./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe022_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_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe022_rmo.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/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 93cb2c4090f541459da4de0159a7e8a446889601 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 15:38:09,672 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:38:09,673 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:38:09,680 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:38:09,680 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:38:09,681 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:38:09,682 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:38:09,683 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:38:09,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:38:09,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:38:09,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:38:09,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:38:09,687 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:38:09,687 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:38:09,688 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:38:09,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:38:09,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:38:09,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:38:09,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:38:09,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:38:09,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:38:09,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:38:09,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:38:09,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:38:09,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:38:09,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:38:09,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:38:09,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:38:09,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:38:09,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:38:09,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:38:09,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:38:09,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:38:09,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:38:09,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:38:09,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:38:09,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:38:09,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:38:09,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:38:09,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:38:09,712 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:38:09,712 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:38:09,713 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:38:09,713 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:38:09,713 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:38:09,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:38:09,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:38:09,715 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:38:09,715 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:38:09,715 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:38:09,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:38:09,715 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:38:09,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:38:09,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:38:09,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:38:09,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:38:09,717 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:38:09,717 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_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/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 -> 93cb2c4090f541459da4de0159a7e8a446889601 [2018-12-09 15:38:09,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:38:09,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:38:09,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:38:09,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:38:09,751 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:38:09,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe022_rmo.oepc_false-unreach-call.i [2018-12-09 15:38:09,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/data/d1ce9a00f/4373c52bc78d4f2c9e88fc45778a4248/FLAGab0c711fb [2018-12-09 15:38:10,278 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:38:10,278 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/sv-benchmarks/c/pthread-wmm/safe022_rmo.oepc_false-unreach-call.i [2018-12-09 15:38:10,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/data/d1ce9a00f/4373c52bc78d4f2c9e88fc45778a4248/FLAGab0c711fb [2018-12-09 15:38:10,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/data/d1ce9a00f/4373c52bc78d4f2c9e88fc45778a4248 [2018-12-09 15:38:10,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:38:10,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:38:10,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:38:10,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:38:10,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:38:10,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc5e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10, skipping insertion in model container [2018-12-09 15:38:10,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:38:10,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:38:10,540 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:38:10,550 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:38:10,630 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:38:10,660 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:38:10,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10 WrapperNode [2018-12-09 15:38:10,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:38:10,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:38:10,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:38:10,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:38:10,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:38:10,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:38:10,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:38:10,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:38:10,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... [2018-12-09 15:38:10,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:38:10,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:38:10,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:38:10,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:38:10,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/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 [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 15:38:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 15:38:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 15:38:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 15:38:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 15:38:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:38:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:38:10,746 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 15:38:11,026 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:38:11,026 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 15:38:11,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:11 BoogieIcfgContainer [2018-12-09 15:38:11,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:38:11,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:38:11,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:38:11,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:38:11,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:38:10" (1/3) ... [2018-12-09 15:38:11,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1d8154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:38:11, skipping insertion in model container [2018-12-09 15:38:11,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:10" (2/3) ... [2018-12-09 15:38:11,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1d8154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:38:11, skipping insertion in model container [2018-12-09 15:38:11,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:11" (3/3) ... [2018-12-09 15:38:11,031 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_rmo.oepc_false-unreach-call.i [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,058 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:38:11,071 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 15:38:11,072 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:38:11,077 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 15:38:11,086 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 15:38:11,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:38:11,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:38:11,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:38:11,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:38:11,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:38:11,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:38:11,101 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:38:11,101 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:38:11,108 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-09 15:38:12,513 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-09 15:38:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-09 15:38:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 15:38:12,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:12,519 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:12,521 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:12,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:12,524 INFO L82 PathProgramCache]: Analyzing trace with hash -454041356, now seen corresponding path program 1 times [2018-12-09 15:38:12,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:12,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:12,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:12,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:12,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:12,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:12,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:12,688 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:12,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:12,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:12,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:12,701 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-09 15:38:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:13,182 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-09 15:38:13,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:38:13,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-09 15:38:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:13,332 INFO L225 Difference]: With dead ends: 60790 [2018-12-09 15:38:13,332 INFO L226 Difference]: Without dead ends: 44270 [2018-12-09 15:38:13,334 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 [2018-12-09 15:38:13,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-09 15:38:13,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-09 15:38:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-09 15:38:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-09 15:38:14,036 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-09 15:38:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:14,036 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-09 15:38:14,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-09 15:38:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 15:38:14,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:14,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:14,041 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:14,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:14,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1863363909, now seen corresponding path program 1 times [2018-12-09 15:38:14,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:14,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:14,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:14,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:14,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:14,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:14,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:14,094 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-09 15:38:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:14,165 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-09 15:38:14,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 15:38:14,166 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-09 15:38:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:14,180 INFO L225 Difference]: With dead ends: 8528 [2018-12-09 15:38:14,180 INFO L226 Difference]: Without dead ends: 7466 [2018-12-09 15:38:14,181 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 [2018-12-09 15:38:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-09 15:38:14,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-09 15:38:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-09 15:38:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-09 15:38:14,265 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-09 15:38:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:14,265 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-09 15:38:14,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-09 15:38:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 15:38:14,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:14,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:14,266 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:14,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:14,266 INFO L82 PathProgramCache]: Analyzing trace with hash 591681941, now seen corresponding path program 1 times [2018-12-09 15:38:14,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:14,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:14,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:14,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:14,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:14,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:14,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:14,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:14,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:14,324 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-09 15:38:14,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:14,514 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-09 15:38:14,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:14,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-09 15:38:14,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:14,536 INFO L225 Difference]: With dead ends: 13998 [2018-12-09 15:38:14,536 INFO L226 Difference]: Without dead ends: 13930 [2018-12-09 15:38:14,536 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 [2018-12-09 15:38:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-09 15:38:14,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-09 15:38:14,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-09 15:38:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-09 15:38:14,706 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-09 15:38:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:14,707 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-09 15:38:14,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-09 15:38:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 15:38:14,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:14,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:14,709 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:14,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:14,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1652121253, now seen corresponding path program 1 times [2018-12-09 15:38:14,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:14,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:14,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:14,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:14,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:38:14,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:14,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:38:14,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:38:14,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:38:14,742 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-09 15:38:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:14,799 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-09 15:38:14,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:38:14,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-09 15:38:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:14,816 INFO L225 Difference]: With dead ends: 13279 [2018-12-09 15:38:14,816 INFO L226 Difference]: Without dead ends: 13279 [2018-12-09 15:38:14,817 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 [2018-12-09 15:38:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-09 15:38:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-09 15:38:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-09 15:38:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-09 15:38:14,937 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-09 15:38:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:14,937 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-09 15:38:14,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:38:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-09 15:38:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 15:38:14,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:14,938 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:14,939 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:14,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash -164023066, now seen corresponding path program 1 times [2018-12-09 15:38:14,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:14,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:14,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:14,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:15,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:15,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:38:15,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:15,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:38:15,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:38:15,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:38:15,020 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-09 15:38:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:15,411 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-09 15:38:15,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 15:38:15,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 15:38:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:15,425 INFO L225 Difference]: With dead ends: 12285 [2018-12-09 15:38:15,425 INFO L226 Difference]: Without dead ends: 12213 [2018-12-09 15:38:15,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-09 15:38:15,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-09 15:38:15,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-09 15:38:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-09 15:38:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-09 15:38:15,545 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-09 15:38:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:15,546 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-09 15:38:15,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:38:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-09 15:38:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 15:38:15,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:15,549 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:15,550 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:15,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:15,550 INFO L82 PathProgramCache]: Analyzing trace with hash 317195842, now seen corresponding path program 1 times [2018-12-09 15:38:15,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:15,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:15,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:15,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:15,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:15,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:15,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:15,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:15,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:15,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:15,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:15,600 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-09 15:38:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:15,716 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-09 15:38:15,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 15:38:15,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-09 15:38:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:15,730 INFO L225 Difference]: With dead ends: 12396 [2018-12-09 15:38:15,730 INFO L226 Difference]: Without dead ends: 12396 [2018-12-09 15:38:15,731 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 [2018-12-09 15:38:15,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-09 15:38:15,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-09 15:38:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-09 15:38:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-09 15:38:15,853 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-09 15:38:15,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:15,853 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-09 15:38:15,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-09 15:38:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 15:38:15,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:15,856 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:15,856 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:15,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:15,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2060006177, now seen corresponding path program 1 times [2018-12-09 15:38:15,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:15,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:15,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:15,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:15,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:15,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:15,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:15,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:15,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:15,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:15,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:15,902 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-09 15:38:16,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:16,165 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-09 15:38:16,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 15:38:16,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-09 15:38:16,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:16,188 INFO L225 Difference]: With dead ends: 20969 [2018-12-09 15:38:16,189 INFO L226 Difference]: Without dead ends: 20898 [2018-12-09 15:38:16,189 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 [2018-12-09 15:38:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-09 15:38:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-09 15:38:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-09 15:38:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-09 15:38:16,372 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-09 15:38:16,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:16,373 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-09 15:38:16,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-09 15:38:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 15:38:16,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:16,377 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] [2018-12-09 15:38:16,378 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:16,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:16,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1699576415, now seen corresponding path program 1 times [2018-12-09 15:38:16,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:16,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:16,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:16,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:16,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:16,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:16,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:16,421 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:16,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:16,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:16,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:16,421 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-09 15:38:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:16,629 INFO L93 Difference]: Finished difference Result 17635 states and 54585 transitions. [2018-12-09 15:38:16,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:38:16,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-09 15:38:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:16,648 INFO L225 Difference]: With dead ends: 17635 [2018-12-09 15:38:16,649 INFO L226 Difference]: Without dead ends: 17635 [2018-12-09 15:38:16,649 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 [2018-12-09 15:38:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17635 states. [2018-12-09 15:38:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17635 to 15793. [2018-12-09 15:38:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15793 states. [2018-12-09 15:38:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15793 states to 15793 states and 49131 transitions. [2018-12-09 15:38:16,847 INFO L78 Accepts]: Start accepts. Automaton has 15793 states and 49131 transitions. Word has length 64 [2018-12-09 15:38:16,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:16,847 INFO L480 AbstractCegarLoop]: Abstraction has 15793 states and 49131 transitions. [2018-12-09 15:38:16,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 15793 states and 49131 transitions. [2018-12-09 15:38:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 15:38:16,852 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:16,852 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] [2018-12-09 15:38:16,852 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:16,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:16,852 INFO L82 PathProgramCache]: Analyzing trace with hash -377632928, now seen corresponding path program 1 times [2018-12-09 15:38:16,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:16,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:16,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:16,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:16,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:16,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:16,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:38:16,888 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:16,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:38:16,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:38:16,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:38:16,889 INFO L87 Difference]: Start difference. First operand 15793 states and 49131 transitions. Second operand 3 states. [2018-12-09 15:38:17,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:17,090 INFO L93 Difference]: Finished difference Result 16385 states and 50738 transitions. [2018-12-09 15:38:17,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:38:17,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-09 15:38:17,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:17,118 INFO L225 Difference]: With dead ends: 16385 [2018-12-09 15:38:17,119 INFO L226 Difference]: Without dead ends: 16385 [2018-12-09 15:38:17,119 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 [2018-12-09 15:38:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16385 states. [2018-12-09 15:38:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16385 to 16109. [2018-12-09 15:38:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-12-09 15:38:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 49981 transitions. [2018-12-09 15:38:17,315 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 49981 transitions. Word has length 64 [2018-12-09 15:38:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:17,315 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 49981 transitions. [2018-12-09 15:38:17,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:38:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 49981 transitions. [2018-12-09 15:38:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 15:38:17,321 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:17,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:17,321 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:17,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:17,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1938632710, now seen corresponding path program 1 times [2018-12-09 15:38:17,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:17,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:17,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:17,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:17,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:17,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:17,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:17,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:17,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:17,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:17,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:17,397 INFO L87 Difference]: Start difference. First operand 16109 states and 49981 transitions. Second operand 6 states. [2018-12-09 15:38:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:17,989 INFO L93 Difference]: Finished difference Result 19821 states and 60437 transitions. [2018-12-09 15:38:17,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:17,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 15:38:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:18,011 INFO L225 Difference]: With dead ends: 19821 [2018-12-09 15:38:18,011 INFO L226 Difference]: Without dead ends: 19821 [2018-12-09 15:38:18,011 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 [2018-12-09 15:38:18,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2018-12-09 15:38:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 18617. [2018-12-09 15:38:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18617 states. [2018-12-09 15:38:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 57217 transitions. [2018-12-09 15:38:18,206 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 57217 transitions. Word has length 66 [2018-12-09 15:38:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:18,206 INFO L480 AbstractCegarLoop]: Abstraction has 18617 states and 57217 transitions. [2018-12-09 15:38:18,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 57217 transitions. [2018-12-09 15:38:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 15:38:18,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:18,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:18,213 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:18,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:18,214 INFO L82 PathProgramCache]: Analyzing trace with hash -138576633, now seen corresponding path program 1 times [2018-12-09 15:38:18,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:18,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:18,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:18,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:18,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:18,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:18,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:18,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:18,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:18,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:18,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:18,291 INFO L87 Difference]: Start difference. First operand 18617 states and 57217 transitions. Second operand 6 states. [2018-12-09 15:38:18,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:18,573 INFO L93 Difference]: Finished difference Result 21449 states and 63626 transitions. [2018-12-09 15:38:18,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:38:18,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 15:38:18,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:18,598 INFO L225 Difference]: With dead ends: 21449 [2018-12-09 15:38:18,598 INFO L226 Difference]: Without dead ends: 21449 [2018-12-09 15:38:18,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:38:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2018-12-09 15:38:18,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 19133. [2018-12-09 15:38:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19133 states. [2018-12-09 15:38:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19133 states to 19133 states and 57764 transitions. [2018-12-09 15:38:18,841 INFO L78 Accepts]: Start accepts. Automaton has 19133 states and 57764 transitions. Word has length 66 [2018-12-09 15:38:18,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:18,841 INFO L480 AbstractCegarLoop]: Abstraction has 19133 states and 57764 transitions. [2018-12-09 15:38:18,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 19133 states and 57764 transitions. [2018-12-09 15:38:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 15:38:18,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:18,847 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:18,848 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:18,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash 72774280, now seen corresponding path program 1 times [2018-12-09 15:38:18,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:18,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:18,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:18,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:18,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:18,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:18,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:18,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:18,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:18,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:18,899 INFO L87 Difference]: Start difference. First operand 19133 states and 57764 transitions. Second operand 5 states. [2018-12-09 15:38:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:19,128 INFO L93 Difference]: Finished difference Result 25024 states and 75018 transitions. [2018-12-09 15:38:19,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:19,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 15:38:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:19,157 INFO L225 Difference]: With dead ends: 25024 [2018-12-09 15:38:19,157 INFO L226 Difference]: Without dead ends: 25024 [2018-12-09 15:38:19,158 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 [2018-12-09 15:38:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25024 states. [2018-12-09 15:38:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25024 to 22709. [2018-12-09 15:38:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22709 states. [2018-12-09 15:38:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22709 states to 22709 states and 68032 transitions. [2018-12-09 15:38:19,412 INFO L78 Accepts]: Start accepts. Automaton has 22709 states and 68032 transitions. Word has length 66 [2018-12-09 15:38:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:19,412 INFO L480 AbstractCegarLoop]: Abstraction has 22709 states and 68032 transitions. [2018-12-09 15:38:19,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 22709 states and 68032 transitions. [2018-12-09 15:38:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 15:38:19,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:19,420 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:19,420 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:19,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:19,420 INFO L82 PathProgramCache]: Analyzing trace with hash -437759897, now seen corresponding path program 1 times [2018-12-09 15:38:19,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:19,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:19,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:19,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:19,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:19,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:19,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:19,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:19,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:19,462 INFO L87 Difference]: Start difference. First operand 22709 states and 68032 transitions. Second operand 5 states. [2018-12-09 15:38:19,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:19,494 INFO L93 Difference]: Finished difference Result 7837 states and 18946 transitions. [2018-12-09 15:38:19,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:38:19,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 15:38:19,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:19,500 INFO L225 Difference]: With dead ends: 7837 [2018-12-09 15:38:19,500 INFO L226 Difference]: Without dead ends: 6355 [2018-12-09 15:38:19,500 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 [2018-12-09 15:38:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2018-12-09 15:38:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 5703. [2018-12-09 15:38:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5703 states. [2018-12-09 15:38:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 13364 transitions. [2018-12-09 15:38:19,546 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 13364 transitions. Word has length 66 [2018-12-09 15:38:19,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:19,546 INFO L480 AbstractCegarLoop]: Abstraction has 5703 states and 13364 transitions. [2018-12-09 15:38:19,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 13364 transitions. [2018-12-09 15:38:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 15:38:19,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:19,550 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:19,550 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:19,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:19,550 INFO L82 PathProgramCache]: Analyzing trace with hash 890203314, now seen corresponding path program 1 times [2018-12-09 15:38:19,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:19,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:19,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:19,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:19,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:38:19,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:19,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:38:19,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:38:19,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:38:19,565 INFO L87 Difference]: Start difference. First operand 5703 states and 13364 transitions. Second operand 3 states. [2018-12-09 15:38:19,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:19,601 INFO L93 Difference]: Finished difference Result 7505 states and 17450 transitions. [2018-12-09 15:38:19,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:38:19,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-09 15:38:19,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:19,606 INFO L225 Difference]: With dead ends: 7505 [2018-12-09 15:38:19,606 INFO L226 Difference]: Without dead ends: 7505 [2018-12-09 15:38:19,606 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 [2018-12-09 15:38:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2018-12-09 15:38:19,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 5642. [2018-12-09 15:38:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5642 states. [2018-12-09 15:38:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 12904 transitions. [2018-12-09 15:38:19,656 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 12904 transitions. Word has length 66 [2018-12-09 15:38:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:19,656 INFO L480 AbstractCegarLoop]: Abstraction has 5642 states and 12904 transitions. [2018-12-09 15:38:19,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:38:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 12904 transitions. [2018-12-09 15:38:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 15:38:19,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:19,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:19,660 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:19,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:19,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1181781029, now seen corresponding path program 1 times [2018-12-09 15:38:19,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:19,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:19,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:19,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:19,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:19,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:19,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:19,695 INFO L87 Difference]: Start difference. First operand 5642 states and 12904 transitions. Second operand 5 states. [2018-12-09 15:38:19,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:19,806 INFO L93 Difference]: Finished difference Result 6806 states and 15528 transitions. [2018-12-09 15:38:19,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:38:19,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-09 15:38:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:19,811 INFO L225 Difference]: With dead ends: 6806 [2018-12-09 15:38:19,811 INFO L226 Difference]: Without dead ends: 6806 [2018-12-09 15:38:19,811 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 [2018-12-09 15:38:19,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6806 states. [2018-12-09 15:38:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6806 to 6086. [2018-12-09 15:38:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6086 states. [2018-12-09 15:38:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 13908 transitions. [2018-12-09 15:38:19,859 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 13908 transitions. Word has length 72 [2018-12-09 15:38:19,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:19,859 INFO L480 AbstractCegarLoop]: Abstraction has 6086 states and 13908 transitions. [2018-12-09 15:38:19,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 13908 transitions. [2018-12-09 15:38:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 15:38:19,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:19,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:19,864 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:19,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:19,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1370375932, now seen corresponding path program 1 times [2018-12-09 15:38:19,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:19,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:19,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:19,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:20,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:20,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:38:20,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:20,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:38:20,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:38:20,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:38:20,001 INFO L87 Difference]: Start difference. First operand 6086 states and 13908 transitions. Second operand 9 states. [2018-12-09 15:38:20,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:20,283 INFO L93 Difference]: Finished difference Result 8112 states and 18389 transitions. [2018-12-09 15:38:20,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 15:38:20,284 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-09 15:38:20,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:20,289 INFO L225 Difference]: With dead ends: 8112 [2018-12-09 15:38:20,289 INFO L226 Difference]: Without dead ends: 7993 [2018-12-09 15:38:20,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-09 15:38:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7993 states. [2018-12-09 15:38:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7993 to 6183. [2018-12-09 15:38:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6183 states. [2018-12-09 15:38:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6183 states to 6183 states and 14001 transitions. [2018-12-09 15:38:20,337 INFO L78 Accepts]: Start accepts. Automaton has 6183 states and 14001 transitions. Word has length 72 [2018-12-09 15:38:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:20,337 INFO L480 AbstractCegarLoop]: Abstraction has 6183 states and 14001 transitions. [2018-12-09 15:38:20,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:38:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 6183 states and 14001 transitions. [2018-12-09 15:38:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 15:38:20,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:20,344 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:20,344 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:20,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:20,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1174333635, now seen corresponding path program 1 times [2018-12-09 15:38:20,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:20,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:20,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,345 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:20,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:20,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:20,395 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:20,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:20,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:20,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:20,396 INFO L87 Difference]: Start difference. First operand 6183 states and 14001 transitions. Second operand 4 states. [2018-12-09 15:38:20,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:20,586 INFO L93 Difference]: Finished difference Result 9854 states and 22232 transitions. [2018-12-09 15:38:20,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:38:20,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 15:38:20,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:20,593 INFO L225 Difference]: With dead ends: 9854 [2018-12-09 15:38:20,594 INFO L226 Difference]: Without dead ends: 9854 [2018-12-09 15:38:20,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9854 states. [2018-12-09 15:38:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9854 to 7303. [2018-12-09 15:38:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2018-12-09 15:38:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 16335 transitions. [2018-12-09 15:38:20,658 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 16335 transitions. Word has length 91 [2018-12-09 15:38:20,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:20,658 INFO L480 AbstractCegarLoop]: Abstraction has 7303 states and 16335 transitions. [2018-12-09 15:38:20,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 16335 transitions. [2018-12-09 15:38:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 15:38:20,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:20,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:20,667 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:20,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:20,667 INFO L82 PathProgramCache]: Analyzing trace with hash 39095599, now seen corresponding path program 1 times [2018-12-09 15:38:20,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:20,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:20,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:20,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:20,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:20,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:20,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:20,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:20,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:20,714 INFO L87 Difference]: Start difference. First operand 7303 states and 16335 transitions. Second operand 4 states. [2018-12-09 15:38:20,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:20,777 INFO L93 Difference]: Finished difference Result 7805 states and 17493 transitions. [2018-12-09 15:38:20,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:38:20,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 15:38:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:20,783 INFO L225 Difference]: With dead ends: 7805 [2018-12-09 15:38:20,783 INFO L226 Difference]: Without dead ends: 7805 [2018-12-09 15:38:20,783 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 [2018-12-09 15:38:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7805 states. [2018-12-09 15:38:20,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7805 to 7209. [2018-12-09 15:38:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7209 states. [2018-12-09 15:38:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7209 states to 7209 states and 16230 transitions. [2018-12-09 15:38:20,842 INFO L78 Accepts]: Start accepts. Automaton has 7209 states and 16230 transitions. Word has length 91 [2018-12-09 15:38:20,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:20,842 INFO L480 AbstractCegarLoop]: Abstraction has 7209 states and 16230 transitions. [2018-12-09 15:38:20,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7209 states and 16230 transitions. [2018-12-09 15:38:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:20,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:20,847 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:20,847 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:20,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:20,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1715163703, now seen corresponding path program 1 times [2018-12-09 15:38:20,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:20,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:20,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:20,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:20,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:20,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:38:20,918 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:20,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:38:20,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:38:20,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:38:20,918 INFO L87 Difference]: Start difference. First operand 7209 states and 16230 transitions. Second operand 7 states. [2018-12-09 15:38:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:21,285 INFO L93 Difference]: Finished difference Result 8986 states and 20184 transitions. [2018-12-09 15:38:21,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:21,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 15:38:21,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:21,291 INFO L225 Difference]: With dead ends: 8986 [2018-12-09 15:38:21,291 INFO L226 Difference]: Without dead ends: 8986 [2018-12-09 15:38:21,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:38:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8986 states. [2018-12-09 15:38:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8986 to 7321. [2018-12-09 15:38:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7321 states. [2018-12-09 15:38:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 16550 transitions. [2018-12-09 15:38:21,348 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 16550 transitions. Word has length 93 [2018-12-09 15:38:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:21,348 INFO L480 AbstractCegarLoop]: Abstraction has 7321 states and 16550 transitions. [2018-12-09 15:38:21,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:38:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 16550 transitions. [2018-12-09 15:38:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:21,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:21,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:21,354 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:21,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:21,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1745561198, now seen corresponding path program 1 times [2018-12-09 15:38:21,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:21,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:21,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:21,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:21,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:21,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:21,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:21,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:21,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:21,395 INFO L87 Difference]: Start difference. First operand 7321 states and 16550 transitions. Second operand 5 states. [2018-12-09 15:38:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:21,461 INFO L93 Difference]: Finished difference Result 8130 states and 18286 transitions. [2018-12-09 15:38:21,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:21,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 15:38:21,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:21,466 INFO L225 Difference]: With dead ends: 8130 [2018-12-09 15:38:21,466 INFO L226 Difference]: Without dead ends: 8130 [2018-12-09 15:38:21,466 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 [2018-12-09 15:38:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8130 states. [2018-12-09 15:38:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8130 to 6217. [2018-12-09 15:38:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6217 states. [2018-12-09 15:38:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6217 states to 6217 states and 14069 transitions. [2018-12-09 15:38:21,514 INFO L78 Accepts]: Start accepts. Automaton has 6217 states and 14069 transitions. Word has length 93 [2018-12-09 15:38:21,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:21,514 INFO L480 AbstractCegarLoop]: Abstraction has 6217 states and 14069 transitions. [2018-12-09 15:38:21,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand 6217 states and 14069 transitions. [2018-12-09 15:38:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:21,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:21,519 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:21,519 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:21,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:21,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1490824653, now seen corresponding path program 1 times [2018-12-09 15:38:21,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:21,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:21,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:21,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:21,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:38:21,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:21,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:38:21,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:38:21,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:38:21,557 INFO L87 Difference]: Start difference. First operand 6217 states and 14069 transitions. Second operand 5 states. [2018-12-09 15:38:21,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:21,800 INFO L93 Difference]: Finished difference Result 9852 states and 22424 transitions. [2018-12-09 15:38:21,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:38:21,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 15:38:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:21,806 INFO L225 Difference]: With dead ends: 9852 [2018-12-09 15:38:21,806 INFO L226 Difference]: Without dead ends: 9774 [2018-12-09 15:38:21,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:38:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9774 states. [2018-12-09 15:38:21,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9774 to 7358. [2018-12-09 15:38:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7358 states. [2018-12-09 15:38:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7358 states to 7358 states and 16716 transitions. [2018-12-09 15:38:21,867 INFO L78 Accepts]: Start accepts. Automaton has 7358 states and 16716 transitions. Word has length 93 [2018-12-09 15:38:21,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:21,867 INFO L480 AbstractCegarLoop]: Abstraction has 7358 states and 16716 transitions. [2018-12-09 15:38:21,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:38:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 7358 states and 16716 transitions. [2018-12-09 15:38:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:21,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:21,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:21,872 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:21,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1559378162, now seen corresponding path program 1 times [2018-12-09 15:38:21,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:21,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:21,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:21,874 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:21,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:21,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:21,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:21,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:21,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:21,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:21,912 INFO L87 Difference]: Start difference. First operand 7358 states and 16716 transitions. Second operand 6 states. [2018-12-09 15:38:22,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:22,092 INFO L93 Difference]: Finished difference Result 9349 states and 21078 transitions. [2018-12-09 15:38:22,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 15:38:22,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 15:38:22,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:22,099 INFO L225 Difference]: With dead ends: 9349 [2018-12-09 15:38:22,100 INFO L226 Difference]: Without dead ends: 9270 [2018-12-09 15:38:22,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 15:38:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2018-12-09 15:38:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 6928. [2018-12-09 15:38:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6928 states. [2018-12-09 15:38:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6928 states to 6928 states and 15763 transitions. [2018-12-09 15:38:22,161 INFO L78 Accepts]: Start accepts. Automaton has 6928 states and 15763 transitions. Word has length 93 [2018-12-09 15:38:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:22,161 INFO L480 AbstractCegarLoop]: Abstraction has 6928 states and 15763 transitions. [2018-12-09 15:38:22,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6928 states and 15763 transitions. [2018-12-09 15:38:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:22,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:22,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:22,166 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:22,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1497612213, now seen corresponding path program 1 times [2018-12-09 15:38:22,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:22,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:22,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:22,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:22,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:38:22,244 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:22,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:38:22,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:38:22,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:38:22,245 INFO L87 Difference]: Start difference. First operand 6928 states and 15763 transitions. Second operand 9 states. [2018-12-09 15:38:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:22,598 INFO L93 Difference]: Finished difference Result 9639 states and 21910 transitions. [2018-12-09 15:38:22,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 15:38:22,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-09 15:38:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:22,605 INFO L225 Difference]: With dead ends: 9639 [2018-12-09 15:38:22,605 INFO L226 Difference]: Without dead ends: 9639 [2018-12-09 15:38:22,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-12-09 15:38:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9639 states. [2018-12-09 15:38:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9639 to 8631. [2018-12-09 15:38:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8631 states. [2018-12-09 15:38:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8631 states to 8631 states and 19631 transitions. [2018-12-09 15:38:22,672 INFO L78 Accepts]: Start accepts. Automaton has 8631 states and 19631 transitions. Word has length 93 [2018-12-09 15:38:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:22,673 INFO L480 AbstractCegarLoop]: Abstraction has 8631 states and 19631 transitions. [2018-12-09 15:38:22,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:38:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 8631 states and 19631 transitions. [2018-12-09 15:38:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:22,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:22,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:22,678 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:22,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:22,679 INFO L82 PathProgramCache]: Analyzing trace with hash -989900620, now seen corresponding path program 1 times [2018-12-09 15:38:22,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:22,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:22,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:22,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:22,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:38:22,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:22,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:38:22,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:38:22,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:38:22,708 INFO L87 Difference]: Start difference. First operand 8631 states and 19631 transitions. Second operand 4 states. [2018-12-09 15:38:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:22,772 INFO L93 Difference]: Finished difference Result 8903 states and 20327 transitions. [2018-12-09 15:38:22,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:38:22,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-09 15:38:22,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:22,778 INFO L225 Difference]: With dead ends: 8903 [2018-12-09 15:38:22,778 INFO L226 Difference]: Without dead ends: 8871 [2018-12-09 15:38:22,779 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 [2018-12-09 15:38:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8871 states. [2018-12-09 15:38:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8871 to 8727. [2018-12-09 15:38:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8727 states. [2018-12-09 15:38:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 19887 transitions. [2018-12-09 15:38:22,841 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 19887 transitions. Word has length 93 [2018-12-09 15:38:22,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:22,842 INFO L480 AbstractCegarLoop]: Abstraction has 8727 states and 19887 transitions. [2018-12-09 15:38:22,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:38:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 19887 transitions. [2018-12-09 15:38:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:22,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:22,848 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:22,848 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:22,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:22,848 INFO L82 PathProgramCache]: Analyzing trace with hash -299339146, now seen corresponding path program 1 times [2018-12-09 15:38:22,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:22,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:22,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:22,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:22,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:22,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 15:38:22,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:22,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 15:38:22,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 15:38:22,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:38:22,913 INFO L87 Difference]: Start difference. First operand 8727 states and 19887 transitions. Second operand 8 states. [2018-12-09 15:38:23,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:23,202 INFO L93 Difference]: Finished difference Result 13198 states and 30502 transitions. [2018-12-09 15:38:23,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 15:38:23,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-09 15:38:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:23,211 INFO L225 Difference]: With dead ends: 13198 [2018-12-09 15:38:23,211 INFO L226 Difference]: Without dead ends: 13198 [2018-12-09 15:38:23,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-09 15:38:23,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13198 states. [2018-12-09 15:38:23,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13198 to 9365. [2018-12-09 15:38:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9365 states. [2018-12-09 15:38:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 21554 transitions. [2018-12-09 15:38:23,302 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 21554 transitions. Word has length 93 [2018-12-09 15:38:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:23,302 INFO L480 AbstractCegarLoop]: Abstraction has 9365 states and 21554 transitions. [2018-12-09 15:38:23,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 15:38:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 21554 transitions. [2018-12-09 15:38:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:23,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:23,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:23,309 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:23,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash 588164535, now seen corresponding path program 1 times [2018-12-09 15:38:23,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:23,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:23,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:23,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:23,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:38:23,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:23,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:38:23,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:38:23,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:38:23,383 INFO L87 Difference]: Start difference. First operand 9365 states and 21554 transitions. Second operand 7 states. [2018-12-09 15:38:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:23,480 INFO L93 Difference]: Finished difference Result 12601 states and 29247 transitions. [2018-12-09 15:38:23,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:23,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 15:38:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:23,488 INFO L225 Difference]: With dead ends: 12601 [2018-12-09 15:38:23,488 INFO L226 Difference]: Without dead ends: 12601 [2018-12-09 15:38:23,488 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 [2018-12-09 15:38:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12601 states. [2018-12-09 15:38:23,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12601 to 9333. [2018-12-09 15:38:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9333 states. [2018-12-09 15:38:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9333 states to 9333 states and 21266 transitions. [2018-12-09 15:38:23,569 INFO L78 Accepts]: Start accepts. Automaton has 9333 states and 21266 transitions. Word has length 93 [2018-12-09 15:38:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:23,569 INFO L480 AbstractCegarLoop]: Abstraction has 9333 states and 21266 transitions. [2018-12-09 15:38:23,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:38:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 9333 states and 21266 transitions. [2018-12-09 15:38:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 15:38:23,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:23,576 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:23,576 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:23,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1143811017, now seen corresponding path program 1 times [2018-12-09 15:38:23,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:23,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:23,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:23,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:23,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:23,627 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:23,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:23,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:23,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:23,627 INFO L87 Difference]: Start difference. First operand 9333 states and 21266 transitions. Second operand 6 states. [2018-12-09 15:38:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:23,700 INFO L93 Difference]: Finished difference Result 8965 states and 20090 transitions. [2018-12-09 15:38:23,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:23,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 15:38:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:23,706 INFO L225 Difference]: With dead ends: 8965 [2018-12-09 15:38:23,706 INFO L226 Difference]: Without dead ends: 8965 [2018-12-09 15:38:23,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:38:23,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8965 states. [2018-12-09 15:38:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 5822. [2018-12-09 15:38:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5822 states. [2018-12-09 15:38:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 13049 transitions. [2018-12-09 15:38:23,757 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 13049 transitions. Word has length 93 [2018-12-09 15:38:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:23,758 INFO L480 AbstractCegarLoop]: Abstraction has 5822 states and 13049 transitions. [2018-12-09 15:38:23,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 13049 transitions. [2018-12-09 15:38:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:38:23,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:23,761 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:23,761 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:23,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:23,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2068511189, now seen corresponding path program 1 times [2018-12-09 15:38:23,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:23,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:23,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:23,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:23,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:23,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:38:23,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:23,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:38:23,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:38:23,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:38:23,865 INFO L87 Difference]: Start difference. First operand 5822 states and 13049 transitions. Second operand 9 states. [2018-12-09 15:38:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:24,125 INFO L93 Difference]: Finished difference Result 6967 states and 15489 transitions. [2018-12-09 15:38:24,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 15:38:24,125 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-09 15:38:24,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:24,129 INFO L225 Difference]: With dead ends: 6967 [2018-12-09 15:38:24,129 INFO L226 Difference]: Without dead ends: 6967 [2018-12-09 15:38:24,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-09 15:38:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6967 states. [2018-12-09 15:38:24,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6967 to 6728. [2018-12-09 15:38:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6728 states. [2018-12-09 15:38:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6728 states to 6728 states and 15020 transitions. [2018-12-09 15:38:24,175 INFO L78 Accepts]: Start accepts. Automaton has 6728 states and 15020 transitions. Word has length 95 [2018-12-09 15:38:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:24,175 INFO L480 AbstractCegarLoop]: Abstraction has 6728 states and 15020 transitions. [2018-12-09 15:38:24,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:38:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6728 states and 15020 transitions. [2018-12-09 15:38:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:38:24,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:24,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:24,179 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:24,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:24,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1338952426, now seen corresponding path program 1 times [2018-12-09 15:38:24,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:24,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:24,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:24,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:24,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:24,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:24,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 15:38:24,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:24,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 15:38:24,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 15:38:24,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 15:38:24,297 INFO L87 Difference]: Start difference. First operand 6728 states and 15020 transitions. Second operand 11 states. [2018-12-09 15:38:25,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:25,884 INFO L93 Difference]: Finished difference Result 12989 states and 29182 transitions. [2018-12-09 15:38:25,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 15:38:25,885 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-09 15:38:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:25,898 INFO L225 Difference]: With dead ends: 12989 [2018-12-09 15:38:25,898 INFO L226 Difference]: Without dead ends: 8863 [2018-12-09 15:38:25,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-09 15:38:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8863 states. [2018-12-09 15:38:25,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8863 to 6571. [2018-12-09 15:38:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6571 states. [2018-12-09 15:38:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 14627 transitions. [2018-12-09 15:38:25,963 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 14627 transitions. Word has length 95 [2018-12-09 15:38:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:25,964 INFO L480 AbstractCegarLoop]: Abstraction has 6571 states and 14627 transitions. [2018-12-09 15:38:25,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 15:38:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 14627 transitions. [2018-12-09 15:38:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:38:25,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:25,968 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:25,968 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:25,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:25,969 INFO L82 PathProgramCache]: Analyzing trace with hash -860395469, now seen corresponding path program 1 times [2018-12-09 15:38:25,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:25,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:25,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:25,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:25,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:26,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:26,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:26,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:26,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:26,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:26,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:26,035 INFO L87 Difference]: Start difference. First operand 6571 states and 14627 transitions. Second operand 6 states. [2018-12-09 15:38:26,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:26,144 INFO L93 Difference]: Finished difference Result 7458 states and 16373 transitions. [2018-12-09 15:38:26,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:38:26,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 15:38:26,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:26,149 INFO L225 Difference]: With dead ends: 7458 [2018-12-09 15:38:26,149 INFO L226 Difference]: Without dead ends: 7408 [2018-12-09 15:38:26,150 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 [2018-12-09 15:38:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7408 states. [2018-12-09 15:38:26,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7408 to 6567. [2018-12-09 15:38:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6567 states. [2018-12-09 15:38:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 14473 transitions. [2018-12-09 15:38:26,197 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 14473 transitions. Word has length 95 [2018-12-09 15:38:26,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:26,197 INFO L480 AbstractCegarLoop]: Abstraction has 6567 states and 14473 transitions. [2018-12-09 15:38:26,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 14473 transitions. [2018-12-09 15:38:26,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:38:26,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:26,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:26,202 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:26,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:26,202 INFO L82 PathProgramCache]: Analyzing trace with hash -42258765, now seen corresponding path program 2 times [2018-12-09 15:38:26,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:26,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:26,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:38:26,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:26,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:38:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:38:26,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:38:26,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:38:26,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:38:26,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:38:26,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:38:26,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:38:26,263 INFO L87 Difference]: Start difference. First operand 6567 states and 14473 transitions. Second operand 6 states. [2018-12-09 15:38:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:38:26,359 INFO L93 Difference]: Finished difference Result 6769 states and 14882 transitions. [2018-12-09 15:38:26,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:38:26,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 15:38:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:38:26,364 INFO L225 Difference]: With dead ends: 6769 [2018-12-09 15:38:26,364 INFO L226 Difference]: Without dead ends: 6769 [2018-12-09 15:38:26,364 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 [2018-12-09 15:38:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2018-12-09 15:38:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 6421. [2018-12-09 15:38:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6421 states. [2018-12-09 15:38:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 14156 transitions. [2018-12-09 15:38:26,423 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 14156 transitions. Word has length 95 [2018-12-09 15:38:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:38:26,423 INFO L480 AbstractCegarLoop]: Abstraction has 6421 states and 14156 transitions. [2018-12-09 15:38:26,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:38:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 14156 transitions. [2018-12-09 15:38:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:38:26,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:38:26,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:38:26,428 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:38:26,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:38:26,428 INFO L82 PathProgramCache]: Analyzing trace with hash -530629708, now seen corresponding path program 2 times [2018-12-09 15:38:26,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:38:26,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:26,429 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 15:38:26,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:38:26,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:38:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:38:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:38:26,466 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 15:38:26,542 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 15:38:26,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:38:26 BasicIcfg [2018-12-09 15:38:26,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:38:26,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:38:26,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:38:26,543 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:38:26,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:11" (3/4) ... [2018-12-09 15:38:26,545 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 15:38:26,616 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba6fd643-ad7e-46eb-83c4-aeec83e8870a/bin-2019/utaipan/witness.graphml [2018-12-09 15:38:26,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:38:26,617 INFO L168 Benchmark]: Toolchain (without parser) took 16321.37 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 947.0 MB in the beginning and 874.5 MB in the end (delta: 72.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,617 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.43 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 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. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: RCFGBuilder took 314.15 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: TraceAbstraction took 15515.97 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 902.5 MB in the end (delta: 127.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,618 INFO L168 Benchmark]: Witness Printer took 72.81 ms. Allocated memory is still 2.3 GB. Free memory was 902.5 MB in the beginning and 874.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:38:26,620 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.43 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.48 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 314.15 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15515.97 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 902.5 MB in the end (delta: 127.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 72.81 ms. Allocated memory is still 2.3 GB. Free memory was 902.5 MB in the beginning and 874.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 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_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] -1 pthread_t t2315; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] FCALL, FORK -1 pthread_create(&t2315, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] -1 pthread_t t2316; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L773] FCALL, FORK -1 pthread_create(&t2316, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 __unbuffered_p1_EAX = x [L732] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L733] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L734] 1 y$flush_delayed = weak$$choice2 [L735] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L737] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L737] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L738] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L739] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L740] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L741] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L742] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L743] 1 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$flush_delayed ? y$mem_tmp : y [L745] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L780] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L781] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L786] -1 main$tmp_guard1 = !(__unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 15.4s OverallTime, 32 OverallIterations, 1 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7911 SDtfs, 8957 SDslu, 19078 SDs, 0 SdLazy, 8002 SolverSat, 424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 83 SyntacticMatches, 31 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34806occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 31 MinimizatonAttempts, 73986 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2440 NumberOfCodeBlocks, 2440 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2314 ConstructedInterpolants, 0 QuantifiedInterpolants, 511587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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...