./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009_tso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/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 8fe5e58ec9f352bfe46fb7ebe65bde5cd00b1134 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:12:30,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:12:30,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:12:30,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:12:30,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:12:30,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:12:30,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:12:30,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:12:30,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:12:30,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:12:30,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:12:30,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:12:30,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:12:30,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:12:30,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:12:30,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:12:30,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:12:30,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:12:30,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:12:30,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:12:30,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:12:30,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:12:30,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:12:30,672 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:12:30,672 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:12:30,673 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:12:30,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:12:30,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:12:30,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:12:30,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:12:30,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:12:30,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:12:30,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:12:30,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:12:30,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:12:30,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:12:30,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:12:30,684 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:12:30,684 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:12:30,685 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:12:30,685 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:12:30,685 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:12:30,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:12:30,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:12:30,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:12:30,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:12:30,687 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:12:30,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:12:30,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:12:30,688 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:12:30,688 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_245c7dc8-3e6c-4910-933e-55fa098598b7/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 -> 8fe5e58ec9f352bfe46fb7ebe65bde5cd00b1134 [2018-12-09 19:12:30,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:12:30,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:12:30,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:12:30,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:12:30,715 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:12:30,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix009_tso.opt_false-unreach-call.i [2018-12-09 19:12:30,749 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/data/42f7fb027/ca6128eb4d8b4a34ba5624ca65429d2a/FLAG6de9c056c [2018-12-09 19:12:31,201 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:12:31,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/sv-benchmarks/c/pthread-wmm/mix009_tso.opt_false-unreach-call.i [2018-12-09 19:12:31,210 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/data/42f7fb027/ca6128eb4d8b4a34ba5624ca65429d2a/FLAG6de9c056c [2018-12-09 19:12:31,218 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/data/42f7fb027/ca6128eb4d8b4a34ba5624ca65429d2a [2018-12-09 19:12:31,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:12:31,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:12:31,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:31,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:12:31,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:12:31,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31, skipping insertion in model container [2018-12-09 19:12:31,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:12:31,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:12:31,445 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:31,453 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:12:31,534 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:31,566 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:12:31,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31 WrapperNode [2018-12-09 19:12:31,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:31,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:31,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:12:31,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:12:31,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:31,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:12:31,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:12:31,600 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:12:31,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... [2018-12-09 19:12:31,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:12:31,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:12:31,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:12:31,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:12:31,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/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 19:12:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:12:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:12:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 19:12:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:12:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 19:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 19:12:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 19:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 19:12:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 19:12:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:12:31,654 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 19:12:32,005 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:12:32,005 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 19:12:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:32 BoogieIcfgContainer [2018-12-09 19:12:32,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:12:32,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:12:32,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:12:32,009 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:12:32,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:12:31" (1/3) ... [2018-12-09 19:12:32,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaef696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:32, skipping insertion in model container [2018-12-09 19:12:32,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:31" (2/3) ... [2018-12-09 19:12:32,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaef696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:32, skipping insertion in model container [2018-12-09 19:12:32,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:32" (3/3) ... [2018-12-09 19:12:32,012 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009_tso.opt_false-unreach-call.i [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,042 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,050 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,050 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,050 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,050 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,050 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,059 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,060 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,061 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,062 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,063 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,064 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,065 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,066 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,067 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,068 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,069 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,070 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,071 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,071 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,071 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,071 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,071 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,072 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,074 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,075 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,076 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:12:32,081 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 19:12:32,081 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:12:32,087 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 19:12:32,095 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 19:12:32,110 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:12:32,110 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:12:32,110 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:12:32,110 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:12:32,110 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:12:32,110 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:12:32,110 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:12:32,110 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:12:32,117 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175places, 228 transitions [2018-12-09 19:12:37,474 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 83129 states. [2018-12-09 19:12:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 83129 states. [2018-12-09 19:12:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:12:37,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:37,483 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] [2018-12-09 19:12:37,485 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:37,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:37,490 INFO L82 PathProgramCache]: Analyzing trace with hash 459405505, now seen corresponding path program 1 times [2018-12-09 19:12:37,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:37,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:37,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:37,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:37,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:37,651 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 19:12:37,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:37,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:37,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:37,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:37,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:37,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:37,666 INFO L87 Difference]: Start difference. First operand 83129 states. Second operand 4 states. [2018-12-09 19:12:38,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:38,448 INFO L93 Difference]: Finished difference Result 150585 states and 603162 transitions. [2018-12-09 19:12:38,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:12:38,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-12-09 19:12:38,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:38,799 INFO L225 Difference]: With dead ends: 150585 [2018-12-09 19:12:38,799 INFO L226 Difference]: Without dead ends: 105841 [2018-12-09 19:12:38,800 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 19:12:39,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105841 states. [2018-12-09 19:12:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105841 to 61237. [2018-12-09 19:12:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61237 states. [2018-12-09 19:12:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61237 states to 61237 states and 248292 transitions. [2018-12-09 19:12:41,048 INFO L78 Accepts]: Start accepts. Automaton has 61237 states and 248292 transitions. Word has length 40 [2018-12-09 19:12:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:41,049 INFO L480 AbstractCegarLoop]: Abstraction has 61237 states and 248292 transitions. [2018-12-09 19:12:41,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 61237 states and 248292 transitions. [2018-12-09 19:12:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:12:41,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:41,054 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 19:12:41,054 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:41,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:41,055 INFO L82 PathProgramCache]: Analyzing trace with hash -465402434, now seen corresponding path program 1 times [2018-12-09 19:12:41,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:41,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:41,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:41,099 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 19:12:41,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:41,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:41,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:41,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:41,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:41,101 INFO L87 Difference]: Start difference. First operand 61237 states and 248292 transitions. Second operand 4 states. [2018-12-09 19:12:41,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:41,190 INFO L93 Difference]: Finished difference Result 14311 states and 48365 transitions. [2018-12-09 19:12:41,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:41,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-12-09 19:12:41,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:41,208 INFO L225 Difference]: With dead ends: 14311 [2018-12-09 19:12:41,208 INFO L226 Difference]: Without dead ends: 11491 [2018-12-09 19:12:41,209 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 19:12:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2018-12-09 19:12:41,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11491. [2018-12-09 19:12:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11491 states. [2018-12-09 19:12:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11491 states to 11491 states and 37856 transitions. [2018-12-09 19:12:41,338 INFO L78 Accepts]: Start accepts. Automaton has 11491 states and 37856 transitions. Word has length 48 [2018-12-09 19:12:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:41,339 INFO L480 AbstractCegarLoop]: Abstraction has 11491 states and 37856 transitions. [2018-12-09 19:12:41,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11491 states and 37856 transitions. [2018-12-09 19:12:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:12:41,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:41,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:41,340 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:41,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:41,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1761930056, now seen corresponding path program 1 times [2018-12-09 19:12:41,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:41,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:41,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:41,390 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 19:12:41,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:41,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:41,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:41,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:41,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:41,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:41,391 INFO L87 Difference]: Start difference. First operand 11491 states and 37856 transitions. Second operand 5 states. [2018-12-09 19:12:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:41,767 INFO L93 Difference]: Finished difference Result 23361 states and 75857 transitions. [2018-12-09 19:12:41,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:12:41,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-12-09 19:12:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:41,794 INFO L225 Difference]: With dead ends: 23361 [2018-12-09 19:12:41,794 INFO L226 Difference]: Without dead ends: 23286 [2018-12-09 19:12:41,795 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 19:12:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23286 states. [2018-12-09 19:12:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23286 to 15418. [2018-12-09 19:12:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15418 states. [2018-12-09 19:12:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15418 states to 15418 states and 49311 transitions. [2018-12-09 19:12:42,000 INFO L78 Accepts]: Start accepts. Automaton has 15418 states and 49311 transitions. Word has length 49 [2018-12-09 19:12:42,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:42,001 INFO L480 AbstractCegarLoop]: Abstraction has 15418 states and 49311 transitions. [2018-12-09 19:12:42,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 15418 states and 49311 transitions. [2018-12-09 19:12:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:12:42,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:42,003 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] [2018-12-09 19:12:42,003 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:42,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:42,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1880248814, now seen corresponding path program 1 times [2018-12-09 19:12:42,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:42,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:42,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:42,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:42,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:42,026 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 19:12:42,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:42,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:12:42,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:42,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:12:42,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:12:42,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:42,027 INFO L87 Difference]: Start difference. First operand 15418 states and 49311 transitions. Second operand 3 states. [2018-12-09 19:12:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:42,154 INFO L93 Difference]: Finished difference Result 28678 states and 90549 transitions. [2018-12-09 19:12:42,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:12:42,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-12-09 19:12:42,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:42,188 INFO L225 Difference]: With dead ends: 28678 [2018-12-09 19:12:42,188 INFO L226 Difference]: Without dead ends: 28674 [2018-12-09 19:12:42,189 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 19:12:42,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28674 states. [2018-12-09 19:12:42,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28674 to 24153. [2018-12-09 19:12:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24153 states. [2018-12-09 19:12:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24153 states to 24153 states and 76317 transitions. [2018-12-09 19:12:42,467 INFO L78 Accepts]: Start accepts. Automaton has 24153 states and 76317 transitions. Word has length 51 [2018-12-09 19:12:42,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:42,468 INFO L480 AbstractCegarLoop]: Abstraction has 24153 states and 76317 transitions. [2018-12-09 19:12:42,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:12:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24153 states and 76317 transitions. [2018-12-09 19:12:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:12:42,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:42,470 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:42,470 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:42,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:42,470 INFO L82 PathProgramCache]: Analyzing trace with hash 832863033, now seen corresponding path program 1 times [2018-12-09 19:12:42,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:42,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:42,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:42,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:42,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:42,512 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 19:12:42,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:42,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:12:42,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:42,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:12:42,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:12:42,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:12:42,513 INFO L87 Difference]: Start difference. First operand 24153 states and 76317 transitions. Second operand 6 states. [2018-12-09 19:12:42,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:42,930 INFO L93 Difference]: Finished difference Result 33839 states and 105315 transitions. [2018-12-09 19:12:42,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:12:42,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-09 19:12:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:42,970 INFO L225 Difference]: With dead ends: 33839 [2018-12-09 19:12:42,970 INFO L226 Difference]: Without dead ends: 33742 [2018-12-09 19:12:42,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:12:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33742 states. [2018-12-09 19:12:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33742 to 23974. [2018-12-09 19:12:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23974 states. [2018-12-09 19:12:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23974 states to 23974 states and 75823 transitions. [2018-12-09 19:12:43,285 INFO L78 Accepts]: Start accepts. Automaton has 23974 states and 75823 transitions. Word has length 55 [2018-12-09 19:12:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:43,285 INFO L480 AbstractCegarLoop]: Abstraction has 23974 states and 75823 transitions. [2018-12-09 19:12:43,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:12:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 23974 states and 75823 transitions. [2018-12-09 19:12:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:12:43,295 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:43,296 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] [2018-12-09 19:12:43,296 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:43,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash 974144113, now seen corresponding path program 1 times [2018-12-09 19:12:43,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:43,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:43,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:43,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:43,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:43,353 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 19:12:43,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:43,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:43,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:43,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:43,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:43,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:43,354 INFO L87 Difference]: Start difference. First operand 23974 states and 75823 transitions. Second operand 4 states. [2018-12-09 19:12:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:43,617 INFO L93 Difference]: Finished difference Result 30738 states and 97933 transitions. [2018-12-09 19:12:43,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:43,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-12-09 19:12:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:43,653 INFO L225 Difference]: With dead ends: 30738 [2018-12-09 19:12:43,653 INFO L226 Difference]: Without dead ends: 30738 [2018-12-09 19:12:43,653 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 19:12:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30738 states. [2018-12-09 19:12:43,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30738 to 27610. [2018-12-09 19:12:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27610 states. [2018-12-09 19:12:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27610 states to 27610 states and 87451 transitions. [2018-12-09 19:12:43,959 INFO L78 Accepts]: Start accepts. Automaton has 27610 states and 87451 transitions. Word has length 65 [2018-12-09 19:12:43,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:43,959 INFO L480 AbstractCegarLoop]: Abstraction has 27610 states and 87451 transitions. [2018-12-09 19:12:43,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:43,959 INFO L276 IsEmpty]: Start isEmpty. Operand 27610 states and 87451 transitions. [2018-12-09 19:12:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:12:43,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:43,965 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] [2018-12-09 19:12:43,965 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:43,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:43,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1578012848, now seen corresponding path program 1 times [2018-12-09 19:12:43,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:43,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:43,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:43,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:43,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:43,996 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 19:12:43,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:43,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:43,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:43,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:43,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:43,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:43,997 INFO L87 Difference]: Start difference. First operand 27610 states and 87451 transitions. Second operand 5 states. [2018-12-09 19:12:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:44,033 INFO L93 Difference]: Finished difference Result 10334 states and 27418 transitions. [2018-12-09 19:12:44,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:12:44,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-09 19:12:44,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:44,041 INFO L225 Difference]: With dead ends: 10334 [2018-12-09 19:12:44,041 INFO L226 Difference]: Without dead ends: 8706 [2018-12-09 19:12:44,041 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 19:12:44,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8706 states. [2018-12-09 19:12:44,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8706 to 7459. [2018-12-09 19:12:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7459 states. [2018-12-09 19:12:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7459 states to 7459 states and 19347 transitions. [2018-12-09 19:12:44,112 INFO L78 Accepts]: Start accepts. Automaton has 7459 states and 19347 transitions. Word has length 65 [2018-12-09 19:12:44,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:44,112 INFO L480 AbstractCegarLoop]: Abstraction has 7459 states and 19347 transitions. [2018-12-09 19:12:44,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 7459 states and 19347 transitions. [2018-12-09 19:12:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:12:44,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:44,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:44,119 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:44,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:44,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1002193287, now seen corresponding path program 1 times [2018-12-09 19:12:44,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:44,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:44,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:44,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:44,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:44,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:44,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:44,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:44,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:44,161 INFO L87 Difference]: Start difference. First operand 7459 states and 19347 transitions. Second operand 4 states. [2018-12-09 19:12:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:44,387 INFO L93 Difference]: Finished difference Result 14929 states and 36703 transitions. [2018-12-09 19:12:44,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:44,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-12-09 19:12:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:44,400 INFO L225 Difference]: With dead ends: 14929 [2018-12-09 19:12:44,400 INFO L226 Difference]: Without dead ends: 14929 [2018-12-09 19:12:44,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:44,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14929 states. [2018-12-09 19:12:44,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14929 to 11547. [2018-12-09 19:12:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11547 states. [2018-12-09 19:12:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11547 states to 11547 states and 29056 transitions. [2018-12-09 19:12:44,513 INFO L78 Accepts]: Start accepts. Automaton has 11547 states and 29056 transitions. Word has length 100 [2018-12-09 19:12:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:44,513 INFO L480 AbstractCegarLoop]: Abstraction has 11547 states and 29056 transitions. [2018-12-09 19:12:44,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 11547 states and 29056 transitions. [2018-12-09 19:12:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:12:44,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:44,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:44,523 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:44,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:44,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1331959048, now seen corresponding path program 1 times [2018-12-09 19:12:44,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:44,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:44,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:44,554 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 19:12:44,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:44,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:44,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:44,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:44,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:44,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:44,555 INFO L87 Difference]: Start difference. First operand 11547 states and 29056 transitions. Second operand 4 states. [2018-12-09 19:12:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:44,681 INFO L93 Difference]: Finished difference Result 11851 states and 29864 transitions. [2018-12-09 19:12:44,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:44,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-12-09 19:12:44,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:44,691 INFO L225 Difference]: With dead ends: 11851 [2018-12-09 19:12:44,691 INFO L226 Difference]: Without dead ends: 11851 [2018-12-09 19:12:44,692 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 19:12:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11851 states. [2018-12-09 19:12:44,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11851 to 11643. [2018-12-09 19:12:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11643 states. [2018-12-09 19:12:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11643 states to 11643 states and 29328 transitions. [2018-12-09 19:12:44,787 INFO L78 Accepts]: Start accepts. Automaton has 11643 states and 29328 transitions. Word has length 100 [2018-12-09 19:12:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:44,787 INFO L480 AbstractCegarLoop]: Abstraction has 11643 states and 29328 transitions. [2018-12-09 19:12:44,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 11643 states and 29328 transitions. [2018-12-09 19:12:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:12:44,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:44,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:44,796 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:44,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:44,797 INFO L82 PathProgramCache]: Analyzing trace with hash -475495415, now seen corresponding path program 1 times [2018-12-09 19:12:44,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:44,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:44,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:44,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:44,872 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 19:12:44,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:44,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:12:44,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:44,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:12:44,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:12:44,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:12:44,873 INFO L87 Difference]: Start difference. First operand 11643 states and 29328 transitions. Second operand 7 states. [2018-12-09 19:12:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:45,242 INFO L93 Difference]: Finished difference Result 16074 states and 39733 transitions. [2018-12-09 19:12:45,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:12:45,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-12-09 19:12:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:45,255 INFO L225 Difference]: With dead ends: 16074 [2018-12-09 19:12:45,256 INFO L226 Difference]: Without dead ends: 16074 [2018-12-09 19:12:45,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:12:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16074 states. [2018-12-09 19:12:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16074 to 13506. [2018-12-09 19:12:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13506 states. [2018-12-09 19:12:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 33955 transitions. [2018-12-09 19:12:45,467 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 33955 transitions. Word has length 100 [2018-12-09 19:12:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:45,468 INFO L480 AbstractCegarLoop]: Abstraction has 13506 states and 33955 transitions. [2018-12-09 19:12:45,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:12:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 33955 transitions. [2018-12-09 19:12:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:12:45,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:45,478 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:45,478 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:45,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:45,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1249985482, now seen corresponding path program 1 times [2018-12-09 19:12:45,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:45,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:45,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:45,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:45,479 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:45,519 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 19:12:45,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:45,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:45,519 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:45,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:45,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:45,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:45,519 INFO L87 Difference]: Start difference. First operand 13506 states and 33955 transitions. Second operand 5 states. [2018-12-09 19:12:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:45,753 INFO L93 Difference]: Finished difference Result 18063 states and 44112 transitions. [2018-12-09 19:12:45,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:12:45,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-12-09 19:12:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:45,767 INFO L225 Difference]: With dead ends: 18063 [2018-12-09 19:12:45,767 INFO L226 Difference]: Without dead ends: 18063 [2018-12-09 19:12:45,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 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 19:12:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18063 states. [2018-12-09 19:12:45,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18063 to 15125. [2018-12-09 19:12:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15125 states. [2018-12-09 19:12:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15125 states to 15125 states and 37602 transitions. [2018-12-09 19:12:45,907 INFO L78 Accepts]: Start accepts. Automaton has 15125 states and 37602 transitions. Word has length 100 [2018-12-09 19:12:45,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:45,908 INFO L480 AbstractCegarLoop]: Abstraction has 15125 states and 37602 transitions. [2018-12-09 19:12:45,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 15125 states and 37602 transitions. [2018-12-09 19:12:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:12:45,920 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:45,920 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:45,921 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:45,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:45,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1503291686, now seen corresponding path program 2 times [2018-12-09 19:12:45,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:45,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:45,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:45,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:45,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:46,022 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 19:12:46,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:46,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:12:46,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:46,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:12:46,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:12:46,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:12:46,023 INFO L87 Difference]: Start difference. First operand 15125 states and 37602 transitions. Second operand 6 states. [2018-12-09 19:12:46,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:46,144 INFO L93 Difference]: Finished difference Result 15045 states and 37258 transitions. [2018-12-09 19:12:46,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:12:46,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-12-09 19:12:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:46,155 INFO L225 Difference]: With dead ends: 15045 [2018-12-09 19:12:46,155 INFO L226 Difference]: Without dead ends: 15045 [2018-12-09 19:12:46,155 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 19:12:46,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2018-12-09 19:12:46,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 13753. [2018-12-09 19:12:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13753 states. [2018-12-09 19:12:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13753 states to 13753 states and 34312 transitions. [2018-12-09 19:12:46,277 INFO L78 Accepts]: Start accepts. Automaton has 13753 states and 34312 transitions. Word has length 100 [2018-12-09 19:12:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:46,278 INFO L480 AbstractCegarLoop]: Abstraction has 13753 states and 34312 transitions. [2018-12-09 19:12:46,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:12:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13753 states and 34312 transitions. [2018-12-09 19:12:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:46,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:46,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:46,288 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:46,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2002150678, now seen corresponding path program 1 times [2018-12-09 19:12:46,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:46,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:46,289 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:12:46,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:46,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:46,382 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 19:12:46,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:46,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:12:46,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:46,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:12:46,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:12:46,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:12:46,383 INFO L87 Difference]: Start difference. First operand 13753 states and 34312 transitions. Second operand 8 states. [2018-12-09 19:12:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:46,685 INFO L93 Difference]: Finished difference Result 15795 states and 38746 transitions. [2018-12-09 19:12:46,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 19:12:46,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-12-09 19:12:46,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:46,697 INFO L225 Difference]: With dead ends: 15795 [2018-12-09 19:12:46,697 INFO L226 Difference]: Without dead ends: 15795 [2018-12-09 19:12:46,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-12-09 19:12:46,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15795 states. [2018-12-09 19:12:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15795 to 14771. [2018-12-09 19:12:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14771 states. [2018-12-09 19:12:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14771 states to 14771 states and 36565 transitions. [2018-12-09 19:12:46,824 INFO L78 Accepts]: Start accepts. Automaton has 14771 states and 36565 transitions. Word has length 102 [2018-12-09 19:12:46,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:46,825 INFO L480 AbstractCegarLoop]: Abstraction has 14771 states and 36565 transitions. [2018-12-09 19:12:46,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:12:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14771 states and 36565 transitions. [2018-12-09 19:12:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:46,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:46,836 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:46,836 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:46,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:46,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1405312937, now seen corresponding path program 1 times [2018-12-09 19:12:46,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:46,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:46,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:46,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:46,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:46,868 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 19:12:46,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:46,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:12:46,869 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:46,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:12:46,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:12:46,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:46,870 INFO L87 Difference]: Start difference. First operand 14771 states and 36565 transitions. Second operand 3 states. [2018-12-09 19:12:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:46,915 INFO L93 Difference]: Finished difference Result 19038 states and 47103 transitions. [2018-12-09 19:12:46,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:12:46,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-09 19:12:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:46,929 INFO L225 Difference]: With dead ends: 19038 [2018-12-09 19:12:46,929 INFO L226 Difference]: Without dead ends: 19038 [2018-12-09 19:12:46,929 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 19:12:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19038 states. [2018-12-09 19:12:47,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19038 to 18955. [2018-12-09 19:12:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18955 states. [2018-12-09 19:12:47,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18955 states to 18955 states and 46924 transitions. [2018-12-09 19:12:47,085 INFO L78 Accepts]: Start accepts. Automaton has 18955 states and 46924 transitions. Word has length 102 [2018-12-09 19:12:47,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:47,085 INFO L480 AbstractCegarLoop]: Abstraction has 18955 states and 46924 transitions. [2018-12-09 19:12:47,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:12:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18955 states and 46924 transitions. [2018-12-09 19:12:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:47,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:47,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:47,100 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:47,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1193962024, now seen corresponding path program 1 times [2018-12-09 19:12:47,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:47,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:47,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:47,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:47,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:47,157 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 19:12:47,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:47,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:12:47,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:47,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:12:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:12:47,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:12:47,158 INFO L87 Difference]: Start difference. First operand 18955 states and 46924 transitions. Second operand 4 states. [2018-12-09 19:12:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:47,321 INFO L93 Difference]: Finished difference Result 19455 states and 47839 transitions. [2018-12-09 19:12:47,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:12:47,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-09 19:12:47,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:47,336 INFO L225 Difference]: With dead ends: 19455 [2018-12-09 19:12:47,336 INFO L226 Difference]: Without dead ends: 19455 [2018-12-09 19:12:47,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 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 19:12:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19455 states. [2018-12-09 19:12:47,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19455 to 19132. [2018-12-09 19:12:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19132 states. [2018-12-09 19:12:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19132 states to 19132 states and 47144 transitions. [2018-12-09 19:12:47,495 INFO L78 Accepts]: Start accepts. Automaton has 19132 states and 47144 transitions. Word has length 102 [2018-12-09 19:12:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:47,496 INFO L480 AbstractCegarLoop]: Abstraction has 19132 states and 47144 transitions. [2018-12-09 19:12:47,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:12:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 19132 states and 47144 transitions. [2018-12-09 19:12:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:47,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:47,514 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:47,514 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:47,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:47,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1478572905, now seen corresponding path program 2 times [2018-12-09 19:12:47,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:47,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:47,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:47,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:47,516 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:47,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:47,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:47,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:47,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:47,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:47,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:47,577 INFO L87 Difference]: Start difference. First operand 19132 states and 47144 transitions. Second operand 5 states. [2018-12-09 19:12:47,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:47,805 INFO L93 Difference]: Finished difference Result 19768 states and 48491 transitions. [2018-12-09 19:12:47,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:12:47,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-12-09 19:12:47,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:47,823 INFO L225 Difference]: With dead ends: 19768 [2018-12-09 19:12:47,823 INFO L226 Difference]: Without dead ends: 19768 [2018-12-09 19:12:47,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:12:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19768 states. [2018-12-09 19:12:48,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19768 to 19132. [2018-12-09 19:12:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19132 states. [2018-12-09 19:12:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19132 states to 19132 states and 47136 transitions. [2018-12-09 19:12:48,026 INFO L78 Accepts]: Start accepts. Automaton has 19132 states and 47136 transitions. Word has length 102 [2018-12-09 19:12:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:48,026 INFO L480 AbstractCegarLoop]: Abstraction has 19132 states and 47136 transitions. [2018-12-09 19:12:48,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 19132 states and 47136 transitions. [2018-12-09 19:12:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:48,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:48,037 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:48,037 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:48,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:48,038 INFO L82 PathProgramCache]: Analyzing trace with hash 405390625, now seen corresponding path program 3 times [2018-12-09 19:12:48,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:48,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:48,038 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:12:48,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:48,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:48,081 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 19:12:48,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:48,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:12:48,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:48,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:12:48,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:12:48,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:12:48,082 INFO L87 Difference]: Start difference. First operand 19132 states and 47136 transitions. Second operand 6 states. [2018-12-09 19:12:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:48,386 INFO L93 Difference]: Finished difference Result 22653 states and 55732 transitions. [2018-12-09 19:12:48,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:12:48,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-12-09 19:12:48,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:48,403 INFO L225 Difference]: With dead ends: 22653 [2018-12-09 19:12:48,403 INFO L226 Difference]: Without dead ends: 22653 [2018-12-09 19:12:48,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:12:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22653 states. [2018-12-09 19:12:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22653 to 19426. [2018-12-09 19:12:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19426 states. [2018-12-09 19:12:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19426 states to 19426 states and 47863 transitions. [2018-12-09 19:12:48,571 INFO L78 Accepts]: Start accepts. Automaton has 19426 states and 47863 transitions. Word has length 102 [2018-12-09 19:12:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:48,571 INFO L480 AbstractCegarLoop]: Abstraction has 19426 states and 47863 transitions. [2018-12-09 19:12:48,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:12:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19426 states and 47863 transitions. [2018-12-09 19:12:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:12:48,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:48,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:48,584 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:48,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2066029025, now seen corresponding path program 4 times [2018-12-09 19:12:48,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:48,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:48,585 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:12:48,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:48,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:48,619 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 19:12:48,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:48,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:48,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:48,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:48,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:48,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:48,621 INFO L87 Difference]: Start difference. First operand 19426 states and 47863 transitions. Second operand 5 states. [2018-12-09 19:12:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:48,823 INFO L93 Difference]: Finished difference Result 21059 states and 51384 transitions. [2018-12-09 19:12:48,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:12:48,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-12-09 19:12:48,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:48,840 INFO L225 Difference]: With dead ends: 21059 [2018-12-09 19:12:48,840 INFO L226 Difference]: Without dead ends: 21059 [2018-12-09 19:12:48,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:12:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21059 states. [2018-12-09 19:12:48,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21059 to 20069. [2018-12-09 19:12:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20069 states. [2018-12-09 19:12:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20069 states to 20069 states and 49247 transitions. [2018-12-09 19:12:49,007 INFO L78 Accepts]: Start accepts. Automaton has 20069 states and 49247 transitions. Word has length 102 [2018-12-09 19:12:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:49,007 INFO L480 AbstractCegarLoop]: Abstraction has 20069 states and 49247 transitions. [2018-12-09 19:12:49,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 20069 states and 49247 transitions. [2018-12-09 19:12:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:12:49,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:49,021 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:49,021 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:49,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:49,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1644889549, now seen corresponding path program 1 times [2018-12-09 19:12:49,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:49,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:49,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:49,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:49,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:49,091 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 19:12:49,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:49,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:12:49,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:49,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:12:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:12:49,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:12:49,092 INFO L87 Difference]: Start difference. First operand 20069 states and 49247 transitions. Second operand 8 states. [2018-12-09 19:12:49,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:49,407 INFO L93 Difference]: Finished difference Result 21820 states and 53337 transitions. [2018-12-09 19:12:49,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:12:49,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-09 19:12:49,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:49,411 INFO L225 Difference]: With dead ends: 21820 [2018-12-09 19:12:49,411 INFO L226 Difference]: Without dead ends: 4847 [2018-12-09 19:12:49,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:12:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2018-12-09 19:12:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4845. [2018-12-09 19:12:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4845 states. [2018-12-09 19:12:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4845 states and 12020 transitions. [2018-12-09 19:12:49,446 INFO L78 Accepts]: Start accepts. Automaton has 4845 states and 12020 transitions. Word has length 104 [2018-12-09 19:12:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:49,447 INFO L480 AbstractCegarLoop]: Abstraction has 4845 states and 12020 transitions. [2018-12-09 19:12:49,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:12:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4845 states and 12020 transitions. [2018-12-09 19:12:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:12:49,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:49,450 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:49,450 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:49,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:49,450 INFO L82 PathProgramCache]: Analyzing trace with hash 265549278, now seen corresponding path program 1 times [2018-12-09 19:12:49,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:49,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:49,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:49,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:49,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:49,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:49,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 19:12:49,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:49,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 19:12:49,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 19:12:49,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:12:49,577 INFO L87 Difference]: Start difference. First operand 4845 states and 12020 transitions. Second operand 13 states. [2018-12-09 19:12:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:50,038 INFO L93 Difference]: Finished difference Result 7912 states and 19287 transitions. [2018-12-09 19:12:50,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:12:50,039 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2018-12-09 19:12:50,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:50,043 INFO L225 Difference]: With dead ends: 7912 [2018-12-09 19:12:50,043 INFO L226 Difference]: Without dead ends: 5829 [2018-12-09 19:12:50,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-12-09 19:12:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2018-12-09 19:12:50,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 4945. [2018-12-09 19:12:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4945 states. [2018-12-09 19:12:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4945 states and 12200 transitions. [2018-12-09 19:12:50,078 INFO L78 Accepts]: Start accepts. Automaton has 4945 states and 12200 transitions. Word has length 104 [2018-12-09 19:12:50,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:50,079 INFO L480 AbstractCegarLoop]: Abstraction has 4945 states and 12200 transitions. [2018-12-09 19:12:50,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 19:12:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4945 states and 12200 transitions. [2018-12-09 19:12:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:12:50,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:50,082 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:50,082 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:50,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash 248602942, now seen corresponding path program 2 times [2018-12-09 19:12:50,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:50,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:50,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:50,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:50,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:50,218 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 19:12:50,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:50,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-09 19:12:50,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:50,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 19:12:50,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 19:12:50,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:12:50,219 INFO L87 Difference]: Start difference. First operand 4945 states and 12200 transitions. Second operand 14 states. [2018-12-09 19:12:50,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:50,635 INFO L93 Difference]: Finished difference Result 9535 states and 23742 transitions. [2018-12-09 19:12:50,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:12:50,635 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 104 [2018-12-09 19:12:50,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:50,640 INFO L225 Difference]: With dead ends: 9535 [2018-12-09 19:12:50,640 INFO L226 Difference]: Without dead ends: 5903 [2018-12-09 19:12:50,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2018-12-09 19:12:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2018-12-09 19:12:50,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 5855. [2018-12-09 19:12:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5855 states. [2018-12-09 19:12:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5855 states to 5855 states and 14554 transitions. [2018-12-09 19:12:50,682 INFO L78 Accepts]: Start accepts. Automaton has 5855 states and 14554 transitions. Word has length 104 [2018-12-09 19:12:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:50,682 INFO L480 AbstractCegarLoop]: Abstraction has 5855 states and 14554 transitions. [2018-12-09 19:12:50,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 19:12:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 14554 transitions. [2018-12-09 19:12:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:12:50,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:50,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:50,686 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:50,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:50,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1469195098, now seen corresponding path program 3 times [2018-12-09 19:12:50,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:50,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:50,687 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:12:50,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:50,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:50,792 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 19:12:50,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:50,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 19:12:50,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:50,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 19:12:50,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 19:12:50,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:12:50,793 INFO L87 Difference]: Start difference. First operand 5855 states and 14554 transitions. Second operand 13 states. [2018-12-09 19:12:51,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:51,245 INFO L93 Difference]: Finished difference Result 9184 states and 22414 transitions. [2018-12-09 19:12:51,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:12:51,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2018-12-09 19:12:51,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:51,251 INFO L225 Difference]: With dead ends: 9184 [2018-12-09 19:12:51,252 INFO L226 Difference]: Without dead ends: 8253 [2018-12-09 19:12:51,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-12-09 19:12:51,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2018-12-09 19:12:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 5875. [2018-12-09 19:12:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5875 states. [2018-12-09 19:12:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 5875 states and 14603 transitions. [2018-12-09 19:12:51,309 INFO L78 Accepts]: Start accepts. Automaton has 5875 states and 14603 transitions. Word has length 104 [2018-12-09 19:12:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:51,309 INFO L480 AbstractCegarLoop]: Abstraction has 5875 states and 14603 transitions. [2018-12-09 19:12:51,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 19:12:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 14603 transitions. [2018-12-09 19:12:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:12:51,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:51,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:12:51,314 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:12:51,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:51,314 INFO L82 PathProgramCache]: Analyzing trace with hash -720978081, now seen corresponding path program 1 times [2018-12-09 19:12:51,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:51,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:51,315 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:12:51,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:51,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:51,353 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:12:51,426 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 19:12:51,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:12:51 BasicIcfg [2018-12-09 19:12:51,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:12:51,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:12:51,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:12:51,427 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:12:51,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:32" (3/4) ... [2018-12-09 19:12:51,430 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 19:12:51,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_245c7dc8-3e6c-4910-933e-55fa098598b7/bin-2019/utaipan/witness.graphml [2018-12-09 19:12:51,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:12:51,537 INFO L168 Benchmark]: Toolchain (without parser) took 20316.60 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 951.3 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,538 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:12:51,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,539 INFO L168 Benchmark]: Boogie Preprocessor took 20.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:12:51,539 INFO L168 Benchmark]: RCFGBuilder took 386.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,539 INFO L168 Benchmark]: TraceAbstraction took 19420.45 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 489.2 MB in the end (delta: 568.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,539 INFO L168 Benchmark]: Witness Printer took 109.21 ms. Allocated memory was 2.7 GB in the beginning and 3.1 GB in the end (delta: 416.8 MB). Free memory was 489.2 MB in the beginning and 2.5 GB in the end (delta: -2.0 GB). Peak memory consumption was 90.1 kB. Max. memory is 11.5 GB. [2018-12-09 19:12:51,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 386.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19420.45 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 489.2 MB in the end (delta: 568.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 109.21 ms. Allocated memory was 2.7 GB in the beginning and 3.1 GB in the end (delta: 416.8 MB). Free memory was 489.2 MB in the beginning and 2.5 GB in the end (delta: -2.0 GB). Peak memory consumption was 90.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L678] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L680] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L681] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L682] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L684] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L686] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L687] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L688] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L689] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$r_buff0_thd0=0] [L690] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L691] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L692] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$r_buff1_thd0=0] [L693] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$r_buff1_thd1=0] [L694] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L695] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L696] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$read_delayed_var={0:0}] [L697] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$w_buff0=0] [L698] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L699] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L700] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$w_buff1_used=0] [L702] -1 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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, z=0] [L703] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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, z=0] [L704] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L794] -1 pthread_t t257; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L795] FCALL, FORK -1 pthread_create(&t257, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] -1 pthread_t t258; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L797] FCALL, FORK -1 pthread_create(&t258, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L742] 0 y$w_buff1 = y$w_buff0 [L743] 0 y$w_buff0 = 1 [L744] 0 y$w_buff1_used = y$w_buff0_used [L745] 0 y$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L748] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L749] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L750] 0 y$r_buff0_thd2 = (_Bool)1 [L753] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L754] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L755] 0 y$flush_delayed = weak$$choice2 [L756] 0 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L757] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L757] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L757] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L757] 0 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L758] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L758] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L759] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L759] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L761] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L761] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 0 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L762] 0 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L763] EXPR 0 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L763] 0 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L764] 0 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L765] EXPR 0 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L765] 0 y = y$flush_delayed ? y$mem_tmp : y [L766] 0 y$flush_delayed = (_Bool)0 [L769] 0 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L772] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L708] 1 z = 1 [L711] 1 x = 1 [L714] 1 __unbuffered_p0_EAX = x [L717] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L718] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L719] 1 y$flush_delayed = weak$$choice2 [L720] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L721] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L721] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L722] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L722] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L723] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L723] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L724] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L724] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L725] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L725] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L726] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L726] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L727] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L727] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L728] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L729] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 0 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L729] 1 y = y$flush_delayed ? y$mem_tmp : y [L730] 1 y$flush_delayed = (_Bool)0 [L735] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L773] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L774] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L775] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L775] 0 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L776] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L776] 0 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L779] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L799] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L804] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L804] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L805] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L805] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L806] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L806] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L807] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L807] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L810] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 285 locations, 3 error locations. UNSAFE Result, 19.3s OverallTime, 23 OverallIterations, 1 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7383 SDtfs, 7865 SDslu, 20856 SDs, 0 SdLazy, 6030 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 59 SyntacticMatches, 14 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83129occurred 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: 5.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 91119 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2005 NumberOfCodeBlocks, 2005 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1879 ConstructedInterpolants, 0 QuantifiedInterpolants, 408442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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...