./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix031_rmo.oepc_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031_rmo.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/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 299cf90b3d63022a669c015dab67fb8f824b1c69 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:09:40,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:09:40,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:09:40,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:09:40,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:09:40,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:09:40,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:09:40,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:09:40,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:09:40,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:09:40,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:09:40,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:09:40,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:09:40,387 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:09:40,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:09:40,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:09:40,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:09:40,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:09:40,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:09:40,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:09:40,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:09:40,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:09:40,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:09:40,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:09:40,393 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:09:40,394 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:09:40,395 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:09:40,395 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:09:40,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:09:40,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:09:40,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:09:40,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:09:40,397 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:09:40,397 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:09:40,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:09:40,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:09:40,398 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:09:40,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:09:40,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:09:40,406 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:09:40,406 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:09:40,406 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:09:40,406 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:09:40,406 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:09:40,406 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:09:40,406 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:09:40,407 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:09:40,407 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:09:40,407 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:09:40,407 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:09:40,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:09:40,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:09:40,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:09:40,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:09:40,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:09:40,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:09:40,410 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:09:40,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:09:40,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:09:40,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:09:40,410 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_753911df-50f5-493e-9a64-ce2998c13b09/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 -> 299cf90b3d63022a669c015dab67fb8f824b1c69 [2018-12-02 04:09:40,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:09:40,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:09:40,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:09:40,441 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:09:40,441 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:09:40,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix031_rmo.oepc_false-unreach-call.i [2018-12-02 04:09:40,487 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/data/2b95fcb00/f5b17f041af7486da0abd6e0ff872f42/FLAGf63247820 [2018-12-02 04:09:40,942 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:09:40,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/sv-benchmarks/c/pthread-wmm/mix031_rmo.oepc_false-unreach-call.i [2018-12-02 04:09:40,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/data/2b95fcb00/f5b17f041af7486da0abd6e0ff872f42/FLAGf63247820 [2018-12-02 04:09:40,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/data/2b95fcb00/f5b17f041af7486da0abd6e0ff872f42 [2018-12-02 04:09:40,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:09:40,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:09:40,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:09:40,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:09:40,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:09:40,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:40" (1/1) ... [2018-12-02 04:09:40,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca176b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:40, skipping insertion in model container [2018-12-02 04:09:40,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:40" (1/1) ... [2018-12-02 04:09:40,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:09:40,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:09:41,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:09:41,176 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:09:41,261 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:09:41,295 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:09:41,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41 WrapperNode [2018-12-02 04:09:41,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:09:41,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:09:41,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:09:41,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:09:41,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:09:41,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:09:41,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:09:41,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:09:41,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... [2018-12-02 04:09:41,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:09:41,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:09:41,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:09:41,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:09:41,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/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 04:09:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:09:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 04:09:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 04:09:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 04:09:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:09:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:09:41,402 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 04:09:41,718 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:09:41,718 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 04:09:41,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:41 BoogieIcfgContainer [2018-12-02 04:09:41,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:09:41,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:09:41,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:09:41,722 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:09:41,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:09:40" (1/3) ... [2018-12-02 04:09:41,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531ab78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:41, skipping insertion in model container [2018-12-02 04:09:41,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:41" (2/3) ... [2018-12-02 04:09:41,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531ab78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:41, skipping insertion in model container [2018-12-02 04:09:41,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:41" (3/3) ... [2018-12-02 04:09:41,724 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031_rmo.oepc_false-unreach-call.i [2018-12-02 04:09:41,751 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,752 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,752 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,752 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,752 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,752 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,753 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,754 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,755 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,756 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,757 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,758 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,758 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,768 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,769 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,776 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,777 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,777 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:09:41,781 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 04:09:41,781 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:09:41,788 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 04:09:41,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 04:09:41,814 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:09:41,814 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:09:41,814 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:09:41,814 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:09:41,814 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:09:41,814 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:09:41,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:09:41,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:09:41,822 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146places, 184 transitions [2018-12-02 04:09:43,183 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34810 states. [2018-12-02 04:09:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 34810 states. [2018-12-02 04:09:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 04:09:43,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:43,189 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] [2018-12-02 04:09:43,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:43,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:43,194 INFO L82 PathProgramCache]: Analyzing trace with hash 148401709, now seen corresponding path program 1 times [2018-12-02 04:09:43,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:43,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:43,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:43,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:43,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:43,345 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 04:09:43,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:43,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:43,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:43,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:43,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:43,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:43,359 INFO L87 Difference]: Start difference. First operand 34810 states. Second operand 4 states. [2018-12-02 04:09:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:43,858 INFO L93 Difference]: Finished difference Result 60794 states and 234497 transitions. [2018-12-02 04:09:43,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:09:43,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-12-02 04:09:43,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:44,004 INFO L225 Difference]: With dead ends: 60794 [2018-12-02 04:09:44,004 INFO L226 Difference]: Without dead ends: 44274 [2018-12-02 04:09:44,005 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 04:09:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44274 states. [2018-12-02 04:09:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44274 to 27342. [2018-12-02 04:09:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27342 states. [2018-12-02 04:09:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27342 states to 27342 states and 105503 transitions. [2018-12-02 04:09:44,741 INFO L78 Accepts]: Start accepts. Automaton has 27342 states and 105503 transitions. Word has length 37 [2018-12-02 04:09:44,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:44,741 INFO L480 AbstractCegarLoop]: Abstraction has 27342 states and 105503 transitions. [2018-12-02 04:09:44,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 27342 states and 105503 transitions. [2018-12-02 04:09:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 04:09:44,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:44,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:44,746 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:44,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:44,747 INFO L82 PathProgramCache]: Analyzing trace with hash -54930118, now seen corresponding path program 1 times [2018-12-02 04:09:44,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:44,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:44,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:44,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:44,750 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:44,791 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 04:09:44,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:44,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:44,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:44,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:44,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:44,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:44,793 INFO L87 Difference]: Start difference. First operand 27342 states and 105503 transitions. Second operand 4 states. [2018-12-02 04:09:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:44,877 INFO L93 Difference]: Finished difference Result 8532 states and 28348 transitions. [2018-12-02 04:09:44,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:09:44,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-12-02 04:09:44,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:44,891 INFO L225 Difference]: With dead ends: 8532 [2018-12-02 04:09:44,892 INFO L226 Difference]: Without dead ends: 7470 [2018-12-02 04:09:44,892 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 04:09:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2018-12-02 04:09:44,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2018-12-02 04:09:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2018-12-02 04:09:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 24640 transitions. [2018-12-02 04:09:44,985 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 24640 transitions. Word has length 49 [2018-12-02 04:09:44,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:44,986 INFO L480 AbstractCegarLoop]: Abstraction has 7470 states and 24640 transitions. [2018-12-02 04:09:44,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 24640 transitions. [2018-12-02 04:09:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 04:09:44,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:44,987 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] [2018-12-02 04:09:44,987 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:44,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:44,987 INFO L82 PathProgramCache]: Analyzing trace with hash -790300171, now seen corresponding path program 1 times [2018-12-02 04:09:44,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:44,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:44,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:44,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:44,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:45,036 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 04:09:45,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:45,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:45,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:45,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:45,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:45,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:45,038 INFO L87 Difference]: Start difference. First operand 7470 states and 24640 transitions. Second operand 5 states. [2018-12-02 04:09:45,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:45,279 INFO L93 Difference]: Finished difference Result 14002 states and 45809 transitions. [2018-12-02 04:09:45,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:45,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-12-02 04:09:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:45,308 INFO L225 Difference]: With dead ends: 14002 [2018-12-02 04:09:45,308 INFO L226 Difference]: Without dead ends: 13934 [2018-12-02 04:09:45,308 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 04:09:45,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13934 states. [2018-12-02 04:09:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13934 to 9445. [2018-12-02 04:09:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9445 states. [2018-12-02 04:09:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9445 states to 9445 states and 30546 transitions. [2018-12-02 04:09:45,512 INFO L78 Accepts]: Start accepts. Automaton has 9445 states and 30546 transitions. Word has length 50 [2018-12-02 04:09:45,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:45,513 INFO L480 AbstractCegarLoop]: Abstraction has 9445 states and 30546 transitions. [2018-12-02 04:09:45,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 9445 states and 30546 transitions. [2018-12-02 04:09:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 04:09:45,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:45,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:45,515 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:45,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:45,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1702931131, now seen corresponding path program 1 times [2018-12-02 04:09:45,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:45,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:45,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:45,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:45,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:45,540 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 04:09:45,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:45,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:09:45,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:45,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:09:45,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:09:45,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:09:45,541 INFO L87 Difference]: Start difference. First operand 9445 states and 30546 transitions. Second operand 3 states. [2018-12-02 04:09:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:45,629 INFO L93 Difference]: Finished difference Result 13283 states and 42645 transitions. [2018-12-02 04:09:45,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:09:45,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 04:09:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:45,660 INFO L225 Difference]: With dead ends: 13283 [2018-12-02 04:09:45,661 INFO L226 Difference]: Without dead ends: 13283 [2018-12-02 04:09:45,661 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 04:09:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13283 states. [2018-12-02 04:09:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13283 to 9849. [2018-12-02 04:09:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9849 states. [2018-12-02 04:09:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 31512 transitions. [2018-12-02 04:09:45,819 INFO L78 Accepts]: Start accepts. Automaton has 9849 states and 31512 transitions. Word has length 52 [2018-12-02 04:09:45,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:45,819 INFO L480 AbstractCegarLoop]: Abstraction has 9849 states and 31512 transitions. [2018-12-02 04:09:45,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:09:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 9849 states and 31512 transitions. [2018-12-02 04:09:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 04:09:45,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:45,821 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:45,821 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:45,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:45,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1252831162, now seen corresponding path program 1 times [2018-12-02 04:09:45,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:45,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:45,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:45,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:45,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:45,869 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 04:09:45,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:45,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:09:45,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:45,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:09:45,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:09:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:45,870 INFO L87 Difference]: Start difference. First operand 9849 states and 31512 transitions. Second operand 6 states. [2018-12-02 04:09:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:46,132 INFO L93 Difference]: Finished difference Result 14207 states and 45068 transitions. [2018-12-02 04:09:46,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:09:46,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-12-02 04:09:46,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:46,153 INFO L225 Difference]: With dead ends: 14207 [2018-12-02 04:09:46,153 INFO L226 Difference]: Without dead ends: 14135 [2018-12-02 04:09:46,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 04:09:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14135 states. [2018-12-02 04:09:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14135 to 10853. [2018-12-02 04:09:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10853 states. [2018-12-02 04:09:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10853 states to 10853 states and 34567 transitions. [2018-12-02 04:09:46,278 INFO L78 Accepts]: Start accepts. Automaton has 10853 states and 34567 transitions. Word has length 56 [2018-12-02 04:09:46,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:46,278 INFO L480 AbstractCegarLoop]: Abstraction has 10853 states and 34567 transitions. [2018-12-02 04:09:46,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:09:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 10853 states and 34567 transitions. [2018-12-02 04:09:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 04:09:46,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:46,282 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:46,283 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:46,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:46,283 INFO L82 PathProgramCache]: Analyzing trace with hash -575191646, now seen corresponding path program 1 times [2018-12-02 04:09:46,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:46,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:46,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:46,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:46,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:46,333 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 04:09:46,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:46,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:46,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:46,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:46,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:46,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:46,334 INFO L87 Difference]: Start difference. First operand 10853 states and 34567 transitions. Second operand 4 states. [2018-12-02 04:09:46,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:46,422 INFO L93 Difference]: Finished difference Result 12400 states and 39576 transitions. [2018-12-02 04:09:46,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:09:46,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 04:09:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:46,436 INFO L225 Difference]: With dead ends: 12400 [2018-12-02 04:09:46,436 INFO L226 Difference]: Without dead ends: 12400 [2018-12-02 04:09:46,436 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 04:09:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12400 states. [2018-12-02 04:09:46,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12400 to 11373. [2018-12-02 04:09:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11373 states. [2018-12-02 04:09:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11373 states to 11373 states and 36240 transitions. [2018-12-02 04:09:46,588 INFO L78 Accepts]: Start accepts. Automaton has 11373 states and 36240 transitions. Word has length 64 [2018-12-02 04:09:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:46,588 INFO L480 AbstractCegarLoop]: Abstraction has 11373 states and 36240 transitions. [2018-12-02 04:09:46,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 11373 states and 36240 transitions. [2018-12-02 04:09:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 04:09:46,591 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:46,591 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:46,591 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:46,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1167618689, now seen corresponding path program 1 times [2018-12-02 04:09:46,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:46,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:46,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:46,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:46,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:46,627 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 04:09:46,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:46,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:09:46,627 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:46,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:09:46,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:09:46,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:46,628 INFO L87 Difference]: Start difference. First operand 11373 states and 36240 transitions. Second operand 6 states. [2018-12-02 04:09:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:46,899 INFO L93 Difference]: Finished difference Result 20973 states and 66490 transitions. [2018-12-02 04:09:46,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:09:46,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-02 04:09:46,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:46,922 INFO L225 Difference]: With dead ends: 20973 [2018-12-02 04:09:46,922 INFO L226 Difference]: Without dead ends: 20902 [2018-12-02 04:09:46,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-02 04:09:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20902 states. [2018-12-02 04:09:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20902 to 13759. [2018-12-02 04:09:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13759 states. [2018-12-02 04:09:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13759 states to 13759 states and 43284 transitions. [2018-12-02 04:09:47,100 INFO L78 Accepts]: Start accepts. Automaton has 13759 states and 43284 transitions. Word has length 64 [2018-12-02 04:09:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:47,100 INFO L480 AbstractCegarLoop]: Abstraction has 13759 states and 43284 transitions. [2018-12-02 04:09:47,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:09:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 13759 states and 43284 transitions. [2018-12-02 04:09:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 04:09:47,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:47,105 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] [2018-12-02 04:09:47,105 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:47,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:47,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1129581006, now seen corresponding path program 1 times [2018-12-02 04:09:47,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:47,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:47,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:47,161 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 04:09:47,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:47,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:47,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:47,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:47,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:47,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:47,162 INFO L87 Difference]: Start difference. First operand 13759 states and 43284 transitions. Second operand 4 states. [2018-12-02 04:09:47,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:47,358 INFO L93 Difference]: Finished difference Result 17639 states and 54589 transitions. [2018-12-02 04:09:47,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:09:47,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-12-02 04:09:47,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:47,377 INFO L225 Difference]: With dead ends: 17639 [2018-12-02 04:09:47,377 INFO L226 Difference]: Without dead ends: 17639 [2018-12-02 04:09:47,377 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 04:09:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17639 states. [2018-12-02 04:09:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17639 to 15797. [2018-12-02 04:09:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15797 states. [2018-12-02 04:09:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15797 states to 15797 states and 49135 transitions. [2018-12-02 04:09:47,554 INFO L78 Accepts]: Start accepts. Automaton has 15797 states and 49135 transitions. Word has length 68 [2018-12-02 04:09:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:47,555 INFO L480 AbstractCegarLoop]: Abstraction has 15797 states and 49135 transitions. [2018-12-02 04:09:47,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 15797 states and 49135 transitions. [2018-12-02 04:09:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 04:09:47,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:47,559 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] [2018-12-02 04:09:47,559 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:47,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -947628337, now seen corresponding path program 1 times [2018-12-02 04:09:47,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:47,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:47,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:47,588 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 04:09:47,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:47,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:09:47,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:47,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:09:47,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:09:47,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:09:47,589 INFO L87 Difference]: Start difference. First operand 15797 states and 49135 transitions. Second operand 3 states. [2018-12-02 04:09:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:47,744 INFO L93 Difference]: Finished difference Result 16389 states and 50742 transitions. [2018-12-02 04:09:47,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:09:47,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-12-02 04:09:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:47,763 INFO L225 Difference]: With dead ends: 16389 [2018-12-02 04:09:47,763 INFO L226 Difference]: Without dead ends: 16389 [2018-12-02 04:09:47,764 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 04:09:47,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16389 states. [2018-12-02 04:09:47,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16389 to 16113. [2018-12-02 04:09:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16113 states. [2018-12-02 04:09:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16113 states to 16113 states and 49985 transitions. [2018-12-02 04:09:47,992 INFO L78 Accepts]: Start accepts. Automaton has 16113 states and 49985 transitions. Word has length 68 [2018-12-02 04:09:47,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:47,992 INFO L480 AbstractCegarLoop]: Abstraction has 16113 states and 49985 transitions. [2018-12-02 04:09:47,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:09:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 16113 states and 49985 transitions. [2018-12-02 04:09:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:47,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:47,997 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:47,998 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:47,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:47,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1412859306, now seen corresponding path program 1 times [2018-12-02 04:09:47,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:47,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:47,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:47,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:48,062 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 04:09:48,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:48,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:09:48,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:48,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:09:48,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:09:48,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:48,063 INFO L87 Difference]: Start difference. First operand 16113 states and 49985 transitions. Second operand 6 states. [2018-12-02 04:09:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:48,665 INFO L93 Difference]: Finished difference Result 19825 states and 60441 transitions. [2018-12-02 04:09:48,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:48,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-12-02 04:09:48,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:48,685 INFO L225 Difference]: With dead ends: 19825 [2018-12-02 04:09:48,685 INFO L226 Difference]: Without dead ends: 19825 [2018-12-02 04:09:48,685 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 04:09:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19825 states. [2018-12-02 04:09:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19825 to 18621. [2018-12-02 04:09:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18621 states. [2018-12-02 04:09:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18621 states to 18621 states and 57221 transitions. [2018-12-02 04:09:48,876 INFO L78 Accepts]: Start accepts. Automaton has 18621 states and 57221 transitions. Word has length 70 [2018-12-02 04:09:48,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:48,876 INFO L480 AbstractCegarLoop]: Abstraction has 18621 states and 57221 transitions. [2018-12-02 04:09:48,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:09:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 18621 states and 57221 transitions. [2018-12-02 04:09:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:48,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:48,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:48,883 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:48,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:48,883 INFO L82 PathProgramCache]: Analyzing trace with hash 804898647, now seen corresponding path program 1 times [2018-12-02 04:09:48,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:48,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:48,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:48,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:48,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:09:48,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:48,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:48,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:48,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:48,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:48,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:48,941 INFO L87 Difference]: Start difference. First operand 18621 states and 57221 transitions. Second operand 5 states. [2018-12-02 04:09:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:49,162 INFO L93 Difference]: Finished difference Result 24184 states and 73726 transitions. [2018-12-02 04:09:49,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:49,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 04:09:49,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:49,187 INFO L225 Difference]: With dead ends: 24184 [2018-12-02 04:09:49,187 INFO L226 Difference]: Without dead ends: 24184 [2018-12-02 04:09:49,188 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 04:09:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24184 states. [2018-12-02 04:09:49,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24184 to 22021. [2018-12-02 04:09:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22021 states. [2018-12-02 04:09:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22021 states to 22021 states and 67146 transitions. [2018-12-02 04:09:49,416 INFO L78 Accepts]: Start accepts. Automaton has 22021 states and 67146 transitions. Word has length 70 [2018-12-02 04:09:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:49,416 INFO L480 AbstractCegarLoop]: Abstraction has 22021 states and 67146 transitions. [2018-12-02 04:09:49,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 22021 states and 67146 transitions. [2018-12-02 04:09:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:49,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:49,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:49,424 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:49,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:49,424 INFO L82 PathProgramCache]: Analyzing trace with hash 294364470, now seen corresponding path program 1 times [2018-12-02 04:09:49,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:49,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:49,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:49,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:49,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:49,473 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 04:09:49,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:49,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:49,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:49,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:49,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:49,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:49,474 INFO L87 Difference]: Start difference. First operand 22021 states and 67146 transitions. Second operand 5 states. [2018-12-02 04:09:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:49,815 INFO L93 Difference]: Finished difference Result 30767 states and 92772 transitions. [2018-12-02 04:09:49,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:09:49,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 04:09:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:49,848 INFO L225 Difference]: With dead ends: 30767 [2018-12-02 04:09:49,848 INFO L226 Difference]: Without dead ends: 30767 [2018-12-02 04:09:49,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:09:49,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30767 states. [2018-12-02 04:09:50,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30767 to 27531. [2018-12-02 04:09:50,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27531 states. [2018-12-02 04:09:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27531 states to 27531 states and 83463 transitions. [2018-12-02 04:09:50,148 INFO L78 Accepts]: Start accepts. Automaton has 27531 states and 83463 transitions. Word has length 70 [2018-12-02 04:09:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:50,148 INFO L480 AbstractCegarLoop]: Abstraction has 27531 states and 83463 transitions. [2018-12-02 04:09:50,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27531 states and 83463 transitions. [2018-12-02 04:09:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:50,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:50,157 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:50,157 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:50,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1513089993, now seen corresponding path program 1 times [2018-12-02 04:09:50,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:50,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:50,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:50,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:50,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:50,207 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 04:09:50,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:50,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:50,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:50,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:50,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:50,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:50,208 INFO L87 Difference]: Start difference. First operand 27531 states and 83463 transitions. Second operand 4 states. [2018-12-02 04:09:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:50,586 INFO L93 Difference]: Finished difference Result 37927 states and 115324 transitions. [2018-12-02 04:09:50,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:09:50,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-12-02 04:09:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:50,628 INFO L225 Difference]: With dead ends: 37927 [2018-12-02 04:09:50,628 INFO L226 Difference]: Without dead ends: 37711 [2018-12-02 04:09:50,628 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 04:09:50,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37711 states. [2018-12-02 04:09:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37711 to 34931. [2018-12-02 04:09:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34931 states. [2018-12-02 04:09:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34931 states to 34931 states and 106353 transitions. [2018-12-02 04:09:50,993 INFO L78 Accepts]: Start accepts. Automaton has 34931 states and 106353 transitions. Word has length 70 [2018-12-02 04:09:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:50,993 INFO L480 AbstractCegarLoop]: Abstraction has 34931 states and 106353 transitions. [2018-12-02 04:09:50,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 34931 states and 106353 transitions. [2018-12-02 04:09:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:51,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:51,005 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:51,005 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:51,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:51,006 INFO L82 PathProgramCache]: Analyzing trace with hash 984925944, now seen corresponding path program 1 times [2018-12-02 04:09:51,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:51,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:51,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:51,102 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 04:09:51,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:51,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:09:51,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:51,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:09:51,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:09:51,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:09:51,104 INFO L87 Difference]: Start difference. First operand 34931 states and 106353 transitions. Second operand 7 states. [2018-12-02 04:09:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:51,430 INFO L93 Difference]: Finished difference Result 30943 states and 89976 transitions. [2018-12-02 04:09:51,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:09:51,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 04:09:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:51,466 INFO L225 Difference]: With dead ends: 30943 [2018-12-02 04:09:51,466 INFO L226 Difference]: Without dead ends: 30943 [2018-12-02 04:09:51,467 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 04:09:51,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30943 states. [2018-12-02 04:09:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30943 to 25023. [2018-12-02 04:09:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25023 states. [2018-12-02 04:09:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25023 states to 25023 states and 72808 transitions. [2018-12-02 04:09:51,788 INFO L78 Accepts]: Start accepts. Automaton has 25023 states and 72808 transitions. Word has length 70 [2018-12-02 04:09:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:51,788 INFO L480 AbstractCegarLoop]: Abstraction has 25023 states and 72808 transitions. [2018-12-02 04:09:51,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:09:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 25023 states and 72808 transitions. [2018-12-02 04:09:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:51,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:51,795 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:51,796 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:51,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:51,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1872429625, now seen corresponding path program 1 times [2018-12-02 04:09:51,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:51,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:51,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:51,826 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 04:09:51,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:51,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:51,826 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:51,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:51,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:51,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:51,827 INFO L87 Difference]: Start difference. First operand 25023 states and 72808 transitions. Second operand 5 states. [2018-12-02 04:09:51,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:51,855 INFO L93 Difference]: Finished difference Result 7111 states and 17702 transitions. [2018-12-02 04:09:51,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:09:51,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 04:09:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:51,859 INFO L225 Difference]: With dead ends: 7111 [2018-12-02 04:09:51,859 INFO L226 Difference]: Without dead ends: 5778 [2018-12-02 04:09:51,860 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 04:09:51,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5778 states. [2018-12-02 04:09:51,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5778 to 5211. [2018-12-02 04:09:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5211 states. [2018-12-02 04:09:51,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 5211 states and 12576 transitions. [2018-12-02 04:09:51,896 INFO L78 Accepts]: Start accepts. Automaton has 5211 states and 12576 transitions. Word has length 70 [2018-12-02 04:09:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:51,896 INFO L480 AbstractCegarLoop]: Abstraction has 5211 states and 12576 transitions. [2018-12-02 04:09:51,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5211 states and 12576 transitions. [2018-12-02 04:09:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 04:09:51,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:51,899 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:51,900 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:51,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash -173742318, now seen corresponding path program 1 times [2018-12-02 04:09:51,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:51,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:51,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:51,918 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 04:09:51,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:51,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:09:51,918 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:51,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:09:51,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:09:51,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:09:51,919 INFO L87 Difference]: Start difference. First operand 5211 states and 12576 transitions. Second operand 3 states. [2018-12-02 04:09:51,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:51,942 INFO L93 Difference]: Finished difference Result 6743 states and 16083 transitions. [2018-12-02 04:09:51,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:09:51,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-02 04:09:51,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:51,947 INFO L225 Difference]: With dead ends: 6743 [2018-12-02 04:09:51,947 INFO L226 Difference]: Without dead ends: 6743 [2018-12-02 04:09:51,948 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 04:09:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6743 states. [2018-12-02 04:09:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 5112. [2018-12-02 04:09:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5112 states. [2018-12-02 04:09:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 12061 transitions. [2018-12-02 04:09:51,990 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 12061 transitions. Word has length 70 [2018-12-02 04:09:51,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:51,990 INFO L480 AbstractCegarLoop]: Abstraction has 5112 states and 12061 transitions. [2018-12-02 04:09:51,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:09:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 12061 transitions. [2018-12-02 04:09:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 04:09:51,993 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:51,993 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] [2018-12-02 04:09:51,994 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:51,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 536084869, now seen corresponding path program 1 times [2018-12-02 04:09:51,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:51,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:51,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:51,995 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:52,020 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 04:09:52,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:52,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:52,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:52,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:52,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:52,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:52,021 INFO L87 Difference]: Start difference. First operand 5112 states and 12061 transitions. Second operand 5 states. [2018-12-02 04:09:52,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:52,115 INFO L93 Difference]: Finished difference Result 6146 states and 14511 transitions. [2018-12-02 04:09:52,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:09:52,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-02 04:09:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:52,119 INFO L225 Difference]: With dead ends: 6146 [2018-12-02 04:09:52,119 INFO L226 Difference]: Without dead ends: 6146 [2018-12-02 04:09:52,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:09:52,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6146 states. [2018-12-02 04:09:52,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6146 to 5590. [2018-12-02 04:09:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5590 states. [2018-12-02 04:09:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 13219 transitions. [2018-12-02 04:09:52,156 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 13219 transitions. Word has length 76 [2018-12-02 04:09:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:52,157 INFO L480 AbstractCegarLoop]: Abstraction has 5590 states and 13219 transitions. [2018-12-02 04:09:52,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 13219 transitions. [2018-12-02 04:09:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 04:09:52,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:52,160 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] [2018-12-02 04:09:52,160 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:52,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:52,160 INFO L82 PathProgramCache]: Analyzing trace with hash -2016072092, now seen corresponding path program 1 times [2018-12-02 04:09:52,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:52,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:52,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,161 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:52,199 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 04:09:52,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:52,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:09:52,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:52,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:09:52,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:09:52,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:09:52,200 INFO L87 Difference]: Start difference. First operand 5590 states and 13219 transitions. Second operand 7 states. [2018-12-02 04:09:52,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:52,414 INFO L93 Difference]: Finished difference Result 6317 states and 14770 transitions. [2018-12-02 04:09:52,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 04:09:52,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-12-02 04:09:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:52,419 INFO L225 Difference]: With dead ends: 6317 [2018-12-02 04:09:52,419 INFO L226 Difference]: Without dead ends: 6215 [2018-12-02 04:09:52,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-12-02 04:09:52,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2018-12-02 04:09:52,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 5600. [2018-12-02 04:09:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5600 states. [2018-12-02 04:09:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5600 states to 5600 states and 13149 transitions. [2018-12-02 04:09:52,457 INFO L78 Accepts]: Start accepts. Automaton has 5600 states and 13149 transitions. Word has length 76 [2018-12-02 04:09:52,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:52,457 INFO L480 AbstractCegarLoop]: Abstraction has 5600 states and 13149 transitions. [2018-12-02 04:09:52,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:09:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5600 states and 13149 transitions. [2018-12-02 04:09:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 04:09:52,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:52,460 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:52,460 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:52,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:52,460 INFO L82 PathProgramCache]: Analyzing trace with hash 872406804, now seen corresponding path program 1 times [2018-12-02 04:09:52,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:52,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:52,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,462 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:52,524 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 04:09:52,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:52,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:09:52,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:52,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:09:52,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:09:52,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:09:52,525 INFO L87 Difference]: Start difference. First operand 5600 states and 13149 transitions. Second operand 7 states. [2018-12-02 04:09:52,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:52,840 INFO L93 Difference]: Finished difference Result 6817 states and 16126 transitions. [2018-12-02 04:09:52,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:52,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-12-02 04:09:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:52,845 INFO L225 Difference]: With dead ends: 6817 [2018-12-02 04:09:52,845 INFO L226 Difference]: Without dead ends: 6817 [2018-12-02 04:09:52,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 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 04:09:52,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6817 states. [2018-12-02 04:09:52,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6817 to 5783. [2018-12-02 04:09:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5783 states. [2018-12-02 04:09:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 13733 transitions. [2018-12-02 04:09:52,888 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 13733 transitions. Word has length 97 [2018-12-02 04:09:52,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:52,888 INFO L480 AbstractCegarLoop]: Abstraction has 5783 states and 13733 transitions. [2018-12-02 04:09:52,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:09:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 13733 transitions. [2018-12-02 04:09:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 04:09:52,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:52,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:52,892 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:52,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:52,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1424496976, now seen corresponding path program 1 times [2018-12-02 04:09:52,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:52,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:52,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:52,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:09:52,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:52,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:52,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:52,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:52,925 INFO L87 Difference]: Start difference. First operand 5783 states and 13733 transitions. Second operand 4 states. [2018-12-02 04:09:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:52,980 INFO L93 Difference]: Finished difference Result 6884 states and 16093 transitions. [2018-12-02 04:09:52,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:09:52,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-02 04:09:52,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:52,985 INFO L225 Difference]: With dead ends: 6884 [2018-12-02 04:09:52,985 INFO L226 Difference]: Without dead ends: 6884 [2018-12-02 04:09:52,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:52,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2018-12-02 04:09:53,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 6235. [2018-12-02 04:09:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6235 states. [2018-12-02 04:09:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6235 states to 6235 states and 14671 transitions. [2018-12-02 04:09:53,028 INFO L78 Accepts]: Start accepts. Automaton has 6235 states and 14671 transitions. Word has length 97 [2018-12-02 04:09:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:53,028 INFO L480 AbstractCegarLoop]: Abstraction has 6235 states and 14671 transitions. [2018-12-02 04:09:53,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6235 states and 14671 transitions. [2018-12-02 04:09:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:53,032 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:53,032 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:53,033 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:53,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:53,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1324645014, now seen corresponding path program 1 times [2018-12-02 04:09:53,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:53,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:53,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:53,069 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 04:09:53,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:53,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:53,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:53,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:53,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:53,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:53,070 INFO L87 Difference]: Start difference. First operand 6235 states and 14671 transitions. Second operand 5 states. [2018-12-02 04:09:53,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:53,131 INFO L93 Difference]: Finished difference Result 6821 states and 15986 transitions. [2018-12-02 04:09:53,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:53,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-12-02 04:09:53,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:53,136 INFO L225 Difference]: With dead ends: 6821 [2018-12-02 04:09:53,136 INFO L226 Difference]: Without dead ends: 6821 [2018-12-02 04:09:53,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:09:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6821 states. [2018-12-02 04:09:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6821 to 5265. [2018-12-02 04:09:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5265 states. [2018-12-02 04:09:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 12335 transitions. [2018-12-02 04:09:53,175 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 12335 transitions. Word has length 99 [2018-12-02 04:09:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:53,175 INFO L480 AbstractCegarLoop]: Abstraction has 5265 states and 12335 transitions. [2018-12-02 04:09:53,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 12335 transitions. [2018-12-02 04:09:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:53,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:53,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:53,178 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:53,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:53,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1335961141, now seen corresponding path program 1 times [2018-12-02 04:09:53,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:53,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:53,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:53,210 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 04:09:53,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:53,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 04:09:53,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:53,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:09:53,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:09:53,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:09:53,211 INFO L87 Difference]: Start difference. First operand 5265 states and 12335 transitions. Second operand 4 states. [2018-12-02 04:09:53,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:53,334 INFO L93 Difference]: Finished difference Result 6800 states and 15876 transitions. [2018-12-02 04:09:53,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:09:53,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 04:09:53,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:53,339 INFO L225 Difference]: With dead ends: 6800 [2018-12-02 04:09:53,339 INFO L226 Difference]: Without dead ends: 6739 [2018-12-02 04:09:53,339 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 04:09:53,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6739 states. [2018-12-02 04:09:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6739 to 6337. [2018-12-02 04:09:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6337 states. [2018-12-02 04:09:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6337 states to 6337 states and 14856 transitions. [2018-12-02 04:09:53,382 INFO L78 Accepts]: Start accepts. Automaton has 6337 states and 14856 transitions. Word has length 99 [2018-12-02 04:09:53,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:53,383 INFO L480 AbstractCegarLoop]: Abstraction has 6337 states and 14856 transitions. [2018-12-02 04:09:53,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:09:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 14856 transitions. [2018-12-02 04:09:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:53,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:53,387 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, 1, 1, 1, 1, 1] [2018-12-02 04:09:53,387 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:53,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:53,387 INFO L82 PathProgramCache]: Analyzing trace with hash -741248202, now seen corresponding path program 1 times [2018-12-02 04:09:53,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:53,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:53,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:53,462 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 04:09:53,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:53,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:09:53,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:53,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:09:53,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:09:53,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:09:53,463 INFO L87 Difference]: Start difference. First operand 6337 states and 14856 transitions. Second operand 7 states. [2018-12-02 04:09:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:53,568 INFO L93 Difference]: Finished difference Result 8083 states and 18867 transitions. [2018-12-02 04:09:53,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:53,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2018-12-02 04:09:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:53,574 INFO L225 Difference]: With dead ends: 8083 [2018-12-02 04:09:53,574 INFO L226 Difference]: Without dead ends: 8083 [2018-12-02 04:09:53,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8083 states. [2018-12-02 04:09:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8083 to 6105. [2018-12-02 04:09:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6105 states. [2018-12-02 04:09:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6105 states to 6105 states and 14166 transitions. [2018-12-02 04:09:53,624 INFO L78 Accepts]: Start accepts. Automaton has 6105 states and 14166 transitions. Word has length 99 [2018-12-02 04:09:53,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:53,624 INFO L480 AbstractCegarLoop]: Abstraction has 6105 states and 14166 transitions. [2018-12-02 04:09:53,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:09:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6105 states and 14166 transitions. [2018-12-02 04:09:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:53,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:53,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:53,629 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:53,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:53,629 INFO L82 PathProgramCache]: Analyzing trace with hash -529897289, now seen corresponding path program 1 times [2018-12-02 04:09:53,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:53,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:53,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:53,684 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 04:09:53,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:53,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:53,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:53,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:53,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:53,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:53,685 INFO L87 Difference]: Start difference. First operand 6105 states and 14166 transitions. Second operand 5 states. [2018-12-02 04:09:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:53,711 INFO L93 Difference]: Finished difference Result 6105 states and 14150 transitions. [2018-12-02 04:09:53,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:09:53,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-12-02 04:09:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:53,715 INFO L225 Difference]: With dead ends: 6105 [2018-12-02 04:09:53,716 INFO L226 Difference]: Without dead ends: 6105 [2018-12-02 04:09:53,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:53,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2018-12-02 04:09:53,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 5757. [2018-12-02 04:09:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5757 states. [2018-12-02 04:09:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 13316 transitions. [2018-12-02 04:09:53,757 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 13316 transitions. Word has length 99 [2018-12-02 04:09:53,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:53,757 INFO L480 AbstractCegarLoop]: Abstraction has 5757 states and 13316 transitions. [2018-12-02 04:09:53,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 13316 transitions. [2018-12-02 04:09:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:53,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:53,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:53,762 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:53,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:53,762 INFO L82 PathProgramCache]: Analyzing trace with hash 357606392, now seen corresponding path program 1 times [2018-12-02 04:09:53,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:53,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:53,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:53,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:09:53,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:53,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 04:09:53,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:53,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:53,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:53,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:53,863 INFO L87 Difference]: Start difference. First operand 5757 states and 13316 transitions. Second operand 10 states. [2018-12-02 04:09:54,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:54,417 INFO L93 Difference]: Finished difference Result 8664 states and 19989 transitions. [2018-12-02 04:09:54,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:09:54,418 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-12-02 04:09:54,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:54,422 INFO L225 Difference]: With dead ends: 8664 [2018-12-02 04:09:54,422 INFO L226 Difference]: Without dead ends: 6420 [2018-12-02 04:09:54,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-12-02 04:09:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2018-12-02 04:09:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 5890. [2018-12-02 04:09:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5890 states. [2018-12-02 04:09:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5890 states to 5890 states and 13589 transitions. [2018-12-02 04:09:54,464 INFO L78 Accepts]: Start accepts. Automaton has 5890 states and 13589 transitions. Word has length 99 [2018-12-02 04:09:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:54,464 INFO L480 AbstractCegarLoop]: Abstraction has 5890 states and 13589 transitions. [2018-12-02 04:09:54,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5890 states and 13589 transitions. [2018-12-02 04:09:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:54,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:54,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:54,468 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:54,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash 571332279, now seen corresponding path program 1 times [2018-12-02 04:09:54,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:54,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:54,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:54,530 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 04:09:54,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:54,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:09:54,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:54,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:09:54,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:09:54,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:54,531 INFO L87 Difference]: Start difference. First operand 5890 states and 13589 transitions. Second operand 6 states. [2018-12-02 04:09:54,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:54,613 INFO L93 Difference]: Finished difference Result 7234 states and 16172 transitions. [2018-12-02 04:09:54,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:54,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 04:09:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:54,618 INFO L225 Difference]: With dead ends: 7234 [2018-12-02 04:09:54,618 INFO L226 Difference]: Without dead ends: 7203 [2018-12-02 04:09:54,619 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 04:09:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7203 states. [2018-12-02 04:09:54,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7203 to 5897. [2018-12-02 04:09:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5897 states. [2018-12-02 04:09:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 5897 states and 13285 transitions. [2018-12-02 04:09:54,664 INFO L78 Accepts]: Start accepts. Automaton has 5897 states and 13285 transitions. Word has length 99 [2018-12-02 04:09:54,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:54,664 INFO L480 AbstractCegarLoop]: Abstraction has 5897 states and 13285 transitions. [2018-12-02 04:09:54,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:09:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 13285 transitions. [2018-12-02 04:09:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:54,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:54,669 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:54,669 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:54,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:54,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1679511564, now seen corresponding path program 1 times [2018-12-02 04:09:54,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:54,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:54,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:54,703 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 04:09:54,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:54,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:54,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:54,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:54,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:54,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:54,704 INFO L87 Difference]: Start difference. First operand 5897 states and 13285 transitions. Second operand 5 states. [2018-12-02 04:09:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:54,842 INFO L93 Difference]: Finished difference Result 6847 states and 15318 transitions. [2018-12-02 04:09:54,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:09:54,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-12-02 04:09:54,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:54,847 INFO L225 Difference]: With dead ends: 6847 [2018-12-02 04:09:54,847 INFO L226 Difference]: Without dead ends: 6781 [2018-12-02 04:09:54,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 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 04:09:54,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2018-12-02 04:09:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 5524. [2018-12-02 04:09:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5524 states. [2018-12-02 04:09:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5524 states to 5524 states and 12519 transitions. [2018-12-02 04:09:54,891 INFO L78 Accepts]: Start accepts. Automaton has 5524 states and 12519 transitions. Word has length 99 [2018-12-02 04:09:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:54,891 INFO L480 AbstractCegarLoop]: Abstraction has 5524 states and 12519 transitions. [2018-12-02 04:09:54,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5524 states and 12519 transitions. [2018-12-02 04:09:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:54,895 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:54,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:54,895 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:54,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:54,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1922354035, now seen corresponding path program 2 times [2018-12-02 04:09:54,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:54,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:54,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:54,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:54,942 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 04:09:54,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:54,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:09:54,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:54,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:09:54,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:09:54,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:09:54,943 INFO L87 Difference]: Start difference. First operand 5524 states and 12519 transitions. Second operand 6 states. [2018-12-02 04:09:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:55,056 INFO L93 Difference]: Finished difference Result 5976 states and 13438 transitions. [2018-12-02 04:09:55,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:09:55,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 04:09:55,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:55,060 INFO L225 Difference]: With dead ends: 5976 [2018-12-02 04:09:55,061 INFO L226 Difference]: Without dead ends: 5976 [2018-12-02 04:09:55,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:09:55,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2018-12-02 04:09:55,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5689. [2018-12-02 04:09:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5689 states. [2018-12-02 04:09:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5689 states to 5689 states and 12814 transitions. [2018-12-02 04:09:55,104 INFO L78 Accepts]: Start accepts. Automaton has 5689 states and 12814 transitions. Word has length 99 [2018-12-02 04:09:55,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:55,104 INFO L480 AbstractCegarLoop]: Abstraction has 5689 states and 12814 transitions. [2018-12-02 04:09:55,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:09:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 12814 transitions. [2018-12-02 04:09:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:55,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:55,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:55,109 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:55,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:55,109 INFO L82 PathProgramCache]: Analyzing trace with hash 122635640, now seen corresponding path program 2 times [2018-12-02 04:09:55,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:55,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,110 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 04:09:55,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:55,178 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 04:09:55,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:55,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 04:09:55,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:55,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:09:55,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:09:55,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:09:55,179 INFO L87 Difference]: Start difference. First operand 5689 states and 12814 transitions. Second operand 9 states. [2018-12-02 04:09:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:55,308 INFO L93 Difference]: Finished difference Result 8754 states and 19756 transitions. [2018-12-02 04:09:55,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:09:55,309 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2018-12-02 04:09:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:55,311 INFO L225 Difference]: With dead ends: 8754 [2018-12-02 04:09:55,311 INFO L226 Difference]: Without dead ends: 3276 [2018-12-02 04:09:55,311 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 04:09:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3276 states. [2018-12-02 04:09:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3276 to 3276. [2018-12-02 04:09:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3276 states. [2018-12-02 04:09:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 7363 transitions. [2018-12-02 04:09:55,332 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 7363 transitions. Word has length 99 [2018-12-02 04:09:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:55,333 INFO L480 AbstractCegarLoop]: Abstraction has 3276 states and 7363 transitions. [2018-12-02 04:09:55,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:09:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 7363 transitions. [2018-12-02 04:09:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:55,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:55,335 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:55,335 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:55,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:55,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2125986836, now seen corresponding path program 3 times [2018-12-02 04:09:55,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:55,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,336 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 04:09:55,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:55,431 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 04:09:55,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:55,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 04:09:55,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:55,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:09:55,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:09:55,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 04:09:55,432 INFO L87 Difference]: Start difference. First operand 3276 states and 7363 transitions. Second operand 11 states. [2018-12-02 04:09:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:55,933 INFO L93 Difference]: Finished difference Result 6829 states and 15388 transitions. [2018-12-02 04:09:55,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 04:09:55,933 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2018-12-02 04:09:55,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:55,937 INFO L225 Difference]: With dead ends: 6829 [2018-12-02 04:09:55,937 INFO L226 Difference]: Without dead ends: 4448 [2018-12-02 04:09:55,938 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 04:09:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2018-12-02 04:09:55,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 3307. [2018-12-02 04:09:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2018-12-02 04:09:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 7379 transitions. [2018-12-02 04:09:55,968 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 7379 transitions. Word has length 99 [2018-12-02 04:09:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:55,969 INFO L480 AbstractCegarLoop]: Abstraction has 3307 states and 7379 transitions. [2018-12-02 04:09:55,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:09:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 7379 transitions. [2018-12-02 04:09:55,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 04:09:55,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:55,972 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:55,972 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:55,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:55,972 INFO L82 PathProgramCache]: Analyzing trace with hash 303731124, now seen corresponding path program 4 times [2018-12-02 04:09:55,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:55,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,974 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 04:09:55,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:55,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:09:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:09:56,020 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 04:09:56,103 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 04:09:56,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:09:56 BasicIcfg [2018-12-02 04:09:56,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:09:56,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:09:56,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:09:56,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:09:56,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:41" (3/4) ... [2018-12-02 04:09:56,108 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 04:09:56,184 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_753911df-50f5-493e-9a64-ce2998c13b09/bin-2019/utaipan/witness.graphml [2018-12-02 04:09:56,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:09:56,185 INFO L168 Benchmark]: Toolchain (without parser) took 15224.25 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 04:09:56,185 INFO L168 Benchmark]: CDTParser took 0.18 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 04:09:56,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:56,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.35 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 04:09:56,186 INFO L168 Benchmark]: Boogie Preprocessor took 27.57 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 04:09:56,186 INFO L168 Benchmark]: RCFGBuilder took 353.70 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 04:09:56,186 INFO L168 Benchmark]: TraceAbstraction took 14385.80 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 04:09:56,186 INFO L168 Benchmark]: Witness Printer took 79.17 ms. Allocated memory is still 2.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:56,188 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 334.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.35 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 27.57 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 353.70 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 14385.80 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 79.17 ms. Allocated memory is still 2.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L677] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L679] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L681] -1 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0] [L682] -1 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0] [L683] -1 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L684] -1 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L685] -1 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L686] -1 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L687] -1 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0] [L688] -1 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L689] -1 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L690] -1 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0] [L691] -1 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L692] -1 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L693] -1 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L694] -1 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L695] -1 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L696] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L697] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L699] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L701] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L703] -1 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L704] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L705] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L790] -1 pthread_t t843; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L791] FCALL, FORK -1 pthread_create(&t843, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L709] 0 a$w_buff1 = a$w_buff0 [L710] 0 a$w_buff0 = 1 [L711] 0 a$w_buff1_used = a$w_buff0_used [L712] 0 a$w_buff0_used = (_Bool)1 [L792] -1 pthread_t t844; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L793] FCALL, FORK -1 pthread_create(&t844, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L714] 0 a$r_buff1_thd0 = a$r_buff0_thd0 [L715] 0 a$r_buff1_thd1 = a$r_buff0_thd1 [L716] 0 a$r_buff1_thd2 = a$r_buff0_thd2 [L717] 0 a$r_buff0_thd1 = (_Bool)1 [L720] 0 x = 1 [L723] 0 __unbuffered_p0_EAX = x [L726] 0 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L729] EXPR 0 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L743] 1 y = 1 [L746] 1 z = 1 [L749] 1 __unbuffered_p1_EAX = z [L752] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L753] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L754] 1 a$flush_delayed = weak$$choice2 [L755] 1 a$mem_tmp = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L756] EXPR 1 !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) VAL [!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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, z=1] [L729] 0 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L730] EXPR 0 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used VAL [!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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, z=1] [L730] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L756] 1 a = !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) [L731] EXPR 0 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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, z=1] [L731] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L757] EXPR 1 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0))=1, x=1, y=1, z=1] [L732] EXPR 0 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0))=1, x=1, y=1, z=1] [L757] 1 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) [L758] EXPR 1 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1))=0, x=1, y=1, z=1] [L758] 1 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) [L759] EXPR 1 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used))=0, x=1, y=1, z=1] [L732] 0 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L733] EXPR 0 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used))=0, x=1, y=1, z=1] [L733] 0 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L736] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used))=0, x=1, y=1, z=1] [L759] 1 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) [L760] EXPR 1 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=1] [L760] 1 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L761] EXPR 1 weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2))=0, x=1, y=1, z=1] [L761] 1 a$r_buff0_thd2 = weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2)) [L762] EXPR 1 weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=1] [L762] 1 a$r_buff1_thd2 = weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L763] 1 __unbuffered_p1_EBX = a VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L764] EXPR 1 a$flush_delayed ? a$mem_tmp : a VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$flush_delayed ? a$mem_tmp : a=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L764] 1 a = a$flush_delayed ? a$mem_tmp : a [L765] 1 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L768] EXPR 1 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a)=0, a$w_buff1=0, a$w_buff1_used=0, a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L768] 1 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L771] 1 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L772] 1 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L795] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L799] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L799] EXPR -1 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L799] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L799] -1 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L800] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L800] -1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L801] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L801] -1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L802] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L802] -1 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L803] EXPR -1 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L803] -1 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L806] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 226 locations, 3 error locations. UNSAFE Result, 14.2s OverallTime, 31 OverallIterations, 1 TraceHistogramMax, 6.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8146 SDtfs, 8541 SDslu, 18317 SDs, 0 SdLazy, 6698 SolverSat, 308 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 71 SyntacticMatches, 29 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34931occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 30 MinimizatonAttempts, 67585 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2433 NumberOfCodeBlocks, 2433 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2304 ConstructedInterpolants, 0 QuantifiedInterpolants, 535727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 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...