 18:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-08 18:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-08 18:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 18:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:14:29,224 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 18:14:29,371 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:14:29,371 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 18:14:29,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:14:29 BoogieIcfgContainer [2018-12-08 18:14:29,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:14:29,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:14:29,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:14:29,374 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:14:29,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:14:28" (1/3) ... [2018-12-08 18:14:29,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351083f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:14:29, skipping insertion in model container [2018-12-08 18:14:29,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:14:29" (2/3) ... [2018-12-08 18:14:29,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351083f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:14:29, skipping insertion in model container [2018-12-08 18:14:29,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:14:29" (3/3) ... [2018-12-08 18:14:29,376 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt_true-unreach-call.i [2018-12-08 18:14:29,394 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,395 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,396 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,397 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:14:29,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 18:14:29,405 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:14:29,409 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:14:29,418 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:14:29,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:14:29,432 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:14:29,433 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:14:29,433 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:14:29,433 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:14:29,433 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:14:29,433 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:14:29,433 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:14:29,438 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 51 transitions [2018-12-08 18:14:29,491 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2383 states. [2018-12-08 18:14:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states. [2018-12-08 18:14:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 18:14:29,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:29,502 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] [2018-12-08 18:14:29,504 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:29,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:29,507 INFO L82 PathProgramCache]: Analyzing trace with hash 244532871, now seen corresponding path program 1 times [2018-12-08 18:14:29,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:29,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:14:29,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:29,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:29,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:14:29,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:29,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:14:29,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:14:29,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:14:29,659 INFO L87 Difference]: Start difference. First operand 2383 states. Second operand 4 states. [2018-12-08 18:14:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:29,721 INFO L93 Difference]: Finished difference Result 2491 states and 8067 transitions. [2018-12-08 18:14:29,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:14:29,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-12-08 18:14:29,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:29,741 INFO L225 Difference]: With dead ends: 2491 [2018-12-08 18:14:29,741 INFO L226 Difference]: Without dead ends: 1126 [2018-12-08 18:14:29,742 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 [2018-12-08 18:14:29,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-12-08 18:14:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2018-12-08 18:14:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-12-08 18:14:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3556 transitions. [2018-12-08 18:14:29,804 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3556 transitions. Word has length 28 [2018-12-08 18:14:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:29,804 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 3556 transitions. [2018-12-08 18:14:29,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:14:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3556 transitions. [2018-12-08 18:14:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 18:14:29,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:29,807 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] [2018-12-08 18:14:29,807 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:29,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:29,807 INFO L82 PathProgramCache]: Analyzing trace with hash 968273041, now seen corresponding path program 1 times [2018-12-08 18:14:29,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:29,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:14:29,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,810 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:29,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:29,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:14:29,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:29,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:14:29,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:14:29,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:14:29,864 INFO L87 Difference]: Start difference. First operand 1126 states and 3556 transitions. Second operand 5 states. [2018-12-08 18:14:29,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:29,909 INFO L93 Difference]: Finished difference Result 1166 states and 3550 transitions. [2018-12-08 18:14:29,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:14:29,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-08 18:14:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:29,914 INFO L225 Difference]: With dead ends: 1166 [2018-12-08 18:14:29,914 INFO L226 Difference]: Without dead ends: 1042 [2018-12-08 18:14:29,915 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 [2018-12-08 18:14:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-12-08 18:14:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2018-12-08 18:14:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-12-08 18:14:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 3241 transitions. [2018-12-08 18:14:29,936 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 3241 transitions. Word has length 29 [2018-12-08 18:14:29,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:29,936 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 3241 transitions. [2018-12-08 18:14:29,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:14:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 3241 transitions. [2018-12-08 18:14:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 18:14:29,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:29,938 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] [2018-12-08 18:14:29,938 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:29,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:29,939 INFO L82 PathProgramCache]: Analyzing trace with hash -747764909, now seen corresponding path program 1 times [2018-12-08 18:14:29,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:29,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:14:29,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:29,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:30,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:30,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:14:30,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:30,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:14:30,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:14:30,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:14:30,011 INFO L87 Difference]: Start difference. First operand 1042 states and 3241 transitions. Second operand 6 states. [2018-12-08 18:14:30,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:30,069 INFO L93 Difference]: Finished difference Result 818 states and 2377 transitions. [2018-12-08 18:14:30,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:14:30,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-08 18:14:30,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:30,071 INFO L225 Difference]: With dead ends: 818 [2018-12-08 18:14:30,072 INFO L226 Difference]: Without dead ends: 706 [2018-12-08 18:14:30,072 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 [2018-12-08 18:14:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-08 18:14:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2018-12-08 18:14:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-12-08 18:14:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2065 transitions. [2018-12-08 18:14:30,084 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2065 transitions. Word has length 30 [2018-12-08 18:14:30,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:30,084 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 2065 transitions. [2018-12-08 18:14:30,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:14:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2065 transitions. [2018-12-08 18:14:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 18:14:30,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:30,085 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] [2018-12-08 18:14:30,085 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:30,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:30,086 INFO L82 PathProgramCache]: Analyzing trace with hash 832052697, now seen corresponding path program 1 times [2018-12-08 18:14:30,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:30,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:14:30,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:30,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:30,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:14:30,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:30,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:14:30,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:14:30,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:14:30,152 INFO L87 Difference]: Start difference. First operand 706 states and 2065 transitions. Second operand 7 states. [2018-12-08 18:14:30,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:30,273 INFO L93 Difference]: Finished difference Result 1170 states and 3449 transitions. [2018-12-08 18:14:30,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:14:30,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-08 18:14:30,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:30,275 INFO L225 Difference]: With dead ends: 1170 [2018-12-08 18:14:30,276 INFO L226 Difference]: Without dead ends: 670 [2018-12-08 18:14:30,276 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 [2018-12-08 18:14:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-12-08 18:14:30,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-12-08 18:14:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-12-08 18:14:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1961 transitions. [2018-12-08 18:14:30,288 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1961 transitions. Word has length 31 [2018-12-08 18:14:30,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:30,288 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 1961 transitions. [2018-12-08 18:14:30,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:14:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1961 transitions. [2018-12-08 18:14:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 18:14:30,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:30,289 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] [2018-12-08 18:14:30,289 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:30,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash 735486425, now seen corresponding path program 2 times [2018-12-08 18:14:30,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:30,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:14:30,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:30,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:30,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:14:30,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:30,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:14:30,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:14:30,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:14:30,331 INFO L87 Difference]: Start difference. First operand 670 states and 1961 transitions. Second operand 6 states. [2018-12-08 18:14:30,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:30,380 INFO L93 Difference]: Finished difference Result 1054 states and 3145 transitions. [2018-12-08 18:14:30,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:14:30,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-08 18:14:30,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:30,382 INFO L225 Difference]: With dead ends: 1054 [2018-12-08 18:14:30,382 INFO L226 Difference]: Without dead ends: 650 [2018-12-08 18:14:30,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:14:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-12-08 18:14:30,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-12-08 18:14:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-08 18:14:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1909 transitions. [2018-12-08 18:14:30,393 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1909 transitions. Word has length 31 [2018-12-08 18:14:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:30,393 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 1909 transitions. [2018-12-08 18:14:30,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:14:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1909 transitions. [2018-12-08 18:14:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 18:14:30,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:14:30,394 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] [2018-12-08 18:14:30,394 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:14:30,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:14:30,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2049017953, now seen corresponding path program 3 times [2018-12-08 18:14:30,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:14:30,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,396 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 18:14:30,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:14:30,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:14:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:14:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:14:30,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:14:30,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:14:30,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:14:30,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:14:30,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:14:30,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:14:30,436 INFO L87 Difference]: Start difference. First operand 650 states and 1909 transitions. Second operand 6 states. [2018-12-08 18:14:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:14:30,478 INFO L93 Difference]: Finished difference Result 522 states and 1493 transitions. [2018-12-08 18:14:30,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:14:30,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-08 18:14:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:14:30,478 INFO L225 Difference]: With dead ends: 522 [2018-12-08 18:14:30,478 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:14:30,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:14:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:14:30,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:14:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:14:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:14:30,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-08 18:14:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:14:30,480 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:14:30,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:14:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:14:30,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:14:30,482 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 18:14:30,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:14:30 BasicIcfg [2018-12-08 18:14:30,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:14:30,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:14:30,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:14:30,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:14:30,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:14:29" (3/4) ... [2018-12-08 18:14:30,486 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:14:30,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-08 18:14:30,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-08 18:14:30,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-08 18:14:30,493 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 18:14:30,493 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 18:14:30,520 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_252731bb-40c6-45ea-aa33-f0f6cfc9c3e6/bin-2019/utaipan/witness.graphml [2018-12-08 18:14:30,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:14:30,520 INFO L168 Benchmark]: Toolchain (without parser) took 1662.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 848.2 MB in the end (delta: 105.2 MB). Peak memory consumption was 238.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,521 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:14:30,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.40 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. [2018-12-08 18:14:30,522 INFO L168 Benchmark]: Boogie Preprocessor took 13.98 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,522 INFO L168 Benchmark]: RCFGBuilder took 180.89 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,523 INFO L168 Benchmark]: TraceAbstraction took 1110.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.3 MB in the end (delta: 229.1 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,523 INFO L168 Benchmark]: Witness Printer took 36.77 ms. Allocated memory is still 1.2 GB. Free memory was 855.3 MB in the beginning and 848.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:14:30,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.40 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 13.98 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 180.89 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1110.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.3 MB in the end (delta: 229.1 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.77 ms. Allocated memory is still 1.2 GB. Free memory was 855.3 MB in the beginning and 848.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 350 SDtfs, 382 SDslu, 884 SDs, 0 SdLazy, 94 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred 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, 0.2s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 11526 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...