./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix035_pso.opt_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_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/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 c8decbf03b3907891ee2275cc5a173997543a0c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:38:15,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:38:15,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:38:15,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:38:15,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:38:15,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:38:15,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:38:15,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:38:15,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:38:15,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:38:15,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:38:15,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:38:15,915 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:38:15,916 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:38:15,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:38:15,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:38:15,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:38:15,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:38:15,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:38:15,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:38:15,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:38:15,923 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:38:15,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:38:15,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:38:15,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:38:15,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:38:15,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:38:15,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:38:15,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:38:15,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:38:15,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:38:15,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:38:15,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:38:15,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:38:15,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:38:15,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:38:15,931 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 09:38:15,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:38:15,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:38:15,943 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:38:15,943 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:38:15,943 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 09:38:15,943 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 09:38:15,944 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 09:38:15,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:38:15,945 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:38:15,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:38:15,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:38:15,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:38:15,947 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 09:38:15,947 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_6326168b-92f8-4844-8170-22779888c266/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 -> c8decbf03b3907891ee2275cc5a173997543a0c3 [2018-12-02 09:38:15,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:38:15,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:38:15,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:38:15,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:38:15,982 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:38:15,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix035_pso.opt_false-unreach-call.i [2018-12-02 09:38:16,027 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/data/7a7934586/1b085b69560b47d6bb54cd51f61cc025/FLAGa4edfb54c [2018-12-02 09:38:16,400 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:38:16,400 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/sv-benchmarks/c/pthread-wmm/mix035_pso.opt_false-unreach-call.i [2018-12-02 09:38:16,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/data/7a7934586/1b085b69560b47d6bb54cd51f61cc025/FLAGa4edfb54c [2018-12-02 09:38:16,417 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/data/7a7934586/1b085b69560b47d6bb54cd51f61cc025 [2018-12-02 09:38:16,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:38:16,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:38:16,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:38:16,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:38:16,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:38:16,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16, skipping insertion in model container [2018-12-02 09:38:16,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:38:16,453 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:38:16,667 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:38:16,678 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:38:16,759 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:38:16,789 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:38:16,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16 WrapperNode [2018-12-02 09:38:16,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:38:16,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:38:16,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:38:16,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:38:16,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:38:16,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:38:16,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:38:16,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:38:16,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... [2018-12-02 09:38:16,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:38:16,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:38:16,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:38:16,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:38:16,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/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 09:38:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:38:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 09:38:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 09:38:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-02 09:38:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 09:38:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:38:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:38:16,879 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 09:38:17,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:38:17,170 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 09:38:17,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:38:17 BoogieIcfgContainer [2018-12-02 09:38:17,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:38:17,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:38:17,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:38:17,172 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:38:17,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:38:16" (1/3) ... [2018-12-02 09:38:17,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507510b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:38:17, skipping insertion in model container [2018-12-02 09:38:17,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:16" (2/3) ... [2018-12-02 09:38:17,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507510b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:38:17, skipping insertion in model container [2018-12-02 09:38:17,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:38:17" (3/3) ... [2018-12-02 09:38:17,174 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035_pso.opt_false-unreach-call.i [2018-12-02 09:38:17,197 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,197 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,197 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,197 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,198 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,201 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,202 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,203 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,204 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,205 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,206 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,207 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:38:17,218 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 09:38:17,218 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:38:17,223 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 09:38:17,233 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 09:38:17,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:38:17,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:38:17,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:38:17,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:38:17,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:38:17,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:38:17,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:38:17,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:38:17,255 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147places, 178 transitions [2018-12-02 09:38:38,600 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 149046 states. [2018-12-02 09:38:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 149046 states. [2018-12-02 09:38:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 09:38:38,612 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:38:38,613 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:38:38,615 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:38:38,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:38:38,620 INFO L82 PathProgramCache]: Analyzing trace with hash 585073781, now seen corresponding path program 1 times [2018-12-02 09:38:38,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:38:38,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:38,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:38:38,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:38,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:38:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:38:38,778 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 09:38:38,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:38:38,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:38:38,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:38:38,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:38:38,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:38:38,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:38:38,793 INFO L87 Difference]: Start difference. First operand 149046 states. Second operand 4 states. [2018-12-02 09:38:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:38:40,204 INFO L93 Difference]: Finished difference Result 257066 states and 1188605 transitions. [2018-12-02 09:38:40,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 09:38:40,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-12-02 09:38:40,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:38:42,750 INFO L225 Difference]: With dead ends: 257066 [2018-12-02 09:38:42,751 INFO L226 Difference]: Without dead ends: 174816 [2018-12-02 09:38:42,752 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 09:38:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174816 states. [2018-12-02 09:38:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174816 to 110556. [2018-12-02 09:38:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110556 states. [2018-12-02 09:38:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110556 states to 110556 states and 511487 transitions. [2018-12-02 09:38:45,900 INFO L78 Accepts]: Start accepts. Automaton has 110556 states and 511487 transitions. Word has length 47 [2018-12-02 09:38:45,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:38:45,901 INFO L480 AbstractCegarLoop]: Abstraction has 110556 states and 511487 transitions. [2018-12-02 09:38:45,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:38:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 110556 states and 511487 transitions. [2018-12-02 09:38:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-02 09:38:45,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:38:45,913 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] [2018-12-02 09:38:45,913 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:38:45,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:38:45,913 INFO L82 PathProgramCache]: Analyzing trace with hash 188144804, now seen corresponding path program 1 times [2018-12-02 09:38:45,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:38:45,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:45,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:38:45,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:45,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:38:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:38:45,959 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 09:38:45,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:38:45,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:38:45,959 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:38:45,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:38:45,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:38:45,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:38:45,961 INFO L87 Difference]: Start difference. First operand 110556 states and 511487 transitions. Second operand 3 states. [2018-12-02 09:38:46,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:38:46,564 INFO L93 Difference]: Finished difference Result 110556 states and 511382 transitions. [2018-12-02 09:38:46,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:38:46,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-12-02 09:38:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:38:46,859 INFO L225 Difference]: With dead ends: 110556 [2018-12-02 09:38:46,859 INFO L226 Difference]: Without dead ends: 110556 [2018-12-02 09:38:46,859 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 09:38:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110556 states. [2018-12-02 09:38:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110556 to 110556. [2018-12-02 09:38:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110556 states. [2018-12-02 09:38:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110556 states to 110556 states and 511382 transitions. [2018-12-02 09:38:49,472 INFO L78 Accepts]: Start accepts. Automaton has 110556 states and 511382 transitions. Word has length 55 [2018-12-02 09:38:49,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:38:49,472 INFO L480 AbstractCegarLoop]: Abstraction has 110556 states and 511382 transitions. [2018-12-02 09:38:49,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:38:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 110556 states and 511382 transitions. [2018-12-02 09:38:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-02 09:38:49,480 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:38:49,480 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] [2018-12-02 09:38:49,480 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:38:49,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:38:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1930955139, now seen corresponding path program 1 times [2018-12-02 09:38:49,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:38:49,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:49,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:38:49,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:49,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:38:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:38:49,537 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 09:38:49,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:38:49,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:38:49,538 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:38:49,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:38:49,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:38:49,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:38:49,538 INFO L87 Difference]: Start difference. First operand 110556 states and 511382 transitions. Second operand 4 states. [2018-12-02 09:38:49,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:38:49,998 INFO L93 Difference]: Finished difference Result 99454 states and 448607 transitions. [2018-12-02 09:38:49,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:38:49,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-12-02 09:38:49,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:38:50,700 INFO L225 Difference]: With dead ends: 99454 [2018-12-02 09:38:50,701 INFO L226 Difference]: Without dead ends: 95224 [2018-12-02 09:38:50,701 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 09:38:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95224 states. [2018-12-02 09:38:52,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95224 to 95224. [2018-12-02 09:38:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95224 states. [2018-12-02 09:38:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95224 states to 95224 states and 432991 transitions. [2018-12-02 09:38:52,542 INFO L78 Accepts]: Start accepts. Automaton has 95224 states and 432991 transitions. Word has length 55 [2018-12-02 09:38:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:38:52,542 INFO L480 AbstractCegarLoop]: Abstraction has 95224 states and 432991 transitions. [2018-12-02 09:38:52,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:38:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 95224 states and 432991 transitions. [2018-12-02 09:38:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 09:38:52,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:38:52,549 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] [2018-12-02 09:38:52,549 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:38:52,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:38:52,550 INFO L82 PathProgramCache]: Analyzing trace with hash -843007537, now seen corresponding path program 1 times [2018-12-02 09:38:52,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:38:52,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:52,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:38:52,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:38:52,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:38:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:38:52,609 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 09:38:52,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:38:52,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:38:52,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:38:52,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:38:52,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:38:52,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:38:52,610 INFO L87 Difference]: Start difference. First operand 95224 states and 432991 transitions. Second operand 5 states. [2018-12-02 09:38:54,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:38:54,105 INFO L93 Difference]: Finished difference Result 208036 states and 909703 transitions. [2018-12-02 09:38:54,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:38:54,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-12-02 09:38:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:38:54,630 INFO L225 Difference]: With dead ends: 208036 [2018-12-02 09:38:54,630 INFO L226 Difference]: Without dead ends: 205116 [2018-12-02 09:38:54,630 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 09:38:55,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205116 states. [2018-12-02 09:38:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205116 to 137860. [2018-12-02 09:38:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137860 states. [2018-12-02 09:39:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137860 states to 137860 states and 606396 transitions. [2018-12-02 09:39:00,038 INFO L78 Accepts]: Start accepts. Automaton has 137860 states and 606396 transitions. Word has length 56 [2018-12-02 09:39:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:00,038 INFO L480 AbstractCegarLoop]: Abstraction has 137860 states and 606396 transitions. [2018-12-02 09:39:00,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:39:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 137860 states and 606396 transitions. [2018-12-02 09:39:00,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 09:39:00,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:00,044 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] [2018-12-02 09:39:00,044 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:00,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:00,044 INFO L82 PathProgramCache]: Analyzing trace with hash -484759346, now seen corresponding path program 1 times [2018-12-02 09:39:00,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:00,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:00,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:00,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:00,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:00,096 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 09:39:00,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:00,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:39:00,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:00,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:39:00,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:39:00,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:39:00,097 INFO L87 Difference]: Start difference. First operand 137860 states and 606396 transitions. Second operand 5 states. [2018-12-02 09:39:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:01,812 INFO L93 Difference]: Finished difference Result 270772 states and 1181674 transitions. [2018-12-02 09:39:01,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:39:01,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-12-02 09:39:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:02,556 INFO L225 Difference]: With dead ends: 270772 [2018-12-02 09:39:02,556 INFO L226 Difference]: Without dead ends: 268197 [2018-12-02 09:39:02,557 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 09:39:03,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268197 states. [2018-12-02 09:39:08,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268197 to 153577. [2018-12-02 09:39:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153577 states. [2018-12-02 09:39:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153577 states to 153577 states and 670976 transitions. [2018-12-02 09:39:09,032 INFO L78 Accepts]: Start accepts. Automaton has 153577 states and 670976 transitions. Word has length 56 [2018-12-02 09:39:09,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:09,032 INFO L480 AbstractCegarLoop]: Abstraction has 153577 states and 670976 transitions. [2018-12-02 09:39:09,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:39:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 153577 states and 670976 transitions. [2018-12-02 09:39:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 09:39:09,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:09,043 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] [2018-12-02 09:39:09,043 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:09,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1508119156, now seen corresponding path program 1 times [2018-12-02 09:39:09,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:09,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:09,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:09,071 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 09:39:09,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:09,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:39:09,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:09,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:39:09,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:39:09,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:39:09,072 INFO L87 Difference]: Start difference. First operand 153577 states and 670976 transitions. Second operand 3 states. [2018-12-02 09:39:09,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:09,981 INFO L93 Difference]: Finished difference Result 200749 states and 862356 transitions. [2018-12-02 09:39:09,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:39:09,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-02 09:39:09,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:10,498 INFO L225 Difference]: With dead ends: 200749 [2018-12-02 09:39:10,498 INFO L226 Difference]: Without dead ends: 200729 [2018-12-02 09:39:10,498 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 09:39:11,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200729 states. [2018-12-02 09:39:15,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200729 to 174143. [2018-12-02 09:39:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174143 states. [2018-12-02 09:39:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174143 states to 174143 states and 754707 transitions. [2018-12-02 09:39:16,491 INFO L78 Accepts]: Start accepts. Automaton has 174143 states and 754707 transitions. Word has length 58 [2018-12-02 09:39:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:16,491 INFO L480 AbstractCegarLoop]: Abstraction has 174143 states and 754707 transitions. [2018-12-02 09:39:16,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:39:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 174143 states and 754707 transitions. [2018-12-02 09:39:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 09:39:16,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:16,516 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] [2018-12-02 09:39:16,516 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:16,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash 979024319, now seen corresponding path program 1 times [2018-12-02 09:39:16,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:16,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:16,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:16,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:16,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:16,556 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 09:39:16,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:16,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:39:16,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:16,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:39:16,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:39:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:39:16,557 INFO L87 Difference]: Start difference. First operand 174143 states and 754707 transitions. Second operand 6 states. [2018-12-02 09:39:18,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:18,419 INFO L93 Difference]: Finished difference Result 300091 states and 1289133 transitions. [2018-12-02 09:39:18,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 09:39:18,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 09:39:18,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:19,221 INFO L225 Difference]: With dead ends: 300091 [2018-12-02 09:39:19,221 INFO L226 Difference]: Without dead ends: 297046 [2018-12-02 09:39:19,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-02 09:39:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297046 states. [2018-12-02 09:39:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297046 to 176097. [2018-12-02 09:39:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176097 states. [2018-12-02 09:39:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176097 states to 176097 states and 764722 transitions. [2018-12-02 09:39:24,295 INFO L78 Accepts]: Start accepts. Automaton has 176097 states and 764722 transitions. Word has length 62 [2018-12-02 09:39:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:24,295 INFO L480 AbstractCegarLoop]: Abstraction has 176097 states and 764722 transitions. [2018-12-02 09:39:24,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:39:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 176097 states and 764722 transitions. [2018-12-02 09:39:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 09:39:24,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:24,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:39:24,325 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:24,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:24,325 INFO L82 PathProgramCache]: Analyzing trace with hash -2067287304, now seen corresponding path program 1 times [2018-12-02 09:39:24,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:24,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:24,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:24,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:24,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:24,381 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 09:39:24,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:24,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:39:24,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:24,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:39:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:39:24,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:39:24,382 INFO L87 Difference]: Start difference. First operand 176097 states and 764722 transitions. Second operand 6 states. [2018-12-02 09:39:25,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:25,790 INFO L93 Difference]: Finished difference Result 240021 states and 1032366 transitions. [2018-12-02 09:39:25,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:39:25,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 09:39:25,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:26,415 INFO L225 Difference]: With dead ends: 240021 [2018-12-02 09:39:26,415 INFO L226 Difference]: Without dead ends: 235465 [2018-12-02 09:39:26,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 09:39:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235465 states. [2018-12-02 09:39:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235465 to 220997. [2018-12-02 09:39:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220997 states. [2018-12-02 09:39:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220997 states to 220997 states and 954038 transitions. [2018-12-02 09:39:33,376 INFO L78 Accepts]: Start accepts. Automaton has 220997 states and 954038 transitions. Word has length 63 [2018-12-02 09:39:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:33,376 INFO L480 AbstractCegarLoop]: Abstraction has 220997 states and 954038 transitions. [2018-12-02 09:39:33,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:39:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 220997 states and 954038 transitions. [2018-12-02 09:39:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 09:39:33,415 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:33,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:39:33,416 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:33,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:33,416 INFO L82 PathProgramCache]: Analyzing trace with hash 430728633, now seen corresponding path program 1 times [2018-12-02 09:39:33,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:33,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:33,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:33,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:33,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:33,474 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 09:39:33,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:33,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:39:33,475 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:33,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:39:33,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:39:33,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:39:33,475 INFO L87 Difference]: Start difference. First operand 220997 states and 954038 transitions. Second operand 7 states. [2018-12-02 09:39:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:35,837 INFO L93 Difference]: Finished difference Result 315729 states and 1321475 transitions. [2018-12-02 09:39:35,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 09:39:35,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-12-02 09:39:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:36,638 INFO L225 Difference]: With dead ends: 315729 [2018-12-02 09:39:36,638 INFO L226 Difference]: Without dead ends: 315729 [2018-12-02 09:39:36,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:39:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315729 states. [2018-12-02 09:39:41,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315729 to 259069. [2018-12-02 09:39:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259069 states. [2018-12-02 09:39:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259069 states to 259069 states and 1099300 transitions. [2018-12-02 09:39:42,831 INFO L78 Accepts]: Start accepts. Automaton has 259069 states and 1099300 transitions. Word has length 63 [2018-12-02 09:39:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:42,832 INFO L480 AbstractCegarLoop]: Abstraction has 259069 states and 1099300 transitions. [2018-12-02 09:39:42,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:39:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 259069 states and 1099300 transitions. [2018-12-02 09:39:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 09:39:42,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:42,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:39:42,870 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:42,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:42,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1318232314, now seen corresponding path program 1 times [2018-12-02 09:39:42,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:42,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:42,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:42,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:42,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:42,912 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 09:39:42,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:42,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:39:42,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:42,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:39:42,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:39:42,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:39:42,913 INFO L87 Difference]: Start difference. First operand 259069 states and 1099300 transitions. Second operand 5 states. [2018-12-02 09:39:43,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:43,149 INFO L93 Difference]: Finished difference Result 57901 states and 224524 transitions. [2018-12-02 09:39:43,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 09:39:43,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-12-02 09:39:43,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:43,257 INFO L225 Difference]: With dead ends: 57901 [2018-12-02 09:39:43,257 INFO L226 Difference]: Without dead ends: 50985 [2018-12-02 09:39:43,257 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 09:39:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50985 states. [2018-12-02 09:39:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50985 to 50745. [2018-12-02 09:39:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50745 states. [2018-12-02 09:39:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50745 states to 50745 states and 196311 transitions. [2018-12-02 09:39:44,026 INFO L78 Accepts]: Start accepts. Automaton has 50745 states and 196311 transitions. Word has length 63 [2018-12-02 09:39:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:44,026 INFO L480 AbstractCegarLoop]: Abstraction has 50745 states and 196311 transitions. [2018-12-02 09:39:44,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:39:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 50745 states and 196311 transitions. [2018-12-02 09:39:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 09:39:44,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:44,044 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] [2018-12-02 09:39:44,044 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:44,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:44,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2050602403, now seen corresponding path program 1 times [2018-12-02 09:39:44,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:44,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:44,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:44,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:44,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:39:44,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:44,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:39:44,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:44,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:39:44,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:39:44,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:39:44,084 INFO L87 Difference]: Start difference. First operand 50745 states and 196311 transitions. Second operand 4 states. [2018-12-02 09:39:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:44,356 INFO L93 Difference]: Finished difference Result 59864 states and 230930 transitions. [2018-12-02 09:39:44,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:39:44,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2018-12-02 09:39:44,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:44,475 INFO L225 Difference]: With dead ends: 59864 [2018-12-02 09:39:44,475 INFO L226 Difference]: Without dead ends: 59864 [2018-12-02 09:39:44,476 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 09:39:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59864 states. [2018-12-02 09:39:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59864 to 53960. [2018-12-02 09:39:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53960 states. [2018-12-02 09:39:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53960 states to 53960 states and 208378 transitions. [2018-12-02 09:39:46,342 INFO L78 Accepts]: Start accepts. Automaton has 53960 states and 208378 transitions. Word has length 73 [2018-12-02 09:39:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:46,342 INFO L480 AbstractCegarLoop]: Abstraction has 53960 states and 208378 transitions. [2018-12-02 09:39:46,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:39:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 53960 states and 208378 transitions. [2018-12-02 09:39:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 09:39:46,361 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:46,361 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] [2018-12-02 09:39:46,362 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:46,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:46,362 INFO L82 PathProgramCache]: Analyzing trace with hash -307792068, now seen corresponding path program 1 times [2018-12-02 09:39:46,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:46,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:46,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:46,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:46,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:46,406 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 09:39:46,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:46,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:39:46,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:46,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:39:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:39:46,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:39:46,407 INFO L87 Difference]: Start difference. First operand 53960 states and 208378 transitions. Second operand 6 states. [2018-12-02 09:39:47,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:47,053 INFO L93 Difference]: Finished difference Result 98119 states and 377172 transitions. [2018-12-02 09:39:47,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 09:39:47,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-12-02 09:39:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:47,243 INFO L225 Difference]: With dead ends: 98119 [2018-12-02 09:39:47,243 INFO L226 Difference]: Without dead ends: 97799 [2018-12-02 09:39:47,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-02 09:39:47,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97799 states. [2018-12-02 09:39:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97799 to 58185. [2018-12-02 09:39:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58185 states. [2018-12-02 09:39:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58185 states to 58185 states and 223569 transitions. [2018-12-02 09:39:48,488 INFO L78 Accepts]: Start accepts. Automaton has 58185 states and 223569 transitions. Word has length 73 [2018-12-02 09:39:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:48,488 INFO L480 AbstractCegarLoop]: Abstraction has 58185 states and 223569 transitions. [2018-12-02 09:39:48,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:39:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 58185 states and 223569 transitions. [2018-12-02 09:39:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 09:39:48,513 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:48,513 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] [2018-12-02 09:39:48,514 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:48,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:48,514 INFO L82 PathProgramCache]: Analyzing trace with hash 757850877, now seen corresponding path program 1 times [2018-12-02 09:39:48,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:48,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:48,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:48,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:48,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:48,538 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 09:39:48,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:48,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:39:48,538 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:48,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:39:48,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:39:48,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:39:48,539 INFO L87 Difference]: Start difference. First operand 58185 states and 223569 transitions. Second operand 4 states. [2018-12-02 09:39:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:48,948 INFO L93 Difference]: Finished difference Result 84859 states and 319563 transitions. [2018-12-02 09:39:48,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:39:48,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2018-12-02 09:39:48,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:49,107 INFO L225 Difference]: With dead ends: 84859 [2018-12-02 09:39:49,107 INFO L226 Difference]: Without dead ends: 84571 [2018-12-02 09:39:49,107 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 09:39:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84571 states. [2018-12-02 09:39:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84571 to 66308. [2018-12-02 09:39:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66308 states. [2018-12-02 09:39:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66308 states to 66308 states and 251801 transitions. [2018-12-02 09:39:50,328 INFO L78 Accepts]: Start accepts. Automaton has 66308 states and 251801 transitions. Word has length 75 [2018-12-02 09:39:50,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:50,328 INFO L480 AbstractCegarLoop]: Abstraction has 66308 states and 251801 transitions. [2018-12-02 09:39:50,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:39:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 66308 states and 251801 transitions. [2018-12-02 09:39:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 09:39:50,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:50,363 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] [2018-12-02 09:39:50,364 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:50,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:50,364 INFO L82 PathProgramCache]: Analyzing trace with hash 546499964, now seen corresponding path program 1 times [2018-12-02 09:39:50,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:50,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:50,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:50,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:50,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:50,405 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 09:39:50,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:50,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:39:50,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:50,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:39:50,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:39:50,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:39:50,406 INFO L87 Difference]: Start difference. First operand 66308 states and 251801 transitions. Second operand 4 states. [2018-12-02 09:39:50,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:50,794 INFO L93 Difference]: Finished difference Result 82714 states and 310868 transitions. [2018-12-02 09:39:50,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 09:39:50,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2018-12-02 09:39:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:50,950 INFO L225 Difference]: With dead ends: 82714 [2018-12-02 09:39:50,950 INFO L226 Difference]: Without dead ends: 82714 [2018-12-02 09:39:50,950 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 09:39:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82714 states. [2018-12-02 09:39:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82714 to 67563. [2018-12-02 09:39:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67563 states. [2018-12-02 09:39:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67563 states to 67563 states and 256323 transitions. [2018-12-02 09:39:52,141 INFO L78 Accepts]: Start accepts. Automaton has 67563 states and 256323 transitions. Word has length 75 [2018-12-02 09:39:52,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:52,141 INFO L480 AbstractCegarLoop]: Abstraction has 67563 states and 256323 transitions. [2018-12-02 09:39:52,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:39:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 67563 states and 256323 transitions. [2018-12-02 09:39:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 09:39:52,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:52,176 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] [2018-12-02 09:39:52,176 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:52,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:52,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1530709379, now seen corresponding path program 1 times [2018-12-02 09:39:52,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:52,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:52,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:52,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:52,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:52,200 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 09:39:52,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:52,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:39:52,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:52,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:39:52,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:39:52,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:39:52,201 INFO L87 Difference]: Start difference. First operand 67563 states and 256323 transitions. Second operand 3 states. [2018-12-02 09:39:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:52,536 INFO L93 Difference]: Finished difference Result 69551 states and 263181 transitions. [2018-12-02 09:39:52,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:39:52,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2018-12-02 09:39:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:52,666 INFO L225 Difference]: With dead ends: 69551 [2018-12-02 09:39:52,667 INFO L226 Difference]: Without dead ends: 69551 [2018-12-02 09:39:52,667 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 09:39:52,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69551 states. [2018-12-02 09:39:53,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69551 to 68557. [2018-12-02 09:39:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68557 states. [2018-12-02 09:39:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68557 states to 68557 states and 259623 transitions. [2018-12-02 09:39:53,873 INFO L78 Accepts]: Start accepts. Automaton has 68557 states and 259623 transitions. Word has length 75 [2018-12-02 09:39:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:53,873 INFO L480 AbstractCegarLoop]: Abstraction has 68557 states and 259623 transitions. [2018-12-02 09:39:53,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:39:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68557 states and 259623 transitions. [2018-12-02 09:39:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:39:53,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:53,914 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] [2018-12-02 09:39:53,915 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:53,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash 497950085, now seen corresponding path program 1 times [2018-12-02 09:39:53,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:53,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:53,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:53,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:53,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:53,972 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 09:39:53,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:53,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:39:53,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:53,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:39:53,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:39:53,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:39:53,973 INFO L87 Difference]: Start difference. First operand 68557 states and 259623 transitions. Second operand 6 states. [2018-12-02 09:39:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:54,776 INFO L93 Difference]: Finished difference Result 82777 states and 309410 transitions. [2018-12-02 09:39:54,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:39:54,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2018-12-02 09:39:54,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:54,936 INFO L225 Difference]: With dead ends: 82777 [2018-12-02 09:39:54,936 INFO L226 Difference]: Without dead ends: 82777 [2018-12-02 09:39:54,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 09:39:55,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82777 states. [2018-12-02 09:39:55,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82777 to 76865. [2018-12-02 09:39:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76865 states. [2018-12-02 09:39:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76865 states to 76865 states and 288763 transitions. [2018-12-02 09:39:56,345 INFO L78 Accepts]: Start accepts. Automaton has 76865 states and 288763 transitions. Word has length 77 [2018-12-02 09:39:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:56,346 INFO L480 AbstractCegarLoop]: Abstraction has 76865 states and 288763 transitions. [2018-12-02 09:39:56,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:39:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 76865 states and 288763 transitions. [2018-12-02 09:39:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:39:56,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:56,392 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] [2018-12-02 09:39:56,392 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:56,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:56,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1579259258, now seen corresponding path program 1 times [2018-12-02 09:39:56,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:56,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:56,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:56,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:56,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:56,446 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 09:39:56,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:56,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:39:56,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:56,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:39:56,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:39:56,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:39:56,447 INFO L87 Difference]: Start difference. First operand 76865 states and 288763 transitions. Second operand 6 states. [2018-12-02 09:39:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:56,929 INFO L93 Difference]: Finished difference Result 84458 states and 313444 transitions. [2018-12-02 09:39:56,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 09:39:56,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2018-12-02 09:39:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:57,087 INFO L225 Difference]: With dead ends: 84458 [2018-12-02 09:39:57,087 INFO L226 Difference]: Without dead ends: 84458 [2018-12-02 09:39:57,087 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 09:39:57,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84458 states. [2018-12-02 09:39:58,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84458 to 77293. [2018-12-02 09:39:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77293 states. [2018-12-02 09:39:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77293 states to 77293 states and 288534 transitions. [2018-12-02 09:39:58,225 INFO L78 Accepts]: Start accepts. Automaton has 77293 states and 288534 transitions. Word has length 77 [2018-12-02 09:39:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:39:58,226 INFO L480 AbstractCegarLoop]: Abstraction has 77293 states and 288534 transitions. [2018-12-02 09:39:58,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:39:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 77293 states and 288534 transitions. [2018-12-02 09:39:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:39:58,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:39:58,273 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] [2018-12-02 09:39:58,273 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:39:58,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1367908345, now seen corresponding path program 1 times [2018-12-02 09:39:58,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:39:58,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:58,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:58,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:58,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:39:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:58,323 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 09:39:58,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:39:58,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:39:58,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:39:58,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:39:58,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:39:58,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:39:58,324 INFO L87 Difference]: Start difference. First operand 77293 states and 288534 transitions. Second operand 5 states. [2018-12-02 09:39:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:39:58,899 INFO L93 Difference]: Finished difference Result 95533 states and 354425 transitions. [2018-12-02 09:39:58,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:39:58,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-02 09:39:58,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:39:59,077 INFO L225 Difference]: With dead ends: 95533 [2018-12-02 09:39:59,077 INFO L226 Difference]: Without dead ends: 95533 [2018-12-02 09:39:59,078 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 09:39:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95533 states. [2018-12-02 09:40:00,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95533 to 82171. [2018-12-02 09:40:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82171 states. [2018-12-02 09:40:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82171 states to 82171 states and 304547 transitions. [2018-12-02 09:40:00,330 INFO L78 Accepts]: Start accepts. Automaton has 82171 states and 304547 transitions. Word has length 77 [2018-12-02 09:40:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:00,330 INFO L480 AbstractCegarLoop]: Abstraction has 82171 states and 304547 transitions. [2018-12-02 09:40:00,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:40:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 82171 states and 304547 transitions. [2018-12-02 09:40:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:40:00,380 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:00,380 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] [2018-12-02 09:40:00,381 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:00,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:00,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1878442522, now seen corresponding path program 1 times [2018-12-02 09:40:00,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:00,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:00,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:00,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:00,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:00,418 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 09:40:00,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:00,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:40:00,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:00,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:40:00,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:40:00,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:40:00,419 INFO L87 Difference]: Start difference. First operand 82171 states and 304547 transitions. Second operand 5 states. [2018-12-02 09:40:01,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:01,186 INFO L93 Difference]: Finished difference Result 117948 states and 433789 transitions. [2018-12-02 09:40:01,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:40:01,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-02 09:40:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:01,422 INFO L225 Difference]: With dead ends: 117948 [2018-12-02 09:40:01,422 INFO L226 Difference]: Without dead ends: 117948 [2018-12-02 09:40:01,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 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 09:40:01,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117948 states. [2018-12-02 09:40:02,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117948 to 94014. [2018-12-02 09:40:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94014 states. [2018-12-02 09:40:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94014 states to 94014 states and 346727 transitions. [2018-12-02 09:40:03,256 INFO L78 Accepts]: Start accepts. Automaton has 94014 states and 346727 transitions. Word has length 77 [2018-12-02 09:40:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:03,256 INFO L480 AbstractCegarLoop]: Abstraction has 94014 states and 346727 transitions. [2018-12-02 09:40:03,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:40:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 94014 states and 346727 transitions. [2018-12-02 09:40:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:40:03,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:03,314 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] [2018-12-02 09:40:03,314 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:03,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:03,314 INFO L82 PathProgramCache]: Analyzing trace with hash 609070311, now seen corresponding path program 1 times [2018-12-02 09:40:03,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:03,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:03,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:03,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:03,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:40:03,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:03,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:40:03,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:03,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:40:03,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:40:03,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:40:03,355 INFO L87 Difference]: Start difference. First operand 94014 states and 346727 transitions. Second operand 4 states. [2018-12-02 09:40:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:04,091 INFO L93 Difference]: Finished difference Result 122526 states and 453159 transitions. [2018-12-02 09:40:04,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:40:04,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2018-12-02 09:40:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:04,334 INFO L225 Difference]: With dead ends: 122526 [2018-12-02 09:40:04,334 INFO L226 Difference]: Without dead ends: 120814 [2018-12-02 09:40:04,334 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 09:40:04,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120814 states. [2018-12-02 09:40:06,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120814 to 112058. [2018-12-02 09:40:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112058 states. [2018-12-02 09:40:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112058 states to 112058 states and 414607 transitions. [2018-12-02 09:40:06,293 INFO L78 Accepts]: Start accepts. Automaton has 112058 states and 414607 transitions. Word has length 77 [2018-12-02 09:40:06,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:06,293 INFO L480 AbstractCegarLoop]: Abstraction has 112058 states and 414607 transitions. [2018-12-02 09:40:06,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:40:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 112058 states and 414607 transitions. [2018-12-02 09:40:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:40:06,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:06,363 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] [2018-12-02 09:40:06,363 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:06,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1187881048, now seen corresponding path program 1 times [2018-12-02 09:40:06,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:06,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:06,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:06,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:06,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:06,430 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 09:40:06,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:06,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:40:06,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:06,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:40:06,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:40:06,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:40:06,431 INFO L87 Difference]: Start difference. First operand 112058 states and 414607 transitions. Second operand 7 states. [2018-12-02 09:40:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:07,077 INFO L93 Difference]: Finished difference Result 105992 states and 378733 transitions. [2018-12-02 09:40:07,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 09:40:07,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2018-12-02 09:40:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:07,276 INFO L225 Difference]: With dead ends: 105992 [2018-12-02 09:40:07,276 INFO L226 Difference]: Without dead ends: 105992 [2018-12-02 09:40:07,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-02 09:40:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105992 states. [2018-12-02 09:40:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105992 to 74108. [2018-12-02 09:40:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74108 states. [2018-12-02 09:40:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74108 states to 74108 states and 266226 transitions. [2018-12-02 09:40:08,783 INFO L78 Accepts]: Start accepts. Automaton has 74108 states and 266226 transitions. Word has length 77 [2018-12-02 09:40:08,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:08,783 INFO L480 AbstractCegarLoop]: Abstraction has 74108 states and 266226 transitions. [2018-12-02 09:40:08,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:40:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 74108 states and 266226 transitions. [2018-12-02 09:40:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 09:40:08,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:08,822 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] [2018-12-02 09:40:08,822 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:08,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:08,822 INFO L82 PathProgramCache]: Analyzing trace with hash -300377367, now seen corresponding path program 1 times [2018-12-02 09:40:08,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:08,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:08,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:08,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:08,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:08,850 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 09:40:08,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:08,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:40:08,850 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:08,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:40:08,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:40:08,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:40:08,850 INFO L87 Difference]: Start difference. First operand 74108 states and 266226 transitions. Second operand 6 states. [2018-12-02 09:40:08,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:08,941 INFO L93 Difference]: Finished difference Result 22780 states and 72050 transitions. [2018-12-02 09:40:08,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:40:08,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2018-12-02 09:40:08,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:08,964 INFO L225 Difference]: With dead ends: 22780 [2018-12-02 09:40:08,964 INFO L226 Difference]: Without dead ends: 18630 [2018-12-02 09:40:08,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:40:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18630 states. [2018-12-02 09:40:09,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18630 to 16385. [2018-12-02 09:40:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16385 states. [2018-12-02 09:40:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16385 states to 16385 states and 51234 transitions. [2018-12-02 09:40:09,150 INFO L78 Accepts]: Start accepts. Automaton has 16385 states and 51234 transitions. Word has length 77 [2018-12-02 09:40:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:09,150 INFO L480 AbstractCegarLoop]: Abstraction has 16385 states and 51234 transitions. [2018-12-02 09:40:09,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:40:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 16385 states and 51234 transitions. [2018-12-02 09:40:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:09,165 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:09,165 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] [2018-12-02 09:40:09,165 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:09,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:09,166 INFO L82 PathProgramCache]: Analyzing trace with hash -711257271, now seen corresponding path program 1 times [2018-12-02 09:40:09,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:09,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:09,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:09,235 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 09:40:09,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:09,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 09:40:09,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:09,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 09:40:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:40:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:40:09,236 INFO L87 Difference]: Start difference. First operand 16385 states and 51234 transitions. Second operand 6 states. [2018-12-02 09:40:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:09,368 INFO L93 Difference]: Finished difference Result 18930 states and 58520 transitions. [2018-12-02 09:40:09,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:40:09,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 09:40:09,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:09,389 INFO L225 Difference]: With dead ends: 18930 [2018-12-02 09:40:09,389 INFO L226 Difference]: Without dead ends: 18410 [2018-12-02 09:40:09,389 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 09:40:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18410 states. [2018-12-02 09:40:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18410 to 15475. [2018-12-02 09:40:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15475 states. [2018-12-02 09:40:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15475 states to 15475 states and 47761 transitions. [2018-12-02 09:40:09,573 INFO L78 Accepts]: Start accepts. Automaton has 15475 states and 47761 transitions. Word has length 94 [2018-12-02 09:40:09,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:09,573 INFO L480 AbstractCegarLoop]: Abstraction has 15475 states and 47761 transitions. [2018-12-02 09:40:09,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 09:40:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 15475 states and 47761 transitions. [2018-12-02 09:40:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:09,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:09,588 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] [2018-12-02 09:40:09,588 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:09,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:09,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1506500682, now seen corresponding path program 1 times [2018-12-02 09:40:09,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:09,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:09,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,589 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:09,659 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 09:40:09,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:09,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 09:40:09,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:09,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 09:40:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 09:40:09,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:40:09,659 INFO L87 Difference]: Start difference. First operand 15475 states and 47761 transitions. Second operand 9 states. [2018-12-02 09:40:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:09,812 INFO L93 Difference]: Finished difference Result 26555 states and 81779 transitions. [2018-12-02 09:40:09,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 09:40:09,812 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-02 09:40:09,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:09,827 INFO L225 Difference]: With dead ends: 26555 [2018-12-02 09:40:09,827 INFO L226 Difference]: Without dead ends: 13935 [2018-12-02 09:40:09,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-12-02 09:40:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13935 states. [2018-12-02 09:40:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13935 to 13935. [2018-12-02 09:40:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13935 states. [2018-12-02 09:40:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13935 states to 13935 states and 42853 transitions. [2018-12-02 09:40:09,980 INFO L78 Accepts]: Start accepts. Automaton has 13935 states and 42853 transitions. Word has length 94 [2018-12-02 09:40:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:09,980 INFO L480 AbstractCegarLoop]: Abstraction has 13935 states and 42853 transitions. [2018-12-02 09:40:09,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 09:40:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 13935 states and 42853 transitions. [2018-12-02 09:40:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:09,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:09,992 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] [2018-12-02 09:40:09,992 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:09,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:09,992 INFO L82 PathProgramCache]: Analyzing trace with hash 873472454, now seen corresponding path program 2 times [2018-12-02 09:40:09,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:09,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:09,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:09,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:10,067 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 09:40:10,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:10,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 09:40:10,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:10,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 09:40:10,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 09:40:10,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 09:40:10,068 INFO L87 Difference]: Start difference. First operand 13935 states and 42853 transitions. Second operand 9 states. [2018-12-02 09:40:10,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:10,261 INFO L93 Difference]: Finished difference Result 36565 states and 112873 transitions. [2018-12-02 09:40:10,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 09:40:10,261 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-02 09:40:10,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:10,273 INFO L225 Difference]: With dead ends: 36565 [2018-12-02 09:40:10,273 INFO L226 Difference]: Without dead ends: 10342 [2018-12-02 09:40:10,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2018-12-02 09:40:10,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10342 states. [2018-12-02 09:40:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10342 to 10342. [2018-12-02 09:40:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10342 states. [2018-12-02 09:40:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10342 states to 10342 states and 31692 transitions. [2018-12-02 09:40:10,378 INFO L78 Accepts]: Start accepts. Automaton has 10342 states and 31692 transitions. Word has length 94 [2018-12-02 09:40:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:10,378 INFO L480 AbstractCegarLoop]: Abstraction has 10342 states and 31692 transitions. [2018-12-02 09:40:10,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 09:40:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 10342 states and 31692 transitions. [2018-12-02 09:40:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:10,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:10,387 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] [2018-12-02 09:40:10,387 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:10,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:10,387 INFO L82 PathProgramCache]: Analyzing trace with hash 15963458, now seen corresponding path program 1 times [2018-12-02 09:40:10,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:10,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:10,388 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 09:40:10,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:10,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:10,436 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 09:40:10,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:10,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:40:10,436 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:10,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:40:10,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:40:10,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:40:10,437 INFO L87 Difference]: Start difference. First operand 10342 states and 31692 transitions. Second operand 7 states. [2018-12-02 09:40:10,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:10,633 INFO L93 Difference]: Finished difference Result 11745 states and 35760 transitions. [2018-12-02 09:40:10,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:40:10,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2018-12-02 09:40:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:10,645 INFO L225 Difference]: With dead ends: 11745 [2018-12-02 09:40:10,645 INFO L226 Difference]: Without dead ends: 11745 [2018-12-02 09:40:10,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 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 09:40:10,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11745 states. [2018-12-02 09:40:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11745 to 10116. [2018-12-02 09:40:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10116 states. [2018-12-02 09:40:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 31048 transitions. [2018-12-02 09:40:10,744 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 31048 transitions. Word has length 94 [2018-12-02 09:40:10,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:10,744 INFO L480 AbstractCegarLoop]: Abstraction has 10116 states and 31048 transitions. [2018-12-02 09:40:10,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:40:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 31048 transitions. [2018-12-02 09:40:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:10,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:10,752 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] [2018-12-02 09:40:10,753 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:10,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:10,753 INFO L82 PathProgramCache]: Analyzing trace with hash -761443295, now seen corresponding path program 1 times [2018-12-02 09:40:10,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:10,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:10,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:10,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:10,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:10,844 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 09:40:10,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:10,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 09:40:10,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:10,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 09:40:10,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 09:40:10,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 09:40:10,845 INFO L87 Difference]: Start difference. First operand 10116 states and 31048 transitions. Second operand 8 states. [2018-12-02 09:40:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:11,021 INFO L93 Difference]: Finished difference Result 12505 states and 38110 transitions. [2018-12-02 09:40:11,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 09:40:11,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-02 09:40:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:11,033 INFO L225 Difference]: With dead ends: 12505 [2018-12-02 09:40:11,033 INFO L226 Difference]: Without dead ends: 12409 [2018-12-02 09:40:11,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-02 09:40:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12409 states. [2018-12-02 09:40:11,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12409 to 10837. [2018-12-02 09:40:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10837 states. [2018-12-02 09:40:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10837 states to 10837 states and 33111 transitions. [2018-12-02 09:40:11,152 INFO L78 Accepts]: Start accepts. Automaton has 10837 states and 33111 transitions. Word has length 94 [2018-12-02 09:40:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:11,152 INFO L480 AbstractCegarLoop]: Abstraction has 10837 states and 33111 transitions. [2018-12-02 09:40:11,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 09:40:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 10837 states and 33111 transitions. [2018-12-02 09:40:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:11,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:11,160 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] [2018-12-02 09:40:11,160 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:11,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash 126060386, now seen corresponding path program 3 times [2018-12-02 09:40:11,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:11,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:11,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:40:11,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:11,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:40:11,233 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 09:40:11,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:40:11,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 09:40:11,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:40:11,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 09:40:11,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 09:40:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 09:40:11,234 INFO L87 Difference]: Start difference. First operand 10837 states and 33111 transitions. Second operand 11 states. [2018-12-02 09:40:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:40:11,801 INFO L93 Difference]: Finished difference Result 19085 states and 58409 transitions. [2018-12-02 09:40:11,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 09:40:11,802 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2018-12-02 09:40:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:40:11,815 INFO L225 Difference]: With dead ends: 19085 [2018-12-02 09:40:11,815 INFO L226 Difference]: Without dead ends: 12311 [2018-12-02 09:40:11,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-12-02 09:40:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12311 states. [2018-12-02 09:40:11,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12311 to 10951. [2018-12-02 09:40:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10951 states. [2018-12-02 09:40:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10951 states to 10951 states and 33268 transitions. [2018-12-02 09:40:11,936 INFO L78 Accepts]: Start accepts. Automaton has 10951 states and 33268 transitions. Word has length 94 [2018-12-02 09:40:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:40:11,936 INFO L480 AbstractCegarLoop]: Abstraction has 10951 states and 33268 transitions. [2018-12-02 09:40:11,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 09:40:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10951 states and 33268 transitions. [2018-12-02 09:40:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 09:40:11,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:40:11,946 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] [2018-12-02 09:40:11,947 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:40:11,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:40:11,947 INFO L82 PathProgramCache]: Analyzing trace with hash -123561824, now seen corresponding path program 4 times [2018-12-02 09:40:11,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:40:11,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:11,948 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 09:40:11,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:40:11,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:40:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:40:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:40:11,984 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 09:40:12,056 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 09:40:12,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:40:12 BasicIcfg [2018-12-02 09:40:12,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 09:40:12,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:40:12,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:40:12,058 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:40:12,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:38:17" (3/4) ... [2018-12-02 09:40:12,060 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 09:40:12,137 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6326168b-92f8-4844-8170-22779888c266/bin-2019/utaipan/witness.graphml [2018-12-02 09:40:12,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:40:12,137 INFO L168 Benchmark]: Toolchain (without parser) took 115718.37 ms. Allocated memory was 1.0 GB in the beginning and 7.4 GB in the end (delta: 6.3 GB). Free memory was 947.0 MB in the beginning and 5.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,138 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:40:12,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,139 INFO L168 Benchmark]: Boogie Preprocessor took 20.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:40:12,139 INFO L168 Benchmark]: RCFGBuilder took 328.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,140 INFO L168 Benchmark]: TraceAbstraction took 114886.88 ms. Allocated memory was 1.1 GB in the beginning and 7.4 GB in the end (delta: 6.2 GB). Free memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,140 INFO L168 Benchmark]: Witness Printer took 79.08 ms. Allocated memory is still 7.4 GB. Free memory was 5.5 GB in the beginning and 5.5 GB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:40:12,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 328.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 114886.88 ms. Allocated memory was 1.1 GB in the beginning and 7.4 GB in the end (delta: 6.2 GB). Free memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 79.08 ms. Allocated memory is still 7.4 GB. Free memory was 5.5 GB in the beginning and 5.5 GB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 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: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L678] -1 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L680] -1 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L682] -1 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L683] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0] [L684] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L686] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L688] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L689] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L690] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L691] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L692] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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] [L693] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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] [L694] -1 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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$r_buff0_thd3=0] [L695] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0] [L696] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L697] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L698] -1 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L699] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L700] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L701] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L702] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L703] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L704] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L706] -1 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L707] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L708] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] -1 pthread_t t924; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L799] FCALL, FORK -1 pthread_create(&t924, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] -1 pthread_t t925; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L801] FCALL, FORK -1 pthread_create(&t925, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] -1 pthread_t t926; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L803] FCALL, FORK -1 pthread_create(&t926, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L755] 0 y$w_buff1 = y$w_buff0 [L756] 0 y$w_buff0 = 1 [L757] 0 y$w_buff1_used = y$w_buff0_used [L758] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L761] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L762] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L763] 0 y$r_buff1_thd3 = y$r_buff0_thd3 [L764] 0 y$r_buff0_thd3 = (_Bool)1 [L767] 0 z = 1 [L770] 0 __unbuffered_p2_EAX = z [L773] 0 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L776] EXPR 0 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L712] 1 a = 1 [L715] 1 __unbuffered_p0_EAX = x [L720] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L727] 2 x = 1 [L730] 2 weak$$choice0 = __VERIFIER_nondet_pointer() [L731] 2 weak$$choice2 = __VERIFIER_nondet_pointer() [L732] 2 y$flush_delayed = weak$$choice2 [L733] 2 y$mem_tmp = y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L734] EXPR 2 !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=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L776] 0 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L777] EXPR 0 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used VAL [!y$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=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L777] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L778] EXPR 0 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used VAL [!y$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=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L734] 2 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) [L735] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L735] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L736] EXPR 2 weak$$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$w_buff1)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L736] 2 y$w_buff1 = weak$$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$w_buff1)) [L778] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L779] EXPR 0 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L779] 0 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L780] EXPR 0 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L780] 0 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L783] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L737] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L737] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L738] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L738] 2 y$w_buff1_used = weak$$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)) [L739] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L739] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L740] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L740] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L741] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L742] EXPR 2 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L742] 2 y = y$flush_delayed ? y$mem_tmp : y [L743] 2 y$flush_delayed = (_Bool)0 [L748] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L805] -1 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L809] 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=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L809] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L809] 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=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L809] -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) [L810] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L810] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L811] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L811] -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 [L812] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L812] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L813] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L813] -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 [L816] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 220 locations, 3 error locations. UNSAFE Result, 114.8s OverallTime, 29 OverallIterations, 1 TraceHistogramMax, 29.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8362 SDtfs, 10765 SDslu, 19717 SDs, 0 SdLazy, 6165 SolverSat, 400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 69 SyntacticMatches, 17 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259069occurred in iteration=9, 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: 61.2s AutomataMinimizationTime, 28 MinimizatonAttempts, 645719 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2146 NumberOfCodeBlocks, 2146 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2024 ConstructedInterpolants, 0 QuantifiedInterpolants, 384419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...