./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi010_rmo.oepc_false-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_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi010_rmo.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/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 39476bc3b71f73a1dd2607f840251e023ff8ba12 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:56:37,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:56:37,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:56:37,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:56:37,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:56:37,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:56:37,541 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:56:37,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:56:37,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:56:37,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:56:37,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:56:37,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:56:37,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:56:37,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:56:37,547 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:56:37,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:56:37,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:56:37,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:56:37,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:56:37,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:56:37,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:56:37,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:56:37,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:56:37,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:56:37,556 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:56:37,556 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:56:37,557 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:56:37,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:56:37,558 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:56:37,559 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:56:37,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:56:37,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:56:37,560 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:56:37,560 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:56:37,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:56:37,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:56:37,561 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:56:37,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:56:37,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:56:37,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:56:37,572 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:56:37,572 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:56:37,573 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:56:37,573 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:56:37,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:56:37,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:56:37,574 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:56:37,574 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:56:37,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:56:37,576 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:56:37,576 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:56:37,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:56:37,576 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:56:37,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:56:37,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:56:37,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:56:37,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:56:37,577 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:56:37,577 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:56:37,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:56:37,577 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:56:37,577 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_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/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 -> 39476bc3b71f73a1dd2607f840251e023ff8ba12 [2018-12-02 17:56:37,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:56:37,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:56:37,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:56:37,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:56:37,611 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:56:37,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/rfi010_rmo.oepc_false-unreach-call.i [2018-12-02 17:56:37,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/data/3a0ee3db3/34bffd75ccf94727a251e27506a4d271/FLAGf73fff84a [2018-12-02 17:56:38,000 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:56:38,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/sv-benchmarks/c/pthread-wmm/rfi010_rmo.oepc_false-unreach-call.i [2018-12-02 17:56:38,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/data/3a0ee3db3/34bffd75ccf94727a251e27506a4d271/FLAGf73fff84a [2018-12-02 17:56:38,016 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/data/3a0ee3db3/34bffd75ccf94727a251e27506a4d271 [2018-12-02 17:56:38,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:56:38,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:56:38,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:56:38,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:56:38,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:56:38,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38, skipping insertion in model container [2018-12-02 17:56:38,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:56:38,048 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:56:38,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:56:38,248 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:56:38,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:56:38,357 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:56:38,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38 WrapperNode [2018-12-02 17:56:38,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:56:38,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:56:38,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:56:38,358 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:56:38,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:56:38,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:56:38,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:56:38,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:56:38,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... [2018-12-02 17:56:38,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:56:38,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:56:38,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:56:38,414 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:56:38,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/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 [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 17:56:38,451 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 17:56:38,451 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 17:56:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:56:38,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:56:38,452 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 17:56:38,806 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:56:38,806 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 17:56:38,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:56:38 BoogieIcfgContainer [2018-12-02 17:56:38,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:56:38,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:56:38,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:56:38,809 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:56:38,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:56:38" (1/3) ... [2018-12-02 17:56:38,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58630172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:56:38, skipping insertion in model container [2018-12-02 17:56:38,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:38" (2/3) ... [2018-12-02 17:56:38,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58630172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:56:38, skipping insertion in model container [2018-12-02 17:56:38,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:56:38" (3/3) ... [2018-12-02 17:56:38,811 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi010_rmo.oepc_false-unreach-call.i [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,836 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,842 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,845 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,848 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,848 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,848 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,848 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,851 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,855 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,857 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,858 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,858 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,858 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,858 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,858 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:56:38,863 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 17:56:38,863 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:56:38,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 17:56:38,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 17:56:38,892 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:56:38,892 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:56:38,892 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:56:38,892 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:56:38,892 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:56:38,892 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:56:38,892 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:56:38,892 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:56:38,899 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173places, 226 transitions [2018-12-02 17:56:44,523 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 83127 states. [2018-12-02 17:56:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 83127 states. [2018-12-02 17:56:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 17:56:44,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:56:44,531 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:56:44,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:56:44,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:56:44,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1645016021, now seen corresponding path program 1 times [2018-12-02 17:56:44,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:56:44,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:44,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:56:44,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:44,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:56:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:56:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:56:44,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:56:44,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:56:44,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:56:44,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:56:44,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:56:44,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:56:44,696 INFO L87 Difference]: Start difference. First operand 83127 states. Second operand 4 states. [2018-12-02 17:56:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:56:45,537 INFO L93 Difference]: Finished difference Result 150583 states and 603160 transitions. [2018-12-02 17:56:45,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:56:45,538 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-12-02 17:56:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:56:45,893 INFO L225 Difference]: With dead ends: 150583 [2018-12-02 17:56:45,893 INFO L226 Difference]: Without dead ends: 105839 [2018-12-02 17:56:45,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:56:47,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105839 states. [2018-12-02 17:56:47,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105839 to 61235. [2018-12-02 17:56:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61235 states. [2018-12-02 17:56:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61235 states to 61235 states and 248290 transitions. [2018-12-02 17:56:48,145 INFO L78 Accepts]: Start accepts. Automaton has 61235 states and 248290 transitions. Word has length 38 [2018-12-02 17:56:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:56:48,145 INFO L480 AbstractCegarLoop]: Abstraction has 61235 states and 248290 transitions. [2018-12-02 17:56:48,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:56:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61235 states and 248290 transitions. [2018-12-02 17:56:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:56:48,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:56:48,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:56:48,152 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:56:48,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:56:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1043746306, now seen corresponding path program 1 times [2018-12-02 17:56:48,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:56:48,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:48,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:56:48,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:48,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:56:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:56:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:56:48,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:56:48,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:56:48,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:56:48,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:56:48,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:56:48,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:56:48,219 INFO L87 Difference]: Start difference. First operand 61235 states and 248290 transitions. Second operand 5 states. [2018-12-02 17:56:49,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:56:49,122 INFO L93 Difference]: Finished difference Result 146039 states and 554300 transitions. [2018-12-02 17:56:49,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:56:49,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-02 17:56:49,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:56:50,791 INFO L225 Difference]: With dead ends: 146039 [2018-12-02 17:56:50,791 INFO L226 Difference]: Without dead ends: 145471 [2018-12-02 17:56:50,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:56:51,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145471 states. [2018-12-02 17:56:53,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145471 to 96613. [2018-12-02 17:56:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96613 states. [2018-12-02 17:56:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96613 states to 96613 states and 368455 transitions. [2018-12-02 17:56:53,275 INFO L78 Accepts]: Start accepts. Automaton has 96613 states and 368455 transitions. Word has length 46 [2018-12-02 17:56:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:56:53,276 INFO L480 AbstractCegarLoop]: Abstraction has 96613 states and 368455 transitions. [2018-12-02 17:56:53,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:56:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 96613 states and 368455 transitions. [2018-12-02 17:56:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:56:53,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:56:53,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:56:53,279 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:56:53,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:56:53,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1415245602, now seen corresponding path program 1 times [2018-12-02 17:56:53,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:56:53,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:53,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:56:53,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:53,282 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:56:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:56:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:56:53,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:56:53,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:56:53,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:56:53,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:56:53,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:56:53,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:56:53,319 INFO L87 Difference]: Start difference. First operand 96613 states and 368455 transitions. Second operand 5 states. [2018-12-02 17:56:54,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:56:54,505 INFO L93 Difference]: Finished difference Result 199269 states and 748089 transitions. [2018-12-02 17:56:54,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:56:54,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-02 17:56:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:56:54,913 INFO L225 Difference]: With dead ends: 199269 [2018-12-02 17:56:54,914 INFO L226 Difference]: Without dead ends: 198805 [2018-12-02 17:56:54,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:56:56,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198805 states. [2018-12-02 17:56:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198805 to 108296. [2018-12-02 17:56:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108296 states. [2018-12-02 17:56:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108296 states to 108296 states and 408659 transitions. [2018-12-02 17:56:58,162 INFO L78 Accepts]: Start accepts. Automaton has 108296 states and 408659 transitions. Word has length 47 [2018-12-02 17:56:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:56:58,162 INFO L480 AbstractCegarLoop]: Abstraction has 108296 states and 408659 transitions. [2018-12-02 17:56:58,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:56:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 108296 states and 408659 transitions. [2018-12-02 17:56:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:56:58,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:56:58,169 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:56:58,169 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:56:58,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:56:58,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1958778492, now seen corresponding path program 1 times [2018-12-02 17:56:58,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:56:58,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:58,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:56:58,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:56:58,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:56:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:56:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:56:58,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:56:58,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:56:58,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:56:58,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:56:58,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:56:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:56:58,205 INFO L87 Difference]: Start difference. First operand 108296 states and 408659 transitions. Second operand 3 states. [2018-12-02 17:56:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:56:59,063 INFO L93 Difference]: Finished difference Result 179115 states and 655174 transitions. [2018-12-02 17:56:59,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:56:59,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-12-02 17:56:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:56:59,406 INFO L225 Difference]: With dead ends: 179115 [2018-12-02 17:56:59,406 INFO L226 Difference]: Without dead ends: 179115 [2018-12-02 17:56:59,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:57:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179115 states. [2018-12-02 17:57:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179115 to 163646. [2018-12-02 17:57:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163646 states. [2018-12-02 17:57:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163646 states to 163646 states and 603625 transitions. [2018-12-02 17:57:04,370 INFO L78 Accepts]: Start accepts. Automaton has 163646 states and 603625 transitions. Word has length 49 [2018-12-02 17:57:04,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:04,370 INFO L480 AbstractCegarLoop]: Abstraction has 163646 states and 603625 transitions. [2018-12-02 17:57:04,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:57:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 163646 states and 603625 transitions. [2018-12-02 17:57:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:57:04,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:04,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:04,384 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:04,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:04,385 INFO L82 PathProgramCache]: Analyzing trace with hash 984479439, now seen corresponding path program 1 times [2018-12-02 17:57:04,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:04,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:04,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:04,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:04,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:04,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:04,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:57:04,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:04,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:57:04,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:57:04,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:04,440 INFO L87 Difference]: Start difference. First operand 163646 states and 603625 transitions. Second operand 6 states. [2018-12-02 17:57:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:06,471 INFO L93 Difference]: Finished difference Result 315523 states and 1139598 transitions. [2018-12-02 17:57:06,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 17:57:06,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-02 17:57:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:07,081 INFO L225 Difference]: With dead ends: 315523 [2018-12-02 17:57:07,081 INFO L226 Difference]: Without dead ends: 314987 [2018-12-02 17:57:07,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:57:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314987 states. [2018-12-02 17:57:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314987 to 164409. [2018-12-02 17:57:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164409 states. [2018-12-02 17:57:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164409 states to 164409 states and 606496 transitions. [2018-12-02 17:57:14,003 INFO L78 Accepts]: Start accepts. Automaton has 164409 states and 606496 transitions. Word has length 53 [2018-12-02 17:57:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:14,004 INFO L480 AbstractCegarLoop]: Abstraction has 164409 states and 606496 transitions. [2018-12-02 17:57:14,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:57:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 164409 states and 606496 transitions. [2018-12-02 17:57:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:57:14,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:14,017 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:14,017 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:14,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:14,018 INFO L82 PathProgramCache]: Analyzing trace with hash -721809298, now seen corresponding path program 1 times [2018-12-02 17:57:14,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:14,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:14,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:14,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:14,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:14,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:14,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:57:14,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:14,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:57:14,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:57:14,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:14,084 INFO L87 Difference]: Start difference. First operand 164409 states and 606496 transitions. Second operand 6 states. [2018-12-02 17:57:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:15,322 INFO L93 Difference]: Finished difference Result 215866 states and 792770 transitions. [2018-12-02 17:57:15,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:57:15,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-02 17:57:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:15,805 INFO L225 Difference]: With dead ends: 215866 [2018-12-02 17:57:15,806 INFO L226 Difference]: Without dead ends: 215866 [2018-12-02 17:57:15,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215866 states. [2018-12-02 17:57:19,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215866 to 201215. [2018-12-02 17:57:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201215 states. [2018-12-02 17:57:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201215 states to 201215 states and 739037 transitions. [2018-12-02 17:57:20,881 INFO L78 Accepts]: Start accepts. Automaton has 201215 states and 739037 transitions. Word has length 53 [2018-12-02 17:57:20,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:20,882 INFO L480 AbstractCegarLoop]: Abstraction has 201215 states and 739037 transitions. [2018-12-02 17:57:20,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:57:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 201215 states and 739037 transitions. [2018-12-02 17:57:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:57:20,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:20,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:20,900 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:20,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:20,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1776206639, now seen corresponding path program 1 times [2018-12-02 17:57:20,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:20,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:20,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:20,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:20,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:20,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:20,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:57:20,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:20,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:57:20,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:57:20,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:20,966 INFO L87 Difference]: Start difference. First operand 201215 states and 739037 transitions. Second operand 7 states. [2018-12-02 17:57:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:22,606 INFO L93 Difference]: Finished difference Result 286186 states and 1016985 transitions. [2018-12-02 17:57:22,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 17:57:22,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-12-02 17:57:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:23,205 INFO L225 Difference]: With dead ends: 286186 [2018-12-02 17:57:23,205 INFO L226 Difference]: Without dead ends: 286186 [2018-12-02 17:57:23,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:57:27,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286186 states. [2018-12-02 17:57:29,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286186 to 229832. [2018-12-02 17:57:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229832 states. [2018-12-02 17:57:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229832 states to 229832 states and 831774 transitions. [2018-12-02 17:57:30,220 INFO L78 Accepts]: Start accepts. Automaton has 229832 states and 831774 transitions. Word has length 53 [2018-12-02 17:57:30,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:30,220 INFO L480 AbstractCegarLoop]: Abstraction has 229832 states and 831774 transitions. [2018-12-02 17:57:30,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:57:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 229832 states and 831774 transitions. [2018-12-02 17:57:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:57:30,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:30,237 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:30,238 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:30,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:30,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1631256976, now seen corresponding path program 1 times [2018-12-02 17:57:30,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:30,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:30,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:30,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:30,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:30,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:30,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:57:30,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:30,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:57:30,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:57:30,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:57:30,279 INFO L87 Difference]: Start difference. First operand 229832 states and 831774 transitions. Second operand 4 states. [2018-12-02 17:57:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:30,387 INFO L93 Difference]: Finished difference Result 38679 states and 122684 transitions. [2018-12-02 17:57:30,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:57:30,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-12-02 17:57:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:30,428 INFO L225 Difference]: With dead ends: 38679 [2018-12-02 17:57:30,428 INFO L226 Difference]: Without dead ends: 32083 [2018-12-02 17:57:30,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:57:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32083 states. [2018-12-02 17:57:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32083 to 31836. [2018-12-02 17:57:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31836 states. [2018-12-02 17:57:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31836 states to 31836 states and 99515 transitions. [2018-12-02 17:57:30,781 INFO L78 Accepts]: Start accepts. Automaton has 31836 states and 99515 transitions. Word has length 53 [2018-12-02 17:57:30,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:30,781 INFO L480 AbstractCegarLoop]: Abstraction has 31836 states and 99515 transitions. [2018-12-02 17:57:30,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:57:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 31836 states and 99515 transitions. [2018-12-02 17:57:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:57:30,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:30,786 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:30,786 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:30,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:30,786 INFO L82 PathProgramCache]: Analyzing trace with hash -917178143, now seen corresponding path program 1 times [2018-12-02 17:57:30,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:30,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:30,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:30,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:30,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:30,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:30,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:57:30,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:30,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:57:30,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:57:30,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:57:30,837 INFO L87 Difference]: Start difference. First operand 31836 states and 99515 transitions. Second operand 4 states. [2018-12-02 17:57:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:31,048 INFO L93 Difference]: Finished difference Result 41208 states and 129949 transitions. [2018-12-02 17:57:31,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:57:31,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-12-02 17:57:31,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:31,101 INFO L225 Difference]: With dead ends: 41208 [2018-12-02 17:57:31,101 INFO L226 Difference]: Without dead ends: 41208 [2018-12-02 17:57:31,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:57:31,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41208 states. [2018-12-02 17:57:31,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41208 to 35932. [2018-12-02 17:57:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35932 states. [2018-12-02 17:57:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35932 states to 35932 states and 112644 transitions. [2018-12-02 17:57:31,534 INFO L78 Accepts]: Start accepts. Automaton has 35932 states and 112644 transitions. Word has length 63 [2018-12-02 17:57:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:31,535 INFO L480 AbstractCegarLoop]: Abstraction has 35932 states and 112644 transitions. [2018-12-02 17:57:31,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:57:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 35932 states and 112644 transitions. [2018-12-02 17:57:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:57:31,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:31,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:31,883 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:31,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:31,884 INFO L82 PathProgramCache]: Analyzing trace with hash 825632192, now seen corresponding path program 1 times [2018-12-02 17:57:31,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:31,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:31,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:31,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:31,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:31,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:31,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:57:31,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:31,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:57:31,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:57:31,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:31,925 INFO L87 Difference]: Start difference. First operand 35932 states and 112644 transitions. Second operand 6 states. [2018-12-02 17:57:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:32,473 INFO L93 Difference]: Finished difference Result 72509 states and 225560 transitions. [2018-12-02 17:57:32,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 17:57:32,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 17:57:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:32,573 INFO L225 Difference]: With dead ends: 72509 [2018-12-02 17:57:32,573 INFO L226 Difference]: Without dead ends: 72445 [2018-12-02 17:57:32,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:57:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72445 states. [2018-12-02 17:57:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72445 to 40892. [2018-12-02 17:57:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40892 states. [2018-12-02 17:57:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40892 states to 40892 states and 126622 transitions. [2018-12-02 17:57:33,214 INFO L78 Accepts]: Start accepts. Automaton has 40892 states and 126622 transitions. Word has length 63 [2018-12-02 17:57:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:33,214 INFO L480 AbstractCegarLoop]: Abstraction has 40892 states and 126622 transitions. [2018-12-02 17:57:33,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:57:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40892 states and 126622 transitions. [2018-12-02 17:57:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 17:57:33,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:33,225 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:33,226 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:33,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:33,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1816196687, now seen corresponding path program 1 times [2018-12-02 17:57:33,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:33,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:33,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:33,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:33,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:33,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:33,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:57:33,245 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:33,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:57:33,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:57:33,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:57:33,246 INFO L87 Difference]: Start difference. First operand 40892 states and 126622 transitions. Second operand 3 states. [2018-12-02 17:57:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:33,385 INFO L93 Difference]: Finished difference Result 46897 states and 143099 transitions. [2018-12-02 17:57:33,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:57:33,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-02 17:57:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:33,444 INFO L225 Difference]: With dead ends: 46897 [2018-12-02 17:57:33,444 INFO L226 Difference]: Without dead ends: 46897 [2018-12-02 17:57:33,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:57:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46897 states. [2018-12-02 17:57:33,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46897 to 40580. [2018-12-02 17:57:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40580 states. [2018-12-02 17:57:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40580 states to 40580 states and 123024 transitions. [2018-12-02 17:57:33,927 INFO L78 Accepts]: Start accepts. Automaton has 40580 states and 123024 transitions. Word has length 69 [2018-12-02 17:57:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:33,927 INFO L480 AbstractCegarLoop]: Abstraction has 40580 states and 123024 transitions. [2018-12-02 17:57:33,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:57:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40580 states and 123024 transitions. [2018-12-02 17:57:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:57:33,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:33,937 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:33,937 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:33,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:33,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1992546375, now seen corresponding path program 1 times [2018-12-02 17:57:33,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:33,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:33,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:33,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:33,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:34,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:34,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:57:34,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:34,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:57:34,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:57:34,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:34,010 INFO L87 Difference]: Start difference. First operand 40580 states and 123024 transitions. Second operand 7 states. [2018-12-02 17:57:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:35,050 INFO L93 Difference]: Finished difference Result 56545 states and 170864 transitions. [2018-12-02 17:57:35,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:57:35,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 17:57:35,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:35,115 INFO L225 Difference]: With dead ends: 56545 [2018-12-02 17:57:35,116 INFO L226 Difference]: Without dead ends: 56241 [2018-12-02 17:57:35,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:57:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56241 states. [2018-12-02 17:57:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56241 to 47672. [2018-12-02 17:57:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47672 states. [2018-12-02 17:57:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47672 states to 47672 states and 144131 transitions. [2018-12-02 17:57:35,659 INFO L78 Accepts]: Start accepts. Automaton has 47672 states and 144131 transitions. Word has length 70 [2018-12-02 17:57:35,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:35,659 INFO L480 AbstractCegarLoop]: Abstraction has 47672 states and 144131 transitions. [2018-12-02 17:57:35,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:57:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47672 states and 144131 transitions. [2018-12-02 17:57:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:57:35,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:35,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:35,671 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:35,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:35,671 INFO L82 PathProgramCache]: Analyzing trace with hash 505469562, now seen corresponding path program 1 times [2018-12-02 17:57:35,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:35,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:35,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:35,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:35,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:35,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:35,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:57:35,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:35,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:57:35,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:57:35,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:35,729 INFO L87 Difference]: Start difference. First operand 47672 states and 144131 transitions. Second operand 8 states. [2018-12-02 17:57:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:36,484 INFO L93 Difference]: Finished difference Result 57838 states and 172357 transitions. [2018-12-02 17:57:36,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:57:36,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2018-12-02 17:57:36,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:36,553 INFO L225 Difference]: With dead ends: 57838 [2018-12-02 17:57:36,553 INFO L226 Difference]: Without dead ends: 57838 [2018-12-02 17:57:36,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:57:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57838 states. [2018-12-02 17:57:37,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57838 to 50532. [2018-12-02 17:57:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50532 states. [2018-12-02 17:57:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50532 states to 50532 states and 152080 transitions. [2018-12-02 17:57:37,151 INFO L78 Accepts]: Start accepts. Automaton has 50532 states and 152080 transitions. Word has length 70 [2018-12-02 17:57:37,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:37,151 INFO L480 AbstractCegarLoop]: Abstraction has 50532 states and 152080 transitions. [2018-12-02 17:57:37,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:57:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 50532 states and 152080 transitions. [2018-12-02 17:57:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:57:37,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:37,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:37,163 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:37,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:37,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1392973243, now seen corresponding path program 1 times [2018-12-02 17:57:37,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:37,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:37,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,165 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:37,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:37,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:57:37,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:37,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:57:37,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:57:37,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:57:37,198 INFO L87 Difference]: Start difference. First operand 50532 states and 152080 transitions. Second operand 5 states. [2018-12-02 17:57:37,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:37,238 INFO L93 Difference]: Finished difference Result 13236 states and 33132 transitions. [2018-12-02 17:57:37,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:57:37,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 17:57:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:37,246 INFO L225 Difference]: With dead ends: 13236 [2018-12-02 17:57:37,246 INFO L226 Difference]: Without dead ends: 11116 [2018-12-02 17:57:37,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:37,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2018-12-02 17:57:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 8545. [2018-12-02 17:57:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8545 states. [2018-12-02 17:57:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 21304 transitions. [2018-12-02 17:57:37,324 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 21304 transitions. Word has length 70 [2018-12-02 17:57:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:37,325 INFO L480 AbstractCegarLoop]: Abstraction has 8545 states and 21304 transitions. [2018-12-02 17:57:37,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:57:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 21304 transitions. [2018-12-02 17:57:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:57:37,330 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:37,330 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:37,330 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:37,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:37,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1668171352, now seen corresponding path program 1 times [2018-12-02 17:57:37,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:37,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:37,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:37,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:37,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:57:37,370 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:37,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:57:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:57:37,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:57:37,370 INFO L87 Difference]: Start difference. First operand 8545 states and 21304 transitions. Second operand 4 states. [2018-12-02 17:57:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:37,485 INFO L93 Difference]: Finished difference Result 9960 states and 24428 transitions. [2018-12-02 17:57:37,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:57:37,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-02 17:57:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:37,495 INFO L225 Difference]: With dead ends: 9960 [2018-12-02 17:57:37,496 INFO L226 Difference]: Without dead ends: 9960 [2018-12-02 17:57:37,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:57:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9960 states. [2018-12-02 17:57:37,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9960 to 9441. [2018-12-02 17:57:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-02 17:57:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 23271 transitions. [2018-12-02 17:57:37,818 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 23271 transitions. Word has length 98 [2018-12-02 17:57:37,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:37,819 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 23271 transitions. [2018-12-02 17:57:37,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:57:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 23271 transitions. [2018-12-02 17:57:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:57:37,825 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:37,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:37,826 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:37,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:37,826 INFO L82 PathProgramCache]: Analyzing trace with hash 549586601, now seen corresponding path program 1 times [2018-12-02 17:57:37,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:37,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:37,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:37,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:37,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:37,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:57:37,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:37,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:57:37,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:57:37,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:57:37,862 INFO L87 Difference]: Start difference. First operand 9441 states and 23271 transitions. Second operand 3 states. [2018-12-02 17:57:38,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:38,009 INFO L93 Difference]: Finished difference Result 12725 states and 30850 transitions. [2018-12-02 17:57:38,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:57:38,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-02 17:57:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:38,019 INFO L225 Difference]: With dead ends: 12725 [2018-12-02 17:57:38,019 INFO L226 Difference]: Without dead ends: 12725 [2018-12-02 17:57:38,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:57:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12725 states. [2018-12-02 17:57:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12725 to 11524. [2018-12-02 17:57:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11524 states. [2018-12-02 17:57:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11524 states to 11524 states and 28181 transitions. [2018-12-02 17:57:38,122 INFO L78 Accepts]: Start accepts. Automaton has 11524 states and 28181 transitions. Word has length 98 [2018-12-02 17:57:38,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:38,122 INFO L480 AbstractCegarLoop]: Abstraction has 11524 states and 28181 transitions. [2018-12-02 17:57:38,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:57:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 11524 states and 28181 transitions. [2018-12-02 17:57:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:57:38,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:38,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:38,130 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:38,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:38,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2029746999, now seen corresponding path program 2 times [2018-12-02 17:57:38,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:38,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:38,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:38,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:38,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:38,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:38,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:57:38,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:38,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:57:38,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:57:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:38,186 INFO L87 Difference]: Start difference. First operand 11524 states and 28181 transitions. Second operand 6 states. [2018-12-02 17:57:38,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:38,514 INFO L93 Difference]: Finished difference Result 14264 states and 34204 transitions. [2018-12-02 17:57:38,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:57:38,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-02 17:57:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:38,526 INFO L225 Difference]: With dead ends: 14264 [2018-12-02 17:57:38,526 INFO L226 Difference]: Without dead ends: 14264 [2018-12-02 17:57:38,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:38,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14264 states. [2018-12-02 17:57:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14264 to 11317. [2018-12-02 17:57:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11317 states. [2018-12-02 17:57:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11317 states to 11317 states and 27219 transitions. [2018-12-02 17:57:38,630 INFO L78 Accepts]: Start accepts. Automaton has 11317 states and 27219 transitions. Word has length 98 [2018-12-02 17:57:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:38,630 INFO L480 AbstractCegarLoop]: Abstraction has 11317 states and 27219 transitions. [2018-12-02 17:57:38,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:57:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 11317 states and 27219 transitions. [2018-12-02 17:57:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:57:38,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:38,639 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:38,640 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:38,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:38,640 INFO L82 PathProgramCache]: Analyzing trace with hash -604414203, now seen corresponding path program 1 times [2018-12-02 17:57:38,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:38,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:38,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:57:38,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:38,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:38,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:38,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:57:38,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:38,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:57:38,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:57:38,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:38,720 INFO L87 Difference]: Start difference. First operand 11317 states and 27219 transitions. Second operand 8 states. [2018-12-02 17:57:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:39,112 INFO L93 Difference]: Finished difference Result 15645 states and 37757 transitions. [2018-12-02 17:57:39,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 17:57:39,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-12-02 17:57:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:39,124 INFO L225 Difference]: With dead ends: 15645 [2018-12-02 17:57:39,124 INFO L226 Difference]: Without dead ends: 15613 [2018-12-02 17:57:39,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:57:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15613 states. [2018-12-02 17:57:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15613 to 13044. [2018-12-02 17:57:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13044 states. [2018-12-02 17:57:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13044 states to 13044 states and 31554 transitions. [2018-12-02 17:57:39,245 INFO L78 Accepts]: Start accepts. Automaton has 13044 states and 31554 transitions. Word has length 100 [2018-12-02 17:57:39,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:39,245 INFO L480 AbstractCegarLoop]: Abstraction has 13044 states and 31554 transitions. [2018-12-02 17:57:39,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:57:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 13044 states and 31554 transitions. [2018-12-02 17:57:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:57:39,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:39,255 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:39,255 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:39,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:39,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1893601734, now seen corresponding path program 1 times [2018-12-02 17:57:39,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:39,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:39,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:39,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:39,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:39,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:39,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:57:39,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:39,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:57:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:57:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:39,312 INFO L87 Difference]: Start difference. First operand 13044 states and 31554 transitions. Second operand 7 states. [2018-12-02 17:57:39,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:39,671 INFO L93 Difference]: Finished difference Result 18318 states and 44570 transitions. [2018-12-02 17:57:39,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:57:39,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-12-02 17:57:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:39,684 INFO L225 Difference]: With dead ends: 18318 [2018-12-02 17:57:39,684 INFO L226 Difference]: Without dead ends: 18318 [2018-12-02 17:57:39,684 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:57:39,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18318 states. [2018-12-02 17:57:39,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18318 to 13525. [2018-12-02 17:57:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13525 states. [2018-12-02 17:57:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13525 states to 13525 states and 32837 transitions. [2018-12-02 17:57:39,824 INFO L78 Accepts]: Start accepts. Automaton has 13525 states and 32837 transitions. Word has length 100 [2018-12-02 17:57:39,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:39,825 INFO L480 AbstractCegarLoop]: Abstraction has 13525 states and 32837 transitions. [2018-12-02 17:57:39,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:57:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 13525 states and 32837 transitions. [2018-12-02 17:57:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:57:39,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:39,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:39,835 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:39,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1513861881, now seen corresponding path program 1 times [2018-12-02 17:57:39,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:39,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:39,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:39,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:39,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:39,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:39,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:57:39,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:39,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:57:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:57:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:39,925 INFO L87 Difference]: Start difference. First operand 13525 states and 32837 transitions. Second operand 8 states. [2018-12-02 17:57:40,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:40,297 INFO L93 Difference]: Finished difference Result 15997 states and 38734 transitions. [2018-12-02 17:57:40,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:57:40,297 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-12-02 17:57:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:40,310 INFO L225 Difference]: With dead ends: 15997 [2018-12-02 17:57:40,310 INFO L226 Difference]: Without dead ends: 15997 [2018-12-02 17:57:40,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:57:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15997 states. [2018-12-02 17:57:40,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15997 to 13587. [2018-12-02 17:57:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13587 states. [2018-12-02 17:57:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13587 states to 13587 states and 32969 transitions. [2018-12-02 17:57:40,441 INFO L78 Accepts]: Start accepts. Automaton has 13587 states and 32969 transitions. Word has length 100 [2018-12-02 17:57:40,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:40,441 INFO L480 AbstractCegarLoop]: Abstraction has 13587 states and 32969 transitions. [2018-12-02 17:57:40,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:57:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 13587 states and 32969 transitions. [2018-12-02 17:57:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:57:40,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:40,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:40,451 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:40,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:40,452 INFO L82 PathProgramCache]: Analyzing trace with hash -144454555, now seen corresponding path program 1 times [2018-12-02 17:57:40,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:40,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:40,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:40,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:40,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:40,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:40,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:57:40,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:40,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:57:40,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:57:40,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:40,521 INFO L87 Difference]: Start difference. First operand 13587 states and 32969 transitions. Second operand 6 states. [2018-12-02 17:57:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:40,630 INFO L93 Difference]: Finished difference Result 13315 states and 32017 transitions. [2018-12-02 17:57:40,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:57:40,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-12-02 17:57:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:40,921 INFO L225 Difference]: With dead ends: 13315 [2018-12-02 17:57:40,921 INFO L226 Difference]: Without dead ends: 13315 [2018-12-02 17:57:40,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13315 states. [2018-12-02 17:57:41,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13315 to 11142. [2018-12-02 17:57:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11142 states. [2018-12-02 17:57:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11142 states to 11142 states and 26898 transitions. [2018-12-02 17:57:41,014 INFO L78 Accepts]: Start accepts. Automaton has 11142 states and 26898 transitions. Word has length 100 [2018-12-02 17:57:41,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:41,014 INFO L480 AbstractCegarLoop]: Abstraction has 11142 states and 26898 transitions. [2018-12-02 17:57:41,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:57:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 11142 states and 26898 transitions. [2018-12-02 17:57:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:57:41,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:41,022 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:41,022 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:41,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:41,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1824196817, now seen corresponding path program 1 times [2018-12-02 17:57:41,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:41,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:41,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:41,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:41,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:41,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:41,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:57:41,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:41,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:57:41,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:57:41,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:57:41,053 INFO L87 Difference]: Start difference. First operand 11142 states and 26898 transitions. Second operand 5 states. [2018-12-02 17:57:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:41,202 INFO L93 Difference]: Finished difference Result 12940 states and 30676 transitions. [2018-12-02 17:57:41,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:57:41,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-12-02 17:57:41,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:41,211 INFO L225 Difference]: With dead ends: 12940 [2018-12-02 17:57:41,211 INFO L226 Difference]: Without dead ends: 12940 [2018-12-02 17:57:41,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12940 states. [2018-12-02 17:57:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12940 to 11271. [2018-12-02 17:57:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11271 states. [2018-12-02 17:57:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11271 states to 11271 states and 27163 transitions. [2018-12-02 17:57:41,304 INFO L78 Accepts]: Start accepts. Automaton has 11271 states and 27163 transitions. Word has length 100 [2018-12-02 17:57:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:41,305 INFO L480 AbstractCegarLoop]: Abstraction has 11271 states and 27163 transitions. [2018-12-02 17:57:41,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:57:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 11271 states and 27163 transitions. [2018-12-02 17:57:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:41,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:41,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:41,312 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:41,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:41,313 INFO L82 PathProgramCache]: Analyzing trace with hash -309091398, now seen corresponding path program 1 times [2018-12-02 17:57:41,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:41,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:41,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:41,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:41,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:41,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:41,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:57:41,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:41,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:57:41,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:57:41,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:57:41,367 INFO L87 Difference]: Start difference. First operand 11271 states and 27163 transitions. Second operand 8 states. [2018-12-02 17:57:42,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:42,090 INFO L93 Difference]: Finished difference Result 17784 states and 41718 transitions. [2018-12-02 17:57:42,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 17:57:42,091 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-12-02 17:57:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:42,102 INFO L225 Difference]: With dead ends: 17784 [2018-12-02 17:57:42,102 INFO L226 Difference]: Without dead ends: 17689 [2018-12-02 17:57:42,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:57:42,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17689 states. [2018-12-02 17:57:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17689 to 13165. [2018-12-02 17:57:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13165 states. [2018-12-02 17:57:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13165 states to 13165 states and 31423 transitions. [2018-12-02 17:57:42,229 INFO L78 Accepts]: Start accepts. Automaton has 13165 states and 31423 transitions. Word has length 102 [2018-12-02 17:57:42,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:42,230 INFO L480 AbstractCegarLoop]: Abstraction has 13165 states and 31423 transitions. [2018-12-02 17:57:42,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:57:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 13165 states and 31423 transitions. [2018-12-02 17:57:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:42,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:42,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:42,239 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:42,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:42,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1908666555, now seen corresponding path program 1 times [2018-12-02 17:57:42,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:42,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:42,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:42,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:42,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:42,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:42,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:57:42,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:42,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:57:42,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:57:42,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:57:42,337 INFO L87 Difference]: Start difference. First operand 13165 states and 31423 transitions. Second operand 7 states. [2018-12-02 17:57:42,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:42,641 INFO L93 Difference]: Finished difference Result 18127 states and 42049 transitions. [2018-12-02 17:57:42,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:57:42,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2018-12-02 17:57:42,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:42,653 INFO L225 Difference]: With dead ends: 18127 [2018-12-02 17:57:42,653 INFO L226 Difference]: Without dead ends: 18127 [2018-12-02 17:57:42,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:57:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18127 states. [2018-12-02 17:57:42,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18127 to 15594. [2018-12-02 17:57:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15594 states. [2018-12-02 17:57:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15594 states to 15594 states and 36654 transitions. [2018-12-02 17:57:42,810 INFO L78 Accepts]: Start accepts. Automaton has 15594 states and 36654 transitions. Word has length 102 [2018-12-02 17:57:42,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:42,811 INFO L480 AbstractCegarLoop]: Abstraction has 15594 states and 36654 transitions. [2018-12-02 17:57:42,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:57:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 15594 states and 36654 transitions. [2018-12-02 17:57:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:42,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:42,821 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:42,822 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:42,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:42,822 INFO L82 PathProgramCache]: Analyzing trace with hash 2120017468, now seen corresponding path program 1 times [2018-12-02 17:57:42,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:42,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:42,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:42,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:42,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:42,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:42,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 17:57:42,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:42,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:57:42,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:57:42,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:57:42,931 INFO L87 Difference]: Start difference. First operand 15594 states and 36654 transitions. Second operand 11 states. [2018-12-02 17:57:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:43,456 INFO L93 Difference]: Finished difference Result 17810 states and 41500 transitions. [2018-12-02 17:57:43,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 17:57:43,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2018-12-02 17:57:43,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:43,468 INFO L225 Difference]: With dead ends: 17810 [2018-12-02 17:57:43,469 INFO L226 Difference]: Without dead ends: 17810 [2018-12-02 17:57:43,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-12-02 17:57:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17810 states. [2018-12-02 17:57:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17810 to 15919. [2018-12-02 17:57:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15919 states. [2018-12-02 17:57:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 37405 transitions. [2018-12-02 17:57:43,609 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 37405 transitions. Word has length 102 [2018-12-02 17:57:43,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:43,609 INFO L480 AbstractCegarLoop]: Abstraction has 15919 states and 37405 transitions. [2018-12-02 17:57:43,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:57:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 37405 transitions. [2018-12-02 17:57:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:43,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:43,620 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:43,620 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:43,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:43,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1287446147, now seen corresponding path program 1 times [2018-12-02 17:57:43,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:43,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:43,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:43,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:43,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:43,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:43,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 17:57:43,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:43,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:57:43,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:57:43,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:57:43,734 INFO L87 Difference]: Start difference. First operand 15919 states and 37405 transitions. Second operand 11 states. [2018-12-02 17:57:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:44,094 INFO L93 Difference]: Finished difference Result 29321 states and 69261 transitions. [2018-12-02 17:57:44,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 17:57:44,094 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2018-12-02 17:57:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:44,097 INFO L225 Difference]: With dead ends: 29321 [2018-12-02 17:57:44,097 INFO L226 Difference]: Without dead ends: 3693 [2018-12-02 17:57:44,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:57:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2018-12-02 17:57:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3691. [2018-12-02 17:57:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3691 states. [2018-12-02 17:57:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 8752 transitions. [2018-12-02 17:57:44,121 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 8752 transitions. Word has length 102 [2018-12-02 17:57:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:44,121 INFO L480 AbstractCegarLoop]: Abstraction has 3691 states and 8752 transitions. [2018-12-02 17:57:44,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:57:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 8752 transitions. [2018-12-02 17:57:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:44,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:44,123 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:44,124 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:44,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:44,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1904655584, now seen corresponding path program 2 times [2018-12-02 17:57:44,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:44,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:57:44,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:44,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:44,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:57:44,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:44,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:57:44,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:57:44,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:57:44,175 INFO L87 Difference]: Start difference. First operand 3691 states and 8752 transitions. Second operand 5 states. [2018-12-02 17:57:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:44,197 INFO L93 Difference]: Finished difference Result 3691 states and 8736 transitions. [2018-12-02 17:57:44,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:57:44,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-12-02 17:57:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:44,200 INFO L225 Difference]: With dead ends: 3691 [2018-12-02 17:57:44,200 INFO L226 Difference]: Without dead ends: 3691 [2018-12-02 17:57:44,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:57:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3691 states. [2018-12-02 17:57:44,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3691 to 3314. [2018-12-02 17:57:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2018-12-02 17:57:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 7875 transitions. [2018-12-02 17:57:44,224 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 7875 transitions. Word has length 102 [2018-12-02 17:57:44,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:44,224 INFO L480 AbstractCegarLoop]: Abstraction has 3314 states and 7875 transitions. [2018-12-02 17:57:44,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:57:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 7875 transitions. [2018-12-02 17:57:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:44,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:44,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:44,227 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:44,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:44,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1017151903, now seen corresponding path program 2 times [2018-12-02 17:57:44,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:44,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,228 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:57:44,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:57:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:57:44,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:57:44,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 17:57:44,329 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:57:44,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 17:57:44,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 17:57:44,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:57:44,329 INFO L87 Difference]: Start difference. First operand 3314 states and 7875 transitions. Second operand 13 states. [2018-12-02 17:57:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:57:44,753 INFO L93 Difference]: Finished difference Result 5212 states and 12160 transitions. [2018-12-02 17:57:44,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 17:57:44,754 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2018-12-02 17:57:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:57:44,757 INFO L225 Difference]: With dead ends: 5212 [2018-12-02 17:57:44,757 INFO L226 Difference]: Without dead ends: 3813 [2018-12-02 17:57:44,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-12-02 17:57:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2018-12-02 17:57:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3370. [2018-12-02 17:57:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2018-12-02 17:57:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 7937 transitions. [2018-12-02 17:57:44,780 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 7937 transitions. Word has length 102 [2018-12-02 17:57:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:57:44,780 INFO L480 AbstractCegarLoop]: Abstraction has 3370 states and 7937 transitions. [2018-12-02 17:57:44,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 17:57:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 7937 transitions. [2018-12-02 17:57:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:57:44,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:57:44,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:57:44,783 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:57:44,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:57:44,783 INFO L82 PathProgramCache]: Analyzing trace with hash -604299489, now seen corresponding path program 3 times [2018-12-02 17:57:44,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:57:44,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,784 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:57:44,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:57:44,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:57:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:57:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:57:44,820 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:57:44,890 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 17:57:44,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:57:44 BasicIcfg [2018-12-02 17:57:44,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:57:44,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:57:44,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:57:44,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:57:44,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:56:38" (3/4) ... [2018-12-02 17:57:44,894 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 17:57:44,967 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5548c9a-cfe1-4717-95c4-5ad0a016dce4/bin-2019/utaipan/witness.graphml [2018-12-02 17:57:44,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:57:44,968 INFO L168 Benchmark]: Toolchain (without parser) took 66950.24 ms. Allocated memory was 1.0 GB in the beginning and 6.8 GB in the end (delta: 5.8 GB). Free memory was 948.1 MB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,969 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:57:44,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,970 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:57:44,970 INFO L168 Benchmark]: RCFGBuilder took 393.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,970 INFO L168 Benchmark]: TraceAbstraction took 66084.32 ms. Allocated memory was 1.1 GB in the beginning and 6.8 GB in the end (delta: 5.6 GB). Free memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,970 INFO L168 Benchmark]: Witness Printer took 75.74 ms. Allocated memory is still 6.8 GB. Free memory was 4.0 GB in the beginning and 4.0 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:57:44,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 393.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 66084.32 ms. Allocated memory was 1.1 GB in the beginning and 6.8 GB in the end (delta: 5.6 GB). Free memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 75.74 ms. Allocated memory is still 6.8 GB. Free memory was 4.0 GB in the beginning and 4.0 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L678] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L679] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L680] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L682] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L684] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L685] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L686] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L687] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L688] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L689] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L690] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L691] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L692] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L693] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L694] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L695] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L696] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L697] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L698] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L699] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L700] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L786] -1 pthread_t t1771; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L787] FCALL, FORK -1 pthread_create(&t1771, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L788] -1 pthread_t t1772; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L789] FCALL, FORK -1 pthread_create(&t1772, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 0 y$w_buff1 = y$w_buff0 [L735] 0 y$w_buff0 = 1 [L736] 0 y$w_buff1_used = y$w_buff0_used [L737] 0 y$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L740] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L741] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L742] 0 y$r_buff0_thd2 = (_Bool)1 [L745] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L746] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L747] 0 y$flush_delayed = weak$$choice2 [L748] 0 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 0 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L750] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L751] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L751] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L752] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L753] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 0 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L754] 0 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L755] EXPR 0 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 0 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L756] 0 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L757] EXPR 0 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L757] 0 y = y$flush_delayed ? y$mem_tmp : y [L758] 0 y$flush_delayed = (_Bool)0 [L761] 0 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L704] 1 x = 1 [L709] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L710] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L711] 1 y$flush_delayed = weak$$choice2 [L712] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L713] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 0 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L765] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L766] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L713] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L714] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L714] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L715] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L715] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L767] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L767] 0 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L768] 0 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L771] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L716] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L717] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L718] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L719] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L720] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L721] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L721] 1 y = y$flush_delayed ? y$mem_tmp : y [L722] 1 y$flush_delayed = (_Bool)0 [L727] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L791] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L796] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L796] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L797] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L797] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L798] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L799] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L802] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 283 locations, 3 error locations. UNSAFE Result, 66.0s OverallTime, 29 OverallIterations, 1 TraceHistogramMax, 21.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10649 SDtfs, 13831 SDslu, 30410 SDs, 0 SdLazy, 12608 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 72 SyntacticMatches, 15 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229832occurred in iteration=7, 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: 36.6s AutomataMinimizationTime, 28 MinimizatonAttempts, 510913 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2305 NumberOfCodeBlocks, 2305 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2175 ConstructedInterpolants, 0 QuantifiedInterpolants, 504313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...