./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix022_pso.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_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix022_pso.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/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 1c54506a798de9d41251094a4ea3380b8b9997e5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:53,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:12:53,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:12:53,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:12:53,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:12:53,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:12:53,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:12:53,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:12:53,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:12:53,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:12:53,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:12:53,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:12:53,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:12:53,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:12:53,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:12:53,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:12:53,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:12:53,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:12:53,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:12:53,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:12:53,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:12:53,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:12:53,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:12:53,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:12:53,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:12:53,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:12:53,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:12:53,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:12:53,669 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:12:53,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:12:53,669 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:12:53,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:12:53,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:12:53,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:12:53,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:12:53,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:12:53,671 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:12:53,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:12:53,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:12:53,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:12:53,679 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:12:53,679 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:12:53,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:12:53,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:12:53,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:12:53,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:12:53,681 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:12:53,682 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_c21dce8b-33c4-4e21-adc9-8b60385f0e07/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 -> 1c54506a798de9d41251094a4ea3380b8b9997e5 [2018-12-02 17:12:53,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:12:53,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:12:53,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:12:53,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:12:53,708 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:12:53,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix022_pso.oepc_false-unreach-call.i [2018-12-02 17:12:53,746 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/data/8a89800ad/20eebd4355e54d16a4fa895dd4821f58/FLAGe12d676d6 [2018-12-02 17:12:54,197 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:12:54,197 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/sv-benchmarks/c/pthread-wmm/mix022_pso.oepc_false-unreach-call.i [2018-12-02 17:12:54,205 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/data/8a89800ad/20eebd4355e54d16a4fa895dd4821f58/FLAGe12d676d6 [2018-12-02 17:12:54,213 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/data/8a89800ad/20eebd4355e54d16a4fa895dd4821f58 [2018-12-02 17:12:54,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:12:54,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:12:54,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:12:54,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:12:54,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:12:54,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54, skipping insertion in model container [2018-12-02 17:12:54,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:12:54,246 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:12:54,422 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:12:54,430 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:12:54,513 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:12:54,548 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:12:54,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54 WrapperNode [2018-12-02 17:12:54,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:12:54,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:12:54,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:12:54,549 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:12:54,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:12:54,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:12:54,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:12:54,585 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:12:54,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... [2018-12-02 17:12:54,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:12:54,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:12:54,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:12:54,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:12:54,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/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 17:12:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 17:12:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 17:12:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 17:12:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 17:12:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:12:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:12:54,647 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 17:12:54,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:12:54,972 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 17:12:54,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:54 BoogieIcfgContainer [2018-12-02 17:12:54,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:12:54,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:12:54,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:12:54,974 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:12:54,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:12:54" (1/3) ... [2018-12-02 17:12:54,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b98844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:54, skipping insertion in model container [2018-12-02 17:12:54,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:54" (2/3) ... [2018-12-02 17:12:54,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b98844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:54, skipping insertion in model container [2018-12-02 17:12:54,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:54" (3/3) ... [2018-12-02 17:12:54,976 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_pso.oepc_false-unreach-call.i [2018-12-02 17:12:54,999 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,000 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,001 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,002 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,003 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,004 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,005 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,006 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,007 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,010 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,011 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,012 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,013 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,014 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,015 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:55,022 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 17:12:55,022 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:12:55,028 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 17:12:55,038 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 17:12:55,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:12:55,054 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:12:55,054 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:12:55,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:12:55,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:12:55,054 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:12:55,054 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:12:55,054 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:12:55,061 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-02 17:12:56,557 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-02 17:12:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-02 17:12:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:12:56,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:56,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:56,565 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:56,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:56,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2100747441, now seen corresponding path program 1 times [2018-12-02 17:12:56,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:56,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:56,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:56,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:56,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:56,714 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 17:12:56,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:56,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:12:56,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:56,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:12:56,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:12:56,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:12:56,728 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-02 17:12:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:57,226 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-02 17:12:57,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:12:57,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-02 17:12:57,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:57,390 INFO L225 Difference]: With dead ends: 60790 [2018-12-02 17:12:57,390 INFO L226 Difference]: Without dead ends: 44270 [2018-12-02 17:12:57,391 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 17:12:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-02 17:12:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-02 17:12:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-02 17:12:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-02 17:12:58,152 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-02 17:12:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:58,152 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-02 17:12:58,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:12:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-02 17:12:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 17:12:58,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:58,156 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] [2018-12-02 17:12:58,156 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:58,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1664977985, now seen corresponding path program 1 times [2018-12-02 17:12:58,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:58,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:58,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:58,204 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 17:12:58,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:58,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:12:58,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:58,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:12:58,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:12:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:12:58,206 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-02 17:12:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:58,269 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-02 17:12:58,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:12:58,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-02 17:12:58,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:58,284 INFO L225 Difference]: With dead ends: 8528 [2018-12-02 17:12:58,284 INFO L226 Difference]: Without dead ends: 7466 [2018-12-02 17:12:58,284 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 17:12:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-02 17:12:58,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-02 17:12:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-02 17:12:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-02 17:12:58,369 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-02 17:12:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:58,369 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-02 17:12:58,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:12:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-02 17:12:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:12:58,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:58,370 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 17:12:58,371 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:58,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:58,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1909915460, now seen corresponding path program 1 times [2018-12-02 17:12:58,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:58,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:58,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:58,419 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 17:12:58,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:58,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:12:58,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:58,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:12:58,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:12:58,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:12:58,420 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-02 17:12:58,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:58,627 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-02 17:12:58,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:12:58,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-02 17:12:58,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:58,660 INFO L225 Difference]: With dead ends: 13998 [2018-12-02 17:12:58,660 INFO L226 Difference]: Without dead ends: 13930 [2018-12-02 17:12:58,660 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 17:12:58,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-02 17:12:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-02 17:12:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-02 17:12:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-02 17:12:58,863 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-02 17:12:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:58,864 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-02 17:12:58,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:12:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-02 17:12:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:12:58,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:58,865 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] [2018-12-02 17:12:58,865 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:58,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1845061814, now seen corresponding path program 1 times [2018-12-02 17:12:58,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:58,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:58,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:58,867 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:58,889 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 17:12:58,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:58,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:12:58,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:58,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:12:58,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:12:58,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:12:58,890 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-02 17:12:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:58,954 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-02 17:12:58,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:12:58,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-02 17:12:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:58,971 INFO L225 Difference]: With dead ends: 13279 [2018-12-02 17:12:58,971 INFO L226 Difference]: Without dead ends: 13279 [2018-12-02 17:12:58,971 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 17:12:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-02 17:12:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-02 17:12:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-02 17:12:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-02 17:12:59,097 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-02 17:12:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:59,097 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-02 17:12:59,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:12:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-02 17:12:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:12:59,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:59,099 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] [2018-12-02 17:12:59,099 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:59,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:59,099 INFO L82 PathProgramCache]: Analyzing trace with hash 484350805, now seen corresponding path program 1 times [2018-12-02 17:12:59,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:59,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:59,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:59,177 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 17:12:59,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:59,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:12:59,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:59,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:12:59,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:12:59,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:59,178 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-02 17:12:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:59,521 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-02 17:12:59,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:12:59,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 17:12:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:59,535 INFO L225 Difference]: With dead ends: 12285 [2018-12-02 17:12:59,536 INFO L226 Difference]: Without dead ends: 12213 [2018-12-02 17:12:59,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:12:59,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-02 17:12:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-02 17:12:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-02 17:12:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-02 17:12:59,648 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-02 17:12:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:59,649 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-02 17:12:59,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:12:59,649 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-02 17:12:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 17:12:59,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:59,652 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] [2018-12-02 17:12:59,652 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:59,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:59,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1383304625, now seen corresponding path program 1 times [2018-12-02 17:12:59,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:59,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:59,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:59,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:59,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:12:59,691 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:12:59,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:12:59,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:12:59,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:12:59,692 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-02 17:12:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:59,775 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-02 17:12:59,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:12:59,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-02 17:12:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:59,789 INFO L225 Difference]: With dead ends: 12396 [2018-12-02 17:12:59,790 INFO L226 Difference]: Without dead ends: 12396 [2018-12-02 17:12:59,790 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 17:12:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-02 17:12:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-02 17:12:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-02 17:12:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-02 17:12:59,924 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-02 17:12:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:59,924 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-02 17:12:59,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:12:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-02 17:12:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 17:12:59,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:59,928 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] [2018-12-02 17:12:59,928 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:59,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:59,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1168852336, now seen corresponding path program 1 times [2018-12-02 17:12:59,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:12:59,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:59,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:12:59,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:12:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:00,000 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 17:13:00,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:00,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:00,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:00,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:00,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:00,001 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-02 17:13:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:00,330 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-02 17:13:00,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:13:00,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-02 17:13:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:00,353 INFO L225 Difference]: With dead ends: 20969 [2018-12-02 17:13:00,353 INFO L226 Difference]: Without dead ends: 20898 [2018-12-02 17:13:00,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:13:00,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-02 17:13:00,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-02 17:13:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-02 17:13:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-02 17:13:00,530 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-02 17:13:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:00,531 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-02 17:13:00,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-02 17:13:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 17:13:00,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:00,535 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] [2018-12-02 17:13:00,535 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:00,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1208126989, now seen corresponding path program 1 times [2018-12-02 17:13:00,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:00,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:00,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:00,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:00,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:00,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:00,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:13:00,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:00,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:13:00,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:13:00,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:00,583 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-02 17:13:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:00,807 INFO L93 Difference]: Finished difference Result 23352 states and 74493 transitions. [2018-12-02 17:13:00,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:13:00,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 17:13:00,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:00,834 INFO L225 Difference]: With dead ends: 23352 [2018-12-02 17:13:00,834 INFO L226 Difference]: Without dead ends: 23352 [2018-12-02 17:13:00,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23352 states. [2018-12-02 17:13:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23352 to 14523. [2018-12-02 17:13:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14523 states. [2018-12-02 17:13:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 45664 transitions. [2018-12-02 17:13:01,021 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 45664 transitions. Word has length 64 [2018-12-02 17:13:01,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:01,021 INFO L480 AbstractCegarLoop]: Abstraction has 14523 states and 45664 transitions. [2018-12-02 17:13:01,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:13:01,021 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 45664 transitions. [2018-12-02 17:13:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 17:13:01,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:01,025 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] [2018-12-02 17:13:01,025 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:01,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:01,025 INFO L82 PathProgramCache]: Analyzing trace with hash -914723982, now seen corresponding path program 1 times [2018-12-02 17:13:01,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:01,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:01,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:01,071 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 17:13:01,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:01,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:13:01,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:01,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:13:01,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:13:01,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:01,072 INFO L87 Difference]: Start difference. First operand 14523 states and 45664 transitions. Second operand 4 states. [2018-12-02 17:13:01,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:01,297 INFO L93 Difference]: Finished difference Result 18411 states and 56991 transitions. [2018-12-02 17:13:01,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:13:01,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 17:13:01,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:01,316 INFO L225 Difference]: With dead ends: 18411 [2018-12-02 17:13:01,316 INFO L226 Difference]: Without dead ends: 18411 [2018-12-02 17:13:01,317 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 17:13:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-12-02 17:13:01,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 16569. [2018-12-02 17:13:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-12-02 17:13:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 51537 transitions. [2018-12-02 17:13:01,547 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 51537 transitions. Word has length 64 [2018-12-02 17:13:01,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:01,547 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 51537 transitions. [2018-12-02 17:13:01,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:13:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 51537 transitions. [2018-12-02 17:13:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 17:13:01,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:01,552 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] [2018-12-02 17:13:01,552 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:01,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash 126242611, now seen corresponding path program 1 times [2018-12-02 17:13:01,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:01,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:01,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:01,576 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 17:13:01,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:01,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:13:01,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:01,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:13:01,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:13:01,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:13:01,578 INFO L87 Difference]: Start difference. First operand 16569 states and 51537 transitions. Second operand 3 states. [2018-12-02 17:13:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:01,718 INFO L93 Difference]: Finished difference Result 17193 states and 53232 transitions. [2018-12-02 17:13:01,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:13:01,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-02 17:13:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:01,737 INFO L225 Difference]: With dead ends: 17193 [2018-12-02 17:13:01,737 INFO L226 Difference]: Without dead ends: 17193 [2018-12-02 17:13:01,737 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 17:13:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2018-12-02 17:13:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 16901. [2018-12-02 17:13:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16901 states. [2018-12-02 17:13:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 52431 transitions. [2018-12-02 17:13:01,904 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 52431 transitions. Word has length 64 [2018-12-02 17:13:01,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:01,904 INFO L480 AbstractCegarLoop]: Abstraction has 16901 states and 52431 transitions. [2018-12-02 17:13:01,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:13:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 52431 transitions. [2018-12-02 17:13:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:01,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:01,910 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] [2018-12-02 17:13:01,910 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:01,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:01,910 INFO L82 PathProgramCache]: Analyzing trace with hash -859455011, now seen corresponding path program 1 times [2018-12-02 17:13:01,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:01,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:01,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:01,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:01,962 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 17:13:01,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:01,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:01,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:01,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:01,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:01,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:01,963 INFO L87 Difference]: Start difference. First operand 16901 states and 52431 transitions. Second operand 6 states. [2018-12-02 17:13:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:02,871 INFO L93 Difference]: Finished difference Result 20789 states and 63395 transitions. [2018-12-02 17:13:02,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:02,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-02 17:13:02,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:02,911 INFO L225 Difference]: With dead ends: 20789 [2018-12-02 17:13:02,912 INFO L226 Difference]: Without dead ends: 20789 [2018-12-02 17:13:02,912 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 17:13:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2018-12-02 17:13:03,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 19521. [2018-12-02 17:13:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19521 states. [2018-12-02 17:13:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 60007 transitions. [2018-12-02 17:13:03,116 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 60007 transitions. Word has length 66 [2018-12-02 17:13:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:03,116 INFO L480 AbstractCegarLoop]: Abstraction has 19521 states and 60007 transitions. [2018-12-02 17:13:03,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 60007 transitions. [2018-12-02 17:13:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:03,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:03,123 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] [2018-12-02 17:13:03,123 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:03,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:03,124 INFO L82 PathProgramCache]: Analyzing trace with hash 102159006, now seen corresponding path program 1 times [2018-12-02 17:13:03,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:03,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:03,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:03,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:03,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:03,184 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 17:13:03,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:03,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:03,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:03,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:03,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:03,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:03,185 INFO L87 Difference]: Start difference. First operand 19521 states and 60007 transitions. Second operand 6 states. [2018-12-02 17:13:03,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:03,505 INFO L93 Difference]: Finished difference Result 22441 states and 66578 transitions. [2018-12-02 17:13:03,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:13:03,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-02 17:13:03,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:03,530 INFO L225 Difference]: With dead ends: 22441 [2018-12-02 17:13:03,531 INFO L226 Difference]: Without dead ends: 22441 [2018-12-02 17:13:03,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22441 states. [2018-12-02 17:13:03,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22441 to 20085. [2018-12-02 17:13:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20085 states. [2018-12-02 17:13:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 60622 transitions. [2018-12-02 17:13:03,829 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 60622 transitions. Word has length 66 [2018-12-02 17:13:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:03,829 INFO L480 AbstractCegarLoop]: Abstraction has 20085 states and 60622 transitions. [2018-12-02 17:13:03,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 60622 transitions. [2018-12-02 17:13:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:03,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:03,835 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] [2018-12-02 17:13:03,835 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:03,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:03,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1346923487, now seen corresponding path program 1 times [2018-12-02 17:13:03,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:03,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:03,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:03,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:03,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:03,865 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 17:13:03,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:03,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:03,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:03,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:03,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:03,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:03,866 INFO L87 Difference]: Start difference. First operand 20085 states and 60622 transitions. Second operand 5 states. [2018-12-02 17:13:04,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:04,084 INFO L93 Difference]: Finished difference Result 26432 states and 79262 transitions. [2018-12-02 17:13:04,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:04,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 17:13:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:04,113 INFO L225 Difference]: With dead ends: 26432 [2018-12-02 17:13:04,113 INFO L226 Difference]: Without dead ends: 26432 [2018-12-02 17:13:04,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 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 17:13:04,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2018-12-02 17:13:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 23813. [2018-12-02 17:13:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23813 states. [2018-12-02 17:13:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 71372 transitions. [2018-12-02 17:13:04,367 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 71372 transitions. Word has length 66 [2018-12-02 17:13:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:04,367 INFO L480 AbstractCegarLoop]: Abstraction has 23813 states and 71372 transitions. [2018-12-02 17:13:04,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 71372 transitions. [2018-12-02 17:13:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:04,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:04,375 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] [2018-12-02 17:13:04,375 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:04,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:04,375 INFO L82 PathProgramCache]: Analyzing trace with hash 836389310, now seen corresponding path program 1 times [2018-12-02 17:13:04,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:04,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:04,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:04,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:04,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:04,416 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 17:13:04,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:04,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:04,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:04,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:04,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:04,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:04,417 INFO L87 Difference]: Start difference. First operand 23813 states and 71372 transitions. Second operand 5 states. [2018-12-02 17:13:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:04,726 INFO L93 Difference]: Finished difference Result 33063 states and 98211 transitions. [2018-12-02 17:13:04,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:13:04,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 17:13:04,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:04,762 INFO L225 Difference]: With dead ends: 33063 [2018-12-02 17:13:04,762 INFO L226 Difference]: Without dead ends: 33063 [2018-12-02 17:13:04,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 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 17:13:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33063 states. [2018-12-02 17:13:05,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33063 to 29343. [2018-12-02 17:13:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29343 states. [2018-12-02 17:13:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29343 states to 29343 states and 87599 transitions. [2018-12-02 17:13:05,119 INFO L78 Accepts]: Start accepts. Automaton has 29343 states and 87599 transitions. Word has length 66 [2018-12-02 17:13:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:05,119 INFO L480 AbstractCegarLoop]: Abstraction has 29343 states and 87599 transitions. [2018-12-02 17:13:05,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29343 states and 87599 transitions. [2018-12-02 17:13:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:05,127 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:05,127 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] [2018-12-02 17:13:05,127 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:05,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:05,128 INFO L82 PathProgramCache]: Analyzing trace with hash -971065153, now seen corresponding path program 1 times [2018-12-02 17:13:05,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:05,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:05,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:05,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:05,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:05,164 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 17:13:05,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:05,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:13:05,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:05,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:13:05,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:13:05,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:05,165 INFO L87 Difference]: Start difference. First operand 29343 states and 87599 transitions. Second operand 4 states. [2018-12-02 17:13:05,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:05,516 INFO L93 Difference]: Finished difference Result 38903 states and 116585 transitions. [2018-12-02 17:13:05,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:13:05,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-02 17:13:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:05,558 INFO L225 Difference]: With dead ends: 38903 [2018-12-02 17:13:05,558 INFO L226 Difference]: Without dead ends: 38671 [2018-12-02 17:13:05,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:13:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38671 states. [2018-12-02 17:13:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38671 to 35807. [2018-12-02 17:13:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-02 17:13:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-02 17:13:05,971 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-02 17:13:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:05,971 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-02 17:13:05,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:13:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-02 17:13:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:05,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:05,979 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] [2018-12-02 17:13:05,980 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:05,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:05,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1526950784, now seen corresponding path program 1 times [2018-12-02 17:13:05,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:05,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:05,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:05,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:05,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:06,012 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 17:13:06,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:06,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:06,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:06,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:06,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:06,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:06,013 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 5 states. [2018-12-02 17:13:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:06,045 INFO L93 Difference]: Finished difference Result 9315 states and 22546 transitions. [2018-12-02 17:13:06,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:13:06,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 17:13:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:06,050 INFO L225 Difference]: With dead ends: 9315 [2018-12-02 17:13:06,050 INFO L226 Difference]: Without dead ends: 7463 [2018-12-02 17:13:06,050 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 17:13:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7463 states. [2018-12-02 17:13:06,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7463 to 6360. [2018-12-02 17:13:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6360 states. [2018-12-02 17:13:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6360 states to 6360 states and 15017 transitions. [2018-12-02 17:13:06,099 INFO L78 Accepts]: Start accepts. Automaton has 6360 states and 15017 transitions. Word has length 66 [2018-12-02 17:13:06,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:06,099 INFO L480 AbstractCegarLoop]: Abstraction has 6360 states and 15017 transitions. [2018-12-02 17:13:06,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6360 states and 15017 transitions. [2018-12-02 17:13:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 17:13:06,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:06,103 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] [2018-12-02 17:13:06,103 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:06,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:06,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1184013087, now seen corresponding path program 1 times [2018-12-02 17:13:06,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:06,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:06,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:06,124 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 17:13:06,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:06,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:13:06,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:06,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:13:06,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:13:06,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:13:06,125 INFO L87 Difference]: Start difference. First operand 6360 states and 15017 transitions. Second operand 3 states. [2018-12-02 17:13:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:06,151 INFO L93 Difference]: Finished difference Result 8819 states and 20756 transitions. [2018-12-02 17:13:06,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:13:06,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-02 17:13:06,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:06,157 INFO L225 Difference]: With dead ends: 8819 [2018-12-02 17:13:06,157 INFO L226 Difference]: Without dead ends: 8819 [2018-12-02 17:13:06,157 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 17:13:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8819 states. [2018-12-02 17:13:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8819 to 6299. [2018-12-02 17:13:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6299 states. [2018-12-02 17:13:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 14557 transitions. [2018-12-02 17:13:06,208 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 14557 transitions. Word has length 66 [2018-12-02 17:13:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:06,209 INFO L480 AbstractCegarLoop]: Abstraction has 6299 states and 14557 transitions. [2018-12-02 17:13:06,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:13:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 14557 transitions. [2018-12-02 17:13:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 17:13:06,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:06,212 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] [2018-12-02 17:13:06,212 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:06,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash 280585492, now seen corresponding path program 1 times [2018-12-02 17:13:06,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:06,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:06,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:06,247 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 17:13:06,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:06,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:06,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:06,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:06,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:06,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:06,248 INFO L87 Difference]: Start difference. First operand 6299 states and 14557 transitions. Second operand 5 states. [2018-12-02 17:13:06,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:06,337 INFO L93 Difference]: Finished difference Result 7469 states and 17198 transitions. [2018-12-02 17:13:06,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:13:06,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-02 17:13:06,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:06,342 INFO L225 Difference]: With dead ends: 7469 [2018-12-02 17:13:06,342 INFO L226 Difference]: Without dead ends: 7469 [2018-12-02 17:13:06,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2018-12-02 17:13:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 6743. [2018-12-02 17:13:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6743 states. [2018-12-02 17:13:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6743 states to 6743 states and 15561 transitions. [2018-12-02 17:13:06,390 INFO L78 Accepts]: Start accepts. Automaton has 6743 states and 15561 transitions. Word has length 72 [2018-12-02 17:13:06,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:06,391 INFO L480 AbstractCegarLoop]: Abstraction has 6743 states and 15561 transitions. [2018-12-02 17:13:06,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 6743 states and 15561 transitions. [2018-12-02 17:13:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 17:13:06,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:06,394 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:06,395 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:06,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2023395827, now seen corresponding path program 1 times [2018-12-02 17:13:06,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:06,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:06,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:06,494 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 17:13:06,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:06,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:13:06,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:06,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:13:06,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:13:06,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:06,495 INFO L87 Difference]: Start difference. First operand 6743 states and 15561 transitions. Second operand 9 states. [2018-12-02 17:13:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:06,820 INFO L93 Difference]: Finished difference Result 8945 states and 20482 transitions. [2018-12-02 17:13:06,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 17:13:06,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-02 17:13:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:06,830 INFO L225 Difference]: With dead ends: 8945 [2018-12-02 17:13:06,830 INFO L226 Difference]: Without dead ends: 8826 [2018-12-02 17:13:06,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-02 17:13:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8826 states. [2018-12-02 17:13:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8826 to 6840. [2018-12-02 17:13:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6840 states. [2018-12-02 17:13:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6840 states to 6840 states and 15654 transitions. [2018-12-02 17:13:06,889 INFO L78 Accepts]: Start accepts. Automaton has 6840 states and 15654 transitions. Word has length 72 [2018-12-02 17:13:06,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:06,890 INFO L480 AbstractCegarLoop]: Abstraction has 6840 states and 15654 transitions. [2018-12-02 17:13:06,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:13:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 6840 states and 15654 transitions. [2018-12-02 17:13:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 17:13:06,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:06,894 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] [2018-12-02 17:13:06,894 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:06,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:06,895 INFO L82 PathProgramCache]: Analyzing trace with hash -755254731, now seen corresponding path program 1 times [2018-12-02 17:13:06,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:06,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:06,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:06,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:06,934 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 17:13:06,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:06,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:13:06,934 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:06,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:13:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:13:06,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:06,935 INFO L87 Difference]: Start difference. First operand 6840 states and 15654 transitions. Second operand 4 states. [2018-12-02 17:13:07,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:07,089 INFO L93 Difference]: Finished difference Result 10607 states and 24141 transitions. [2018-12-02 17:13:07,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:13:07,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-02 17:13:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:07,096 INFO L225 Difference]: With dead ends: 10607 [2018-12-02 17:13:07,096 INFO L226 Difference]: Without dead ends: 10607 [2018-12-02 17:13:07,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2018-12-02 17:13:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 7960. [2018-12-02 17:13:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7960 states. [2018-12-02 17:13:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7960 states to 7960 states and 17988 transitions. [2018-12-02 17:13:07,159 INFO L78 Accepts]: Start accepts. Automaton has 7960 states and 17988 transitions. Word has length 91 [2018-12-02 17:13:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:07,159 INFO L480 AbstractCegarLoop]: Abstraction has 7960 states and 17988 transitions. [2018-12-02 17:13:07,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:13:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 7960 states and 17988 transitions. [2018-12-02 17:13:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 17:13:07,164 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:07,164 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] [2018-12-02 17:13:07,164 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:07,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:07,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1154554199, now seen corresponding path program 1 times [2018-12-02 17:13:07,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:07,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:07,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,165 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:07,201 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 17:13:07,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:07,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:13:07,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:07,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:13:07,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:13:07,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:13:07,202 INFO L87 Difference]: Start difference. First operand 7960 states and 17988 transitions. Second operand 4 states. [2018-12-02 17:13:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:07,263 INFO L93 Difference]: Finished difference Result 8525 states and 19281 transitions. [2018-12-02 17:13:07,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:13:07,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-02 17:13:07,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:07,268 INFO L225 Difference]: With dead ends: 8525 [2018-12-02 17:13:07,268 INFO L226 Difference]: Without dead ends: 8525 [2018-12-02 17:13:07,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 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 17:13:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2018-12-02 17:13:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 7866. [2018-12-02 17:13:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7866 states. [2018-12-02 17:13:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7866 states to 7866 states and 17883 transitions. [2018-12-02 17:13:07,324 INFO L78 Accepts]: Start accepts. Automaton has 7866 states and 17883 transitions. Word has length 91 [2018-12-02 17:13:07,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:07,324 INFO L480 AbstractCegarLoop]: Abstraction has 7866 states and 17883 transitions. [2018-12-02 17:13:07,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:13:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7866 states and 17883 transitions. [2018-12-02 17:13:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:07,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:07,329 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] [2018-12-02 17:13:07,329 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:07,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:07,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2080314235, now seen corresponding path program 1 times [2018-12-02 17:13:07,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:07,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:07,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:07,383 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 17:13:07,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:07,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:13:07,384 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:07,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:13:07,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:13:07,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:13:07,384 INFO L87 Difference]: Start difference. First operand 7866 states and 17883 transitions. Second operand 7 states. [2018-12-02 17:13:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:07,818 INFO L93 Difference]: Finished difference Result 9704 states and 21991 transitions. [2018-12-02 17:13:07,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:07,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-02 17:13:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:07,825 INFO L225 Difference]: With dead ends: 9704 [2018-12-02 17:13:07,826 INFO L226 Difference]: Without dead ends: 9704 [2018-12-02 17:13:07,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:13:07,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9704 states. [2018-12-02 17:13:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9704 to 7978. [2018-12-02 17:13:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7978 states. [2018-12-02 17:13:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7978 states to 7978 states and 18203 transitions. [2018-12-02 17:13:07,905 INFO L78 Accepts]: Start accepts. Automaton has 7978 states and 18203 transitions. Word has length 93 [2018-12-02 17:13:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:07,905 INFO L480 AbstractCegarLoop]: Abstraction has 7978 states and 18203 transitions. [2018-12-02 17:13:07,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:13:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 7978 states and 18203 transitions. [2018-12-02 17:13:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:07,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:07,911 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] [2018-12-02 17:13:07,911 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:07,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:07,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1775857056, now seen corresponding path program 1 times [2018-12-02 17:13:07,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:07,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:07,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:07,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:07,940 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 17:13:07,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:07,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:07,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:07,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:07,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:07,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:07,941 INFO L87 Difference]: Start difference. First operand 7978 states and 18203 transitions. Second operand 5 states. [2018-12-02 17:13:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:08,034 INFO L93 Difference]: Finished difference Result 8885 states and 20161 transitions. [2018-12-02 17:13:08,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:08,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-02 17:13:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:08,042 INFO L225 Difference]: With dead ends: 8885 [2018-12-02 17:13:08,042 INFO L226 Difference]: Without dead ends: 8885 [2018-12-02 17:13:08,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 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 17:13:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8885 states. [2018-12-02 17:13:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8885 to 6874. [2018-12-02 17:13:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6874 states. [2018-12-02 17:13:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6874 states to 6874 states and 15722 transitions. [2018-12-02 17:13:08,113 INFO L78 Accepts]: Start accepts. Automaton has 6874 states and 15722 transitions. Word has length 93 [2018-12-02 17:13:08,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:08,113 INFO L480 AbstractCegarLoop]: Abstraction has 6874 states and 15722 transitions. [2018-12-02 17:13:08,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 6874 states and 15722 transitions. [2018-12-02 17:13:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:08,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:08,118 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] [2018-12-02 17:13:08,118 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:08,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:08,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2030593601, now seen corresponding path program 1 times [2018-12-02 17:13:08,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:08,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:08,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,119 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:08,160 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 17:13:08,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:08,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:08,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:08,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:08,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:08,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:08,161 INFO L87 Difference]: Start difference. First operand 6874 states and 15722 transitions. Second operand 5 states. [2018-12-02 17:13:08,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:08,448 INFO L93 Difference]: Finished difference Result 11408 states and 26291 transitions. [2018-12-02 17:13:08,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:13:08,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-02 17:13:08,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:08,459 INFO L225 Difference]: With dead ends: 11408 [2018-12-02 17:13:08,459 INFO L226 Difference]: Without dead ends: 11330 [2018-12-02 17:13:08,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11330 states. [2018-12-02 17:13:08,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11330 to 8015. [2018-12-02 17:13:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8015 states. [2018-12-02 17:13:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8015 states to 8015 states and 18369 transitions. [2018-12-02 17:13:08,538 INFO L78 Accepts]: Start accepts. Automaton has 8015 states and 18369 transitions. Word has length 93 [2018-12-02 17:13:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:08,538 INFO L480 AbstractCegarLoop]: Abstraction has 8015 states and 18369 transitions. [2018-12-02 17:13:08,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 8015 states and 18369 transitions. [2018-12-02 17:13:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:08,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:08,543 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] [2018-12-02 17:13:08,543 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:08,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:08,543 INFO L82 PathProgramCache]: Analyzing trace with hash -785829120, now seen corresponding path program 1 times [2018-12-02 17:13:08,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:08,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:08,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,544 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:08,587 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 17:13:08,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:08,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:08,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:08,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:08,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:08,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:08,588 INFO L87 Difference]: Start difference. First operand 8015 states and 18369 transitions. Second operand 6 states. [2018-12-02 17:13:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:08,804 INFO L93 Difference]: Finished difference Result 10150 states and 23091 transitions. [2018-12-02 17:13:08,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:13:08,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 17:13:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:08,811 INFO L225 Difference]: With dead ends: 10150 [2018-12-02 17:13:08,811 INFO L226 Difference]: Without dead ends: 10071 [2018-12-02 17:13:08,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:13:08,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10071 states. [2018-12-02 17:13:08,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10071 to 7614. [2018-12-02 17:13:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7614 states. [2018-12-02 17:13:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 17479 transitions. [2018-12-02 17:13:08,873 INFO L78 Accepts]: Start accepts. Automaton has 7614 states and 17479 transitions. Word has length 93 [2018-12-02 17:13:08,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:08,873 INFO L480 AbstractCegarLoop]: Abstraction has 7614 states and 17479 transitions. [2018-12-02 17:13:08,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7614 states and 17479 transitions. [2018-12-02 17:13:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:08,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:08,878 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] [2018-12-02 17:13:08,878 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:08,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:08,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1879438691, now seen corresponding path program 1 times [2018-12-02 17:13:08,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:08,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:08,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:08,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:08,985 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 17:13:08,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:08,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:13:08,985 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:08,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:13:08,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:13:08,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:08,986 INFO L87 Difference]: Start difference. First operand 7614 states and 17479 transitions. Second operand 9 states. [2018-12-02 17:13:09,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:09,292 INFO L93 Difference]: Finished difference Result 10662 states and 24405 transitions. [2018-12-02 17:13:09,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 17:13:09,292 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-02 17:13:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:09,298 INFO L225 Difference]: With dead ends: 10662 [2018-12-02 17:13:09,299 INFO L226 Difference]: Without dead ends: 10630 [2018-12-02 17:13:09,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-12-02 17:13:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10630 states. [2018-12-02 17:13:09,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10630 to 9163. [2018-12-02 17:13:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9163 states. [2018-12-02 17:13:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9163 states to 9163 states and 20929 transitions. [2018-12-02 17:13:09,369 INFO L78 Accepts]: Start accepts. Automaton has 9163 states and 20929 transitions. Word has length 93 [2018-12-02 17:13:09,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:09,369 INFO L480 AbstractCegarLoop]: Abstraction has 9163 states and 20929 transitions. [2018-12-02 17:13:09,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:13:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 9163 states and 20929 transitions. [2018-12-02 17:13:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:09,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:09,375 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] [2018-12-02 17:13:09,376 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:09,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:09,376 INFO L82 PathProgramCache]: Analyzing trace with hash 618577246, now seen corresponding path program 1 times [2018-12-02 17:13:09,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:09,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:09,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:09,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:09,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:09,447 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 17:13:09,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:09,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:13:09,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:09,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:13:09,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:13:09,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:13:09,448 INFO L87 Difference]: Start difference. First operand 9163 states and 20929 transitions. Second operand 8 states. [2018-12-02 17:13:09,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:09,720 INFO L93 Difference]: Finished difference Result 14219 states and 32893 transitions. [2018-12-02 17:13:09,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 17:13:09,720 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-02 17:13:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:09,729 INFO L225 Difference]: With dead ends: 14219 [2018-12-02 17:13:09,729 INFO L226 Difference]: Without dead ends: 14219 [2018-12-02 17:13:09,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-02 17:13:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14219 states. [2018-12-02 17:13:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14219 to 9753. [2018-12-02 17:13:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9753 states. [2018-12-02 17:13:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9753 states to 9753 states and 22460 transitions. [2018-12-02 17:13:09,821 INFO L78 Accepts]: Start accepts. Automaton has 9753 states and 22460 transitions. Word has length 93 [2018-12-02 17:13:09,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:09,821 INFO L480 AbstractCegarLoop]: Abstraction has 9753 states and 22460 transitions. [2018-12-02 17:13:09,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:13:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9753 states and 22460 transitions. [2018-12-02 17:13:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:09,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:09,827 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] [2018-12-02 17:13:09,827 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:09,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:09,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1506080927, now seen corresponding path program 1 times [2018-12-02 17:13:09,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:09,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:09,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:09,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:09,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:09,907 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 17:13:09,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:09,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:13:09,907 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:09,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:13:09,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:13:09,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:13:09,907 INFO L87 Difference]: Start difference. First operand 9753 states and 22460 transitions. Second operand 10 states. [2018-12-02 17:13:10,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:10,309 INFO L93 Difference]: Finished difference Result 13625 states and 31492 transitions. [2018-12-02 17:13:10,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 17:13:10,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-12-02 17:13:10,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:10,318 INFO L225 Difference]: With dead ends: 13625 [2018-12-02 17:13:10,318 INFO L226 Difference]: Without dead ends: 13625 [2018-12-02 17:13:10,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-12-02 17:13:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13625 states. [2018-12-02 17:13:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13625 to 10970. [2018-12-02 17:13:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10970 states. [2018-12-02 17:13:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10970 states to 10970 states and 25091 transitions. [2018-12-02 17:13:10,407 INFO L78 Accepts]: Start accepts. Automaton has 10970 states and 25091 transitions. Word has length 93 [2018-12-02 17:13:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:10,407 INFO L480 AbstractCegarLoop]: Abstraction has 10970 states and 25091 transitions. [2018-12-02 17:13:10,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:13:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 10970 states and 25091 transitions. [2018-12-02 17:13:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 17:13:10,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:10,414 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] [2018-12-02 17:13:10,414 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:10,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -225894625, now seen corresponding path program 1 times [2018-12-02 17:13:10,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:10,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:10,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:10,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:10,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:10,497 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 17:13:10,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:10,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:10,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:10,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:10,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:10,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:10,498 INFO L87 Difference]: Start difference. First operand 10970 states and 25091 transitions. Second operand 6 states. [2018-12-02 17:13:10,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:10,570 INFO L93 Difference]: Finished difference Result 10490 states and 23635 transitions. [2018-12-02 17:13:10,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:10,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 17:13:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:10,577 INFO L225 Difference]: With dead ends: 10490 [2018-12-02 17:13:10,577 INFO L226 Difference]: Without dead ends: 10490 [2018-12-02 17:13:10,577 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 17:13:10,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10490 states. [2018-12-02 17:13:10,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10490 to 7136. [2018-12-02 17:13:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7136 states. [2018-12-02 17:13:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 16093 transitions. [2018-12-02 17:13:10,643 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 16093 transitions. Word has length 93 [2018-12-02 17:13:10,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:10,643 INFO L480 AbstractCegarLoop]: Abstraction has 7136 states and 16093 transitions. [2018-12-02 17:13:10,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:10,643 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 16093 transitions. [2018-12-02 17:13:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:10,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:10,648 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] [2018-12-02 17:13:10,648 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:10,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:10,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1574972597, now seen corresponding path program 1 times [2018-12-02 17:13:10,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:10,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:10,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:10,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:10,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:10,735 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 17:13:10,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:10,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:13:10,735 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:10,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:13:10,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:13:10,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:10,736 INFO L87 Difference]: Start difference. First operand 7136 states and 16093 transitions. Second operand 9 states. [2018-12-02 17:13:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:10,996 INFO L93 Difference]: Finished difference Result 8480 states and 18944 transitions. [2018-12-02 17:13:10,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 17:13:10,996 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-02 17:13:10,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:11,001 INFO L225 Difference]: With dead ends: 8480 [2018-12-02 17:13:11,001 INFO L226 Difference]: Without dead ends: 8480 [2018-12-02 17:13:11,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-02 17:13:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8480 states. [2018-12-02 17:13:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8480 to 8214. [2018-12-02 17:13:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8214 states. [2018-12-02 17:13:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8214 states to 8214 states and 18420 transitions. [2018-12-02 17:13:11,074 INFO L78 Accepts]: Start accepts. Automaton has 8214 states and 18420 transitions. Word has length 95 [2018-12-02 17:13:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:11,075 INFO L480 AbstractCegarLoop]: Abstraction has 8214 states and 18420 transitions. [2018-12-02 17:13:11,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:13:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8214 states and 18420 transitions. [2018-12-02 17:13:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:11,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:11,080 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] [2018-12-02 17:13:11,080 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:11,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:11,080 INFO L82 PathProgramCache]: Analyzing trace with hash -687468916, now seen corresponding path program 1 times [2018-12-02 17:13:11,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:11,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:11,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:11,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:11,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:11,159 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 17:13:11,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:11,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 17:13:11,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:11,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:13:11,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:13:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:13:11,160 INFO L87 Difference]: Start difference. First operand 8214 states and 18420 transitions. Second operand 11 states. [2018-12-02 17:13:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:12,015 INFO L93 Difference]: Finished difference Result 15152 states and 34122 transitions. [2018-12-02 17:13:12,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 17:13:12,015 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-02 17:13:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:12,025 INFO L225 Difference]: With dead ends: 15152 [2018-12-02 17:13:12,025 INFO L226 Difference]: Without dead ends: 10596 [2018-12-02 17:13:12,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-02 17:13:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10596 states. [2018-12-02 17:13:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10596 to 7968. [2018-12-02 17:13:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7968 states. [2018-12-02 17:13:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7968 states to 7968 states and 17844 transitions. [2018-12-02 17:13:12,095 INFO L78 Accepts]: Start accepts. Automaton has 7968 states and 17844 transitions. Word has length 95 [2018-12-02 17:13:12,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:12,096 INFO L480 AbstractCegarLoop]: Abstraction has 7968 states and 17844 transitions. [2018-12-02 17:13:12,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:13:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 7968 states and 17844 transitions. [2018-12-02 17:13:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:12,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:12,101 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] [2018-12-02 17:13:12,102 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:12,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:12,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1086118301, now seen corresponding path program 1 times [2018-12-02 17:13:12,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:12,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:12,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:12,172 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 17:13:12,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:12,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:12,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:12,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:12,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:12,173 INFO L87 Difference]: Start difference. First operand 7968 states and 17844 transitions. Second operand 6 states. [2018-12-02 17:13:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:12,285 INFO L93 Difference]: Finished difference Result 8947 states and 19761 transitions. [2018-12-02 17:13:12,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:12,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-02 17:13:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:12,290 INFO L225 Difference]: With dead ends: 8947 [2018-12-02 17:13:12,290 INFO L226 Difference]: Without dead ends: 8890 [2018-12-02 17:13:12,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:13:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8890 states. [2018-12-02 17:13:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8890 to 7966. [2018-12-02 17:13:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7966 states. [2018-12-02 17:13:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7966 states to 7966 states and 17669 transitions. [2018-12-02 17:13:12,347 INFO L78 Accepts]: Start accepts. Automaton has 7966 states and 17669 transitions. Word has length 95 [2018-12-02 17:13:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:12,348 INFO L480 AbstractCegarLoop]: Abstraction has 7966 states and 17669 transitions. [2018-12-02 17:13:12,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7966 states and 17669 transitions. [2018-12-02 17:13:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:12,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:12,353 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] [2018-12-02 17:13:12,353 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:12,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:12,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1904255005, now seen corresponding path program 2 times [2018-12-02 17:13:12,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:12,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:12,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:12,406 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 17:13:12,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:12,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:12,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:12,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:12,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:12,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:12,407 INFO L87 Difference]: Start difference. First operand 7966 states and 17669 transitions. Second operand 6 states. [2018-12-02 17:13:12,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:12,508 INFO L93 Difference]: Finished difference Result 8186 states and 18114 transitions. [2018-12-02 17:13:12,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:13:12,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-02 17:13:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:12,513 INFO L225 Difference]: With dead ends: 8186 [2018-12-02 17:13:12,513 INFO L226 Difference]: Without dead ends: 8186 [2018-12-02 17:13:12,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 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 17:13:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8186 states. [2018-12-02 17:13:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8186 to 7872. [2018-12-02 17:13:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7872 states. [2018-12-02 17:13:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7872 states to 7872 states and 17459 transitions. [2018-12-02 17:13:12,567 INFO L78 Accepts]: Start accepts. Automaton has 7872 states and 17459 transitions. Word has length 95 [2018-12-02 17:13:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:12,567 INFO L480 AbstractCegarLoop]: Abstraction has 7872 states and 17459 transitions. [2018-12-02 17:13:12,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 7872 states and 17459 transitions. [2018-12-02 17:13:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:12,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:12,573 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] [2018-12-02 17:13:12,573 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:12,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:12,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1415884062, now seen corresponding path program 2 times [2018-12-02 17:13:12,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:12,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,574 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:13:12,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:12,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:12,608 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:13:12,675 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 17:13:12,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:13:12 BasicIcfg [2018-12-02 17:13:12,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:13:12,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:13:12,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:13:12,676 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:13:12,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:54" (3/4) ... [2018-12-02 17:13:12,679 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 17:13:12,747 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c21dce8b-33c4-4e21-adc9-8b60385f0e07/bin-2019/utaipan/witness.graphml [2018-12-02 17:13:12,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:13:12,748 INFO L168 Benchmark]: Toolchain (without parser) took 18532.07 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 952.4 MB in the beginning and 1.8 GB in the end (delta: -808.8 MB). Peak memory consumption was 999.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,749 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:12,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,749 INFO L168 Benchmark]: Boogie Preprocessor took 22.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:12,750 INFO L168 Benchmark]: RCFGBuilder took 364.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,750 INFO L168 Benchmark]: TraceAbstraction took 17703.44 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -722.8 MB). Peak memory consumption was 930.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,750 INFO L168 Benchmark]: Witness Printer took 70.93 ms. Allocated memory is still 2.8 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:12,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 364.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17703.44 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -722.8 MB). Peak memory consumption was 930.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.93 ms. Allocated memory is still 2.8 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=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$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=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] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=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$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=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] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=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$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=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] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L773] -1 pthread_t t591; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L774] FCALL, FORK -1 pthread_create(&t591, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 pthread_t t592; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] FCALL, FORK -1 pthread_create(&t592, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 2 [L732] 1 __unbuffered_p1_EAX = x [L735] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L736] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L737] 1 y$flush_delayed = weak$$choice2 [L738] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] EXPR 1 !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$w_buff1) VAL [!y$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)=0, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] 1 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) [L740] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$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$w_buff0))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$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$w_buff1_used=0] [L740] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L741] EXPR 1 weak$$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$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = weak$$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)) [L742] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$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))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] [L742] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L743] EXPR 1 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 y$w_buff1_used = weak$$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)) [L744] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$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))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] [L744] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L745] EXPR 1 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L745] 1 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] [L747] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, 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=1, 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] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$flush_delayed ? y$mem_tmp : y [L748] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 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=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L778] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L782] 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_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L782] 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_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -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) [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L784] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L784] -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 [L785] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L785] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L786] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L786] -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 [L789] -1 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 17.6s OverallTime, 34 OverallIterations, 1 TraceHistogramMax, 9.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8825 SDtfs, 10265 SDslu, 20885 SDs, 0 SdLazy, 9764 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 90 SyntacticMatches, 32 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35807occurred in iteration=15, 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: 4.8s AutomataMinimizationTime, 33 MinimizatonAttempts, 93403 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2543 NumberOfCodeBlocks, 2543 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2415 ConstructedInterpolants, 0 QuantifiedInterpolants, 532614 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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...