./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix012_rmo.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_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix012_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/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 9a0d08bfd8098766a5ad0a6222addfa7401e63dc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-03 06:32:36,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:32:36,200 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:32:36,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:32:36,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:32:36,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:32:36,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:32:36,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:32:36,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:32:36,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:32:36,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:32:36,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:32:36,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:32:36,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:32:36,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:32:36,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:32:36,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:32:36,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:32:36,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:32:36,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:32:36,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:32:36,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:32:36,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:32:36,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:32:36,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:32:36,218 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:32:36,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:32:36,219 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:32:36,220 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:32:36,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:32:36,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:32:36,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:32:36,221 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:32:36,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:32:36,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:32:36,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:32:36,222 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:32:36,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:32:36,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:32:36,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:32:36,230 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:32:36,230 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:32:36,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:32:36,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:32:36,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:32:36,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:32:36,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:32:36,232 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_c54d06d5-fc49-4995-a76f-d79567a01bac/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 -> 9a0d08bfd8098766a5ad0a6222addfa7401e63dc [2018-12-03 06:32:36,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:32:36,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:32:36,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:32:36,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:32:36,259 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:32:36,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix012_rmo.opt_false-unreach-call.i [2018-12-03 06:32:36,295 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/data/8f3f516a7/f1fe16df842e437d9818340dc2b94bf9/FLAGcec459af6 [2018-12-03 06:32:36,707 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:32:36,708 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/sv-benchmarks/c/pthread-wmm/mix012_rmo.opt_false-unreach-call.i [2018-12-03 06:32:36,716 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/data/8f3f516a7/f1fe16df842e437d9818340dc2b94bf9/FLAGcec459af6 [2018-12-03 06:32:36,726 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/data/8f3f516a7/f1fe16df842e437d9818340dc2b94bf9 [2018-12-03 06:32:36,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:32:36,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:32:36,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:32:36,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:32:36,731 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:32:36,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:32:36" (1/1) ... [2018-12-03 06:32:36,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628262cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:36, skipping insertion in model container [2018-12-03 06:32:36,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:32:36" (1/1) ... [2018-12-03 06:32:36,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:32:36,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:32:36,962 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:32:36,970 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:32:37,046 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:32:37,075 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:32:37,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37 WrapperNode [2018-12-03 06:32:37,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:32:37,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:32:37,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:32:37,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:32:37,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:32:37,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:32:37,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:32:37,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:32:37,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... [2018-12-03 06:32:37,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:32:37,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:32:37,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:32:37,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:32:37,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/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 [2018-12-03 06:32:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:32:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 06:32:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-03 06:32:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 06:32:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-03 06:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-03 06:32:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-03 06:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-03 06:32:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-03 06:32:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:32:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:32:37,165 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 06:32:37,485 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:32:37,486 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 06:32:37,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:32:37 BoogieIcfgContainer [2018-12-03 06:32:37,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:32:37,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:32:37,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:32:37,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:32:37,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:32:36" (1/3) ... [2018-12-03 06:32:37,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8765c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:32:37, skipping insertion in model container [2018-12-03 06:32:37,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:32:37" (2/3) ... [2018-12-03 06:32:37,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8765c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:32:37, skipping insertion in model container [2018-12-03 06:32:37,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:32:37" (3/3) ... [2018-12-03 06:32:37,492 INFO L112 eAbstractionObserver]: Analyzing ICFG mix012_rmo.opt_false-unreach-call.i [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,518 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,519 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,520 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,521 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,523 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,534 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,535 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,536 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,537 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,538 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,539 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,540 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,541 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:32:37,546 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 06:32:37,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:32:37,553 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-03 06:32:37,568 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-03 06:32:37,584 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:32:37,584 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:32:37,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:32:37,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:32:37,584 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:32:37,584 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:32:37,584 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:32:37,584 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:32:37,593 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143places, 181 transitions [2018-12-03 06:32:39,277 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34807 states. [2018-12-03 06:32:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 34807 states. [2018-12-03 06:32:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-03 06:32:39,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:39,284 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] [2018-12-03 06:32:39,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:39,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:39,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1782476305, now seen corresponding path program 1 times [2018-12-03 06:32:39,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:39,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:39,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:39,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:39,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:39,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:39,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:39,434 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:39,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:39,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:39,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:39,447 INFO L87 Difference]: Start difference. First operand 34807 states. Second operand 4 states. [2018-12-03 06:32:39,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:39,905 INFO L93 Difference]: Finished difference Result 60791 states and 234494 transitions. [2018-12-03 06:32:39,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:32:39,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-03 06:32:39,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:40,049 INFO L225 Difference]: With dead ends: 60791 [2018-12-03 06:32:40,049 INFO L226 Difference]: Without dead ends: 44271 [2018-12-03 06:32:40,050 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 [2018-12-03 06:32:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44271 states. [2018-12-03 06:32:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44271 to 27339. [2018-12-03 06:32:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27339 states. [2018-12-03 06:32:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27339 states to 27339 states and 105500 transitions. [2018-12-03 06:32:40,876 INFO L78 Accepts]: Start accepts. Automaton has 27339 states and 105500 transitions. Word has length 34 [2018-12-03 06:32:40,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:40,876 INFO L480 AbstractCegarLoop]: Abstraction has 27339 states and 105500 transitions. [2018-12-03 06:32:40,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 27339 states and 105500 transitions. [2018-12-03 06:32:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 06:32:40,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:40,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:40,881 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:40,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:40,881 INFO L82 PathProgramCache]: Analyzing trace with hash -983112731, now seen corresponding path program 1 times [2018-12-03 06:32:40,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:40,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:40,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:40,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:40,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:40,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:40,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:40,938 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:40,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:40,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:40,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:40,940 INFO L87 Difference]: Start difference. First operand 27339 states and 105500 transitions. Second operand 5 states. [2018-12-03 06:32:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:41,484 INFO L93 Difference]: Finished difference Result 64005 states and 235335 transitions. [2018-12-03 06:32:41,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:32:41,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-03 06:32:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:41,738 INFO L225 Difference]: With dead ends: 64005 [2018-12-03 06:32:41,738 INFO L226 Difference]: Without dead ends: 63453 [2018-12-03 06:32:41,739 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 [2018-12-03 06:32:41,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63453 states. [2018-12-03 06:32:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63453 to 41421. [2018-12-03 06:32:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41421 states. [2018-12-03 06:32:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41421 states to 41421 states and 152330 transitions. [2018-12-03 06:32:42,675 INFO L78 Accepts]: Start accepts. Automaton has 41421 states and 152330 transitions. Word has length 46 [2018-12-03 06:32:42,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:42,676 INFO L480 AbstractCegarLoop]: Abstraction has 41421 states and 152330 transitions. [2018-12-03 06:32:42,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 41421 states and 152330 transitions. [2018-12-03 06:32:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 06:32:42,679 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:42,680 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:42,680 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:42,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:42,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1484418599, now seen corresponding path program 1 times [2018-12-03 06:32:42,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:42,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:42,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:42,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:42,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:42,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:42,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:42,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:42,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:42,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:42,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:42,726 INFO L87 Difference]: Start difference. First operand 41421 states and 152330 transitions. Second operand 5 states. [2018-12-03 06:32:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:43,153 INFO L93 Difference]: Finished difference Result 81367 states and 298048 transitions. [2018-12-03 06:32:43,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:32:43,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-03 06:32:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:43,295 INFO L225 Difference]: With dead ends: 81367 [2018-12-03 06:32:43,295 INFO L226 Difference]: Without dead ends: 80855 [2018-12-03 06:32:43,295 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 [2018-12-03 06:32:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80855 states. [2018-12-03 06:32:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80855 to 45375. [2018-12-03 06:32:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45375 states. [2018-12-03 06:32:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45375 states to 45375 states and 166018 transitions. [2018-12-03 06:32:44,256 INFO L78 Accepts]: Start accepts. Automaton has 45375 states and 166018 transitions. Word has length 47 [2018-12-03 06:32:44,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:44,256 INFO L480 AbstractCegarLoop]: Abstraction has 45375 states and 166018 transitions. [2018-12-03 06:32:44,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 45375 states and 166018 transitions. [2018-12-03 06:32:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 06:32:44,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:44,261 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] [2018-12-03 06:32:44,261 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:44,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash 375052511, now seen corresponding path program 1 times [2018-12-03 06:32:44,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:44,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:44,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:44,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:44,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:44,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:44,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:32:44,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:44,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:32:44,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:32:44,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:32:44,291 INFO L87 Difference]: Start difference. First operand 45375 states and 166018 transitions. Second operand 3 states. [2018-12-03 06:32:44,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:44,521 INFO L93 Difference]: Finished difference Result 65251 states and 235814 transitions. [2018-12-03 06:32:44,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:32:44,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-12-03 06:32:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:44,634 INFO L225 Difference]: With dead ends: 65251 [2018-12-03 06:32:44,634 INFO L226 Difference]: Without dead ends: 65251 [2018-12-03 06:32:44,635 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 [2018-12-03 06:32:44,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65251 states. [2018-12-03 06:32:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65251 to 50945. [2018-12-03 06:32:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50945 states. [2018-12-03 06:32:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50945 states to 50945 states and 184325 transitions. [2018-12-03 06:32:45,633 INFO L78 Accepts]: Start accepts. Automaton has 50945 states and 184325 transitions. Word has length 49 [2018-12-03 06:32:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:45,634 INFO L480 AbstractCegarLoop]: Abstraction has 50945 states and 184325 transitions. [2018-12-03 06:32:45,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:32:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 50945 states and 184325 transitions. [2018-12-03 06:32:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:32:45,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:45,642 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] [2018-12-03 06:32:45,643 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:45,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:45,643 INFO L82 PathProgramCache]: Analyzing trace with hash -559765890, now seen corresponding path program 1 times [2018-12-03 06:32:45,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:45,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:45,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:45,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:45,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:45,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:45,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:45,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:45,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:45,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:45,733 INFO L87 Difference]: Start difference. First operand 50945 states and 184325 transitions. Second operand 6 states. [2018-12-03 06:32:46,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:46,260 INFO L93 Difference]: Finished difference Result 67511 states and 242185 transitions. [2018-12-03 06:32:46,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:32:46,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-03 06:32:46,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:46,377 INFO L225 Difference]: With dead ends: 67511 [2018-12-03 06:32:46,378 INFO L226 Difference]: Without dead ends: 67511 [2018-12-03 06:32:46,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:32:46,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67511 states. [2018-12-03 06:32:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67511 to 63436. [2018-12-03 06:32:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63436 states. [2018-12-03 06:32:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63436 states to 63436 states and 227584 transitions. [2018-12-03 06:32:47,452 INFO L78 Accepts]: Start accepts. Automaton has 63436 states and 227584 transitions. Word has length 53 [2018-12-03 06:32:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:47,452 INFO L480 AbstractCegarLoop]: Abstraction has 63436 states and 227584 transitions. [2018-12-03 06:32:47,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 63436 states and 227584 transitions. [2018-12-03 06:32:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:32:47,461 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:47,461 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] [2018-12-03 06:32:47,461 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:47,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:47,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1938250047, now seen corresponding path program 1 times [2018-12-03 06:32:47,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:47,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:47,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:47,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:47,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:47,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:47,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:32:47,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:47,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:32:47,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:32:47,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:47,517 INFO L87 Difference]: Start difference. First operand 63436 states and 227584 transitions. Second operand 7 states. [2018-12-03 06:32:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:48,238 INFO L93 Difference]: Finished difference Result 88528 states and 306201 transitions. [2018-12-03 06:32:48,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 06:32:48,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-12-03 06:32:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:48,385 INFO L225 Difference]: With dead ends: 88528 [2018-12-03 06:32:48,385 INFO L226 Difference]: Without dead ends: 88528 [2018-12-03 06:32:48,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:32:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88528 states. [2018-12-03 06:32:49,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88528 to 74881. [2018-12-03 06:32:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74881 states. [2018-12-03 06:32:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74881 states to 74881 states and 262987 transitions. [2018-12-03 06:32:49,801 INFO L78 Accepts]: Start accepts. Automaton has 74881 states and 262987 transitions. Word has length 53 [2018-12-03 06:32:49,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:49,802 INFO L480 AbstractCegarLoop]: Abstraction has 74881 states and 262987 transitions. [2018-12-03 06:32:49,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:32:49,802 INFO L276 IsEmpty]: Start isEmpty. Operand 74881 states and 262987 transitions. [2018-12-03 06:32:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:32:49,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:49,811 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] [2018-12-03 06:32:49,811 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:49,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:49,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1469213568, now seen corresponding path program 1 times [2018-12-03 06:32:49,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:49,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:49,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:49,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:49,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:49,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:49,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:32:49,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:49,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:32:49,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:32:49,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:32:49,849 INFO L87 Difference]: Start difference. First operand 74881 states and 262987 transitions. Second operand 3 states. [2018-12-03 06:32:50,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:50,033 INFO L93 Difference]: Finished difference Result 57182 states and 199435 transitions. [2018-12-03 06:32:50,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:32:50,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 06:32:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:50,134 INFO L225 Difference]: With dead ends: 57182 [2018-12-03 06:32:50,134 INFO L226 Difference]: Without dead ends: 57182 [2018-12-03 06:32:50,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:32:50,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57182 states. [2018-12-03 06:32:50,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57182 to 56447. [2018-12-03 06:32:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56447 states. [2018-12-03 06:32:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56447 states to 56447 states and 197181 transitions. [2018-12-03 06:32:50,959 INFO L78 Accepts]: Start accepts. Automaton has 56447 states and 197181 transitions. Word has length 53 [2018-12-03 06:32:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:50,959 INFO L480 AbstractCegarLoop]: Abstraction has 56447 states and 197181 transitions. [2018-12-03 06:32:50,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:32:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 56447 states and 197181 transitions. [2018-12-03 06:32:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 06:32:50,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:50,966 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] [2018-12-03 06:32:50,967 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:50,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:50,967 INFO L82 PathProgramCache]: Analyzing trace with hash -211879190, now seen corresponding path program 1 times [2018-12-03 06:32:50,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:50,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:50,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:50,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:50,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:51,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:51,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:51,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:51,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:51,022 INFO L87 Difference]: Start difference. First operand 56447 states and 197181 transitions. Second operand 6 states. [2018-12-03 06:32:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:51,550 INFO L93 Difference]: Finished difference Result 97908 states and 340995 transitions. [2018-12-03 06:32:51,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 06:32:51,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-03 06:32:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:51,713 INFO L225 Difference]: With dead ends: 97908 [2018-12-03 06:32:51,713 INFO L226 Difference]: Without dead ends: 97332 [2018-12-03 06:32:51,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-03 06:32:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97332 states. [2018-12-03 06:32:52,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97332 to 56676. [2018-12-03 06:32:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56676 states. [2018-12-03 06:32:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56676 states to 56676 states and 198353 transitions. [2018-12-03 06:32:52,839 INFO L78 Accepts]: Start accepts. Automaton has 56676 states and 198353 transitions. Word has length 53 [2018-12-03 06:32:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:52,839 INFO L480 AbstractCegarLoop]: Abstraction has 56676 states and 198353 transitions. [2018-12-03 06:32:52,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 56676 states and 198353 transitions. [2018-12-03 06:32:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 06:32:52,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:52,847 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:52,847 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:52,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:52,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2074481868, now seen corresponding path program 1 times [2018-12-03 06:32:52,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:52,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:52,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:52,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:52,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:52,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:52,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:52,885 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:52,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:52,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:52,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:52,885 INFO L87 Difference]: Start difference. First operand 56676 states and 198353 transitions. Second operand 4 states. [2018-12-03 06:32:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:52,936 INFO L93 Difference]: Finished difference Result 12705 states and 39586 transitions. [2018-12-03 06:32:52,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:32:52,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-12-03 06:32:52,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:52,953 INFO L225 Difference]: With dead ends: 12705 [2018-12-03 06:32:52,953 INFO L226 Difference]: Without dead ends: 10887 [2018-12-03 06:32:52,953 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 [2018-12-03 06:32:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10887 states. [2018-12-03 06:32:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10887 to 10839. [2018-12-03 06:32:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10839 states. [2018-12-03 06:32:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10839 states to 10839 states and 33402 transitions. [2018-12-03 06:32:53,058 INFO L78 Accepts]: Start accepts. Automaton has 10839 states and 33402 transitions. Word has length 54 [2018-12-03 06:32:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:53,058 INFO L480 AbstractCegarLoop]: Abstraction has 10839 states and 33402 transitions. [2018-12-03 06:32:53,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 10839 states and 33402 transitions. [2018-12-03 06:32:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 06:32:53,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:53,061 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] [2018-12-03 06:32:53,061 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:53,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1760614074, now seen corresponding path program 1 times [2018-12-03 06:32:53,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:53,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:53,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:53,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:53,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:53,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:53,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:53,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:53,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:53,090 INFO L87 Difference]: Start difference. First operand 10839 states and 33402 transitions. Second operand 4 states. [2018-12-03 06:32:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:53,174 INFO L93 Difference]: Finished difference Result 12386 states and 38231 transitions. [2018-12-03 06:32:53,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:32:53,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-03 06:32:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:53,187 INFO L225 Difference]: With dead ends: 12386 [2018-12-03 06:32:53,188 INFO L226 Difference]: Without dead ends: 12386 [2018-12-03 06:32:53,188 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 [2018-12-03 06:32:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12386 states. [2018-12-03 06:32:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12386 to 11359. [2018-12-03 06:32:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11359 states. [2018-12-03 06:32:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11359 states to 11359 states and 35015 transitions. [2018-12-03 06:32:53,304 INFO L78 Accepts]: Start accepts. Automaton has 11359 states and 35015 transitions. Word has length 61 [2018-12-03 06:32:53,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:53,304 INFO L480 AbstractCegarLoop]: Abstraction has 11359 states and 35015 transitions. [2018-12-03 06:32:53,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 11359 states and 35015 transitions. [2018-12-03 06:32:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 06:32:53,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:53,307 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] [2018-12-03 06:32:53,307 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:53,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:53,307 INFO L82 PathProgramCache]: Analyzing trace with hash -17803739, now seen corresponding path program 1 times [2018-12-03 06:32:53,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:53,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:53,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:53,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:53,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:53,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:53,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:53,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:53,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:53,357 INFO L87 Difference]: Start difference. First operand 11359 states and 35015 transitions. Second operand 6 states. [2018-12-03 06:32:53,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:53,596 INFO L93 Difference]: Finished difference Result 20935 states and 64448 transitions. [2018-12-03 06:32:53,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:32:53,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-03 06:32:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:53,618 INFO L225 Difference]: With dead ends: 20935 [2018-12-03 06:32:53,618 INFO L226 Difference]: Without dead ends: 20864 [2018-12-03 06:32:53,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-03 06:32:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20864 states. [2018-12-03 06:32:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20864 to 13298. [2018-12-03 06:32:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13298 states. [2018-12-03 06:32:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13298 states to 13298 states and 40712 transitions. [2018-12-03 06:32:53,794 INFO L78 Accepts]: Start accepts. Automaton has 13298 states and 40712 transitions. Word has length 61 [2018-12-03 06:32:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:53,794 INFO L480 AbstractCegarLoop]: Abstraction has 13298 states and 40712 transitions. [2018-12-03 06:32:53,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 13298 states and 40712 transitions. [2018-12-03 06:32:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:53,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:53,798 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] [2018-12-03 06:32:53,798 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:53,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:53,799 INFO L82 PathProgramCache]: Analyzing trace with hash 859851853, now seen corresponding path program 1 times [2018-12-03 06:32:53,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:53,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:53,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:53,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:53,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:53,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:32:53,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:53,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:32:53,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:32:53,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:32:53,818 INFO L87 Difference]: Start difference. First operand 13298 states and 40712 transitions. Second operand 3 states. [2018-12-03 06:32:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:53,942 INFO L93 Difference]: Finished difference Result 13930 states and 42364 transitions. [2018-12-03 06:32:53,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:32:53,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-12-03 06:32:53,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:53,957 INFO L225 Difference]: With dead ends: 13930 [2018-12-03 06:32:53,957 INFO L226 Difference]: Without dead ends: 13930 [2018-12-03 06:32:53,957 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 [2018-12-03 06:32:53,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-03 06:32:54,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 13614. [2018-12-03 06:32:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13614 states. [2018-12-03 06:32:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13614 states to 13614 states and 41538 transitions. [2018-12-03 06:32:54,096 INFO L78 Accepts]: Start accepts. Automaton has 13614 states and 41538 transitions. Word has length 67 [2018-12-03 06:32:54,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:54,097 INFO L480 AbstractCegarLoop]: Abstraction has 13614 states and 41538 transitions. [2018-12-03 06:32:54,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:32:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 13614 states and 41538 transitions. [2018-12-03 06:32:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:54,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:54,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:54,101 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:54,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:54,101 INFO L82 PathProgramCache]: Analyzing trace with hash -101762164, now seen corresponding path program 1 times [2018-12-03 06:32:54,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:54,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:54,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:54,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:54,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:54,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:54,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:54,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:54,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:54,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:54,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:54,140 INFO L87 Difference]: Start difference. First operand 13614 states and 41538 transitions. Second operand 4 states. [2018-12-03 06:32:54,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:54,300 INFO L93 Difference]: Finished difference Result 17463 states and 52743 transitions. [2018-12-03 06:32:54,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:32:54,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-03 06:32:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:54,317 INFO L225 Difference]: With dead ends: 17463 [2018-12-03 06:32:54,318 INFO L226 Difference]: Without dead ends: 17463 [2018-12-03 06:32:54,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:54,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17463 states. [2018-12-03 06:32:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17463 to 15244. [2018-12-03 06:32:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15244 states. [2018-12-03 06:32:54,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15244 states to 15244 states and 46198 transitions. [2018-12-03 06:32:54,473 INFO L78 Accepts]: Start accepts. Automaton has 15244 states and 46198 transitions. Word has length 67 [2018-12-03 06:32:54,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:54,473 INFO L480 AbstractCegarLoop]: Abstraction has 15244 states and 46198 transitions. [2018-12-03 06:32:54,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 15244 states and 46198 transitions. [2018-12-03 06:32:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:54,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:54,478 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] [2018-12-03 06:32:54,478 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:54,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:54,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1143002317, now seen corresponding path program 1 times [2018-12-03 06:32:54,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:54,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:54,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:54,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:54,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:54,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:54,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:54,527 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:54,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:54,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:54,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:54,527 INFO L87 Difference]: Start difference. First operand 15244 states and 46198 transitions. Second operand 6 states. [2018-12-03 06:32:55,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:55,003 INFO L93 Difference]: Finished difference Result 18862 states and 56126 transitions. [2018-12-03 06:32:55,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:32:55,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-12-03 06:32:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:55,023 INFO L225 Difference]: With dead ends: 18862 [2018-12-03 06:32:55,023 INFO L226 Difference]: Without dead ends: 18862 [2018-12-03 06:32:55,023 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 [2018-12-03 06:32:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18862 states. [2018-12-03 06:32:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18862 to 17720. [2018-12-03 06:32:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17720 states. [2018-12-03 06:32:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17720 states to 17720 states and 53178 transitions. [2018-12-03 06:32:55,249 INFO L78 Accepts]: Start accepts. Automaton has 17720 states and 53178 transitions. Word has length 67 [2018-12-03 06:32:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:55,249 INFO L480 AbstractCegarLoop]: Abstraction has 17720 states and 53178 transitions. [2018-12-03 06:32:55,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17720 states and 53178 transitions. [2018-12-03 06:32:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:55,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:55,256 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] [2018-12-03 06:32:55,256 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:55,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:55,256 INFO L82 PathProgramCache]: Analyzing trace with hash -934207026, now seen corresponding path program 1 times [2018-12-03 06:32:55,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:55,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:55,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:55,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:55,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:55,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:55,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:55,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:55,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:55,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:55,307 INFO L87 Difference]: Start difference. First operand 17720 states and 53178 transitions. Second operand 6 states. [2018-12-03 06:32:55,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:55,552 INFO L93 Difference]: Finished difference Result 20389 states and 59240 transitions. [2018-12-03 06:32:55,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 06:32:55,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-12-03 06:32:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:55,572 INFO L225 Difference]: With dead ends: 20389 [2018-12-03 06:32:55,573 INFO L226 Difference]: Without dead ends: 20389 [2018-12-03 06:32:55,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:32:55,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20389 states. [2018-12-03 06:32:55,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20389 to 18002. [2018-12-03 06:32:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18002 states. [2018-12-03 06:32:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18002 states to 18002 states and 53189 transitions. [2018-12-03 06:32:55,763 INFO L78 Accepts]: Start accepts. Automaton has 18002 states and 53189 transitions. Word has length 67 [2018-12-03 06:32:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:55,764 INFO L480 AbstractCegarLoop]: Abstraction has 18002 states and 53189 transitions. [2018-12-03 06:32:55,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18002 states and 53189 transitions. [2018-12-03 06:32:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:55,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:55,771 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] [2018-12-03 06:32:55,771 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:55,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:55,772 INFO L82 PathProgramCache]: Analyzing trace with hash -722856113, now seen corresponding path program 1 times [2018-12-03 06:32:55,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:55,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:55,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:55,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:55,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:55,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:55,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:55,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:55,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:55,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:55,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:55,805 INFO L87 Difference]: Start difference. First operand 18002 states and 53189 transitions. Second operand 5 states. [2018-12-03 06:32:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:56,012 INFO L93 Difference]: Finished difference Result 23413 states and 68682 transitions. [2018-12-03 06:32:56,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:32:56,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-12-03 06:32:56,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:56,036 INFO L225 Difference]: With dead ends: 23413 [2018-12-03 06:32:56,036 INFO L226 Difference]: Without dead ends: 23413 [2018-12-03 06:32:56,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:56,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23413 states. [2018-12-03 06:32:56,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23413 to 21350. [2018-12-03 06:32:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21350 states. [2018-12-03 06:32:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21350 states to 21350 states and 62593 transitions. [2018-12-03 06:32:56,259 INFO L78 Accepts]: Start accepts. Automaton has 21350 states and 62593 transitions. Word has length 67 [2018-12-03 06:32:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:56,259 INFO L480 AbstractCegarLoop]: Abstraction has 21350 states and 62593 transitions. [2018-12-03 06:32:56,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 21350 states and 62593 transitions. [2018-12-03 06:32:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:56,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:56,267 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] [2018-12-03 06:32:56,267 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:56,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:56,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1233390290, now seen corresponding path program 1 times [2018-12-03 06:32:56,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:56,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:56,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:56,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:56,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:56,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:56,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:56,311 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:56,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:56,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:56,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:56,312 INFO L87 Difference]: Start difference. First operand 21350 states and 62593 transitions. Second operand 4 states. [2018-12-03 06:32:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:56,634 INFO L93 Difference]: Finished difference Result 26758 states and 78553 transitions. [2018-12-03 06:32:56,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 06:32:56,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-03 06:32:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:56,668 INFO L225 Difference]: With dead ends: 26758 [2018-12-03 06:32:56,668 INFO L226 Difference]: Without dead ends: 26462 [2018-12-03 06:32:56,668 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 [2018-12-03 06:32:56,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26462 states. [2018-12-03 06:32:56,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26462 to 25142. [2018-12-03 06:32:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25142 states. [2018-12-03 06:32:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25142 states to 25142 states and 73709 transitions. [2018-12-03 06:32:56,943 INFO L78 Accepts]: Start accepts. Automaton has 25142 states and 73709 transitions. Word has length 67 [2018-12-03 06:32:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:56,944 INFO L480 AbstractCegarLoop]: Abstraction has 25142 states and 73709 transitions. [2018-12-03 06:32:56,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 25142 states and 73709 transitions. [2018-12-03 06:32:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:56,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:56,950 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] [2018-12-03 06:32:56,950 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:56,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:56,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1264625647, now seen corresponding path program 1 times [2018-12-03 06:32:56,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:56,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:56,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:56,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:56,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:56,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:56,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:56,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:56,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:56,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:56,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:56,982 INFO L87 Difference]: Start difference. First operand 25142 states and 73709 transitions. Second operand 5 states. [2018-12-03 06:32:57,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:57,011 INFO L93 Difference]: Finished difference Result 7314 states and 17674 transitions. [2018-12-03 06:32:57,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:32:57,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-12-03 06:32:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:57,016 INFO L225 Difference]: With dead ends: 7314 [2018-12-03 06:32:57,016 INFO L226 Difference]: Without dead ends: 6004 [2018-12-03 06:32:57,016 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 [2018-12-03 06:32:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6004 states. [2018-12-03 06:32:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6004 to 5514. [2018-12-03 06:32:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5514 states. [2018-12-03 06:32:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 12848 transitions. [2018-12-03 06:32:57,054 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 12848 transitions. Word has length 67 [2018-12-03 06:32:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:57,054 INFO L480 AbstractCegarLoop]: Abstraction has 5514 states and 12848 transitions. [2018-12-03 06:32:57,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 12848 transitions. [2018-12-03 06:32:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 06:32:57,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:57,058 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] [2018-12-03 06:32:57,058 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:57,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:57,058 INFO L82 PathProgramCache]: Analyzing trace with hash 288361846, now seen corresponding path program 1 times [2018-12-03 06:32:57,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:57,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:57,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:57,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:57,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:32:57,074 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:57,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:32:57,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:32:57,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:32:57,074 INFO L87 Difference]: Start difference. First operand 5514 states and 12848 transitions. Second operand 3 states. [2018-12-03 06:32:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:57,098 INFO L93 Difference]: Finished difference Result 7126 states and 16417 transitions. [2018-12-03 06:32:57,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:32:57,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-12-03 06:32:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:57,103 INFO L225 Difference]: With dead ends: 7126 [2018-12-03 06:32:57,103 INFO L226 Difference]: Without dead ends: 7126 [2018-12-03 06:32:57,103 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 [2018-12-03 06:32:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7126 states. [2018-12-03 06:32:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7126 to 5453. [2018-12-03 06:32:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5453 states. [2018-12-03 06:32:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5453 states to 5453 states and 12388 transitions. [2018-12-03 06:32:57,148 INFO L78 Accepts]: Start accepts. Automaton has 5453 states and 12388 transitions. Word has length 67 [2018-12-03 06:32:57,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:57,149 INFO L480 AbstractCegarLoop]: Abstraction has 5453 states and 12388 transitions. [2018-12-03 06:32:57,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:32:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5453 states and 12388 transitions. [2018-12-03 06:32:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-03 06:32:57,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:57,152 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:57,153 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:57,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:57,153 INFO L82 PathProgramCache]: Analyzing trace with hash -211461463, now seen corresponding path program 1 times [2018-12-03 06:32:57,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:57,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:57,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:57,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:57,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:57,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:57,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:57,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:57,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:57,207 INFO L87 Difference]: Start difference. First operand 5453 states and 12388 transitions. Second operand 5 states. [2018-12-03 06:32:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:57,316 INFO L93 Difference]: Finished difference Result 6617 states and 15012 transitions. [2018-12-03 06:32:57,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 06:32:57,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-12-03 06:32:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:57,321 INFO L225 Difference]: With dead ends: 6617 [2018-12-03 06:32:57,321 INFO L226 Difference]: Without dead ends: 6617 [2018-12-03 06:32:57,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:32:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6617 states. [2018-12-03 06:32:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6617 to 5897. [2018-12-03 06:32:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5897 states. [2018-12-03 06:32:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 5897 states and 13392 transitions. [2018-12-03 06:32:57,366 INFO L78 Accepts]: Start accepts. Automaton has 5897 states and 13392 transitions. Word has length 73 [2018-12-03 06:32:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:57,366 INFO L480 AbstractCegarLoop]: Abstraction has 5897 states and 13392 transitions. [2018-12-03 06:32:57,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 13392 transitions. [2018-12-03 06:32:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-03 06:32:57,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:57,370 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:57,370 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:57,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:57,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1531348872, now seen corresponding path program 1 times [2018-12-03 06:32:57,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:57,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:57,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:57,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:57,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:32:57,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:57,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:32:57,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:32:57,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:57,419 INFO L87 Difference]: Start difference. First operand 5897 states and 13392 transitions. Second operand 7 states. [2018-12-03 06:32:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:57,635 INFO L93 Difference]: Finished difference Result 7099 states and 15961 transitions. [2018-12-03 06:32:57,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 06:32:57,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-12-03 06:32:57,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:57,640 INFO L225 Difference]: With dead ends: 7099 [2018-12-03 06:32:57,640 INFO L226 Difference]: Without dead ends: 6980 [2018-12-03 06:32:57,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-12-03 06:32:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2018-12-03 06:32:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 5994. [2018-12-03 06:32:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5994 states. [2018-12-03 06:32:57,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 13485 transitions. [2018-12-03 06:32:57,683 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 13485 transitions. Word has length 73 [2018-12-03 06:32:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:57,683 INFO L480 AbstractCegarLoop]: Abstraction has 5994 states and 13485 transitions. [2018-12-03 06:32:57,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:32:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 13485 transitions. [2018-12-03 06:32:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 06:32:57,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:57,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:57,688 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:57,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:57,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1678014975, now seen corresponding path program 1 times [2018-12-03 06:32:57,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:57,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:57,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:57,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:57,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:57,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:57,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:57,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:57,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:57,732 INFO L87 Difference]: Start difference. First operand 5994 states and 13485 transitions. Second operand 5 states. [2018-12-03 06:32:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:57,926 INFO L93 Difference]: Finished difference Result 5550 states and 12354 transitions. [2018-12-03 06:32:57,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:32:57,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-03 06:32:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:57,930 INFO L225 Difference]: With dead ends: 5550 [2018-12-03 06:32:57,930 INFO L226 Difference]: Without dead ends: 5550 [2018-12-03 06:32:57,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5550 states. [2018-12-03 06:32:57,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 5153. [2018-12-03 06:32:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5153 states. [2018-12-03 06:32:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 5153 states and 11452 transitions. [2018-12-03 06:32:57,964 INFO L78 Accepts]: Start accepts. Automaton has 5153 states and 11452 transitions. Word has length 94 [2018-12-03 06:32:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:57,964 INFO L480 AbstractCegarLoop]: Abstraction has 5153 states and 11452 transitions. [2018-12-03 06:32:57,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 11452 transitions. [2018-12-03 06:32:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 06:32:57,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:57,968 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:32:57,968 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:57,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1649977157, now seen corresponding path program 1 times [2018-12-03 06:32:57,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:57,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:57,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:57,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:58,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:58,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:32:58,002 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:58,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:32:58,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:32:58,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:32:58,002 INFO L87 Difference]: Start difference. First operand 5153 states and 11452 transitions. Second operand 4 states. [2018-12-03 06:32:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:58,069 INFO L93 Difference]: Finished difference Result 6337 states and 14007 transitions. [2018-12-03 06:32:58,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:32:58,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-03 06:32:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:58,073 INFO L225 Difference]: With dead ends: 6337 [2018-12-03 06:32:58,074 INFO L226 Difference]: Without dead ends: 6337 [2018-12-03 06:32:58,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:58,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6337 states. [2018-12-03 06:32:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6337 to 5568. [2018-12-03 06:32:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5568 states. [2018-12-03 06:32:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5568 states to 5568 states and 12373 transitions. [2018-12-03 06:32:58,114 INFO L78 Accepts]: Start accepts. Automaton has 5568 states and 12373 transitions. Word has length 94 [2018-12-03 06:32:58,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:58,114 INFO L480 AbstractCegarLoop]: Abstraction has 5568 states and 12373 transitions. [2018-12-03 06:32:58,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:32:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5568 states and 12373 transitions. [2018-12-03 06:32:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:58,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:58,119 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] [2018-12-03 06:32:58,119 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:58,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 823121319, now seen corresponding path program 1 times [2018-12-03 06:32:58,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:58,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:58,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:58,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:58,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:32:58,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:58,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:32:58,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:32:58,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:58,169 INFO L87 Difference]: Start difference. First operand 5568 states and 12373 transitions. Second operand 7 states. [2018-12-03 06:32:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:58,726 INFO L93 Difference]: Finished difference Result 9573 states and 21333 transitions. [2018-12-03 06:32:58,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 06:32:58,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-03 06:32:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:58,732 INFO L225 Difference]: With dead ends: 9573 [2018-12-03 06:32:58,732 INFO L226 Difference]: Without dead ends: 9486 [2018-12-03 06:32:58,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2018-12-03 06:32:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9486 states. [2018-12-03 06:32:58,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9486 to 7509. [2018-12-03 06:32:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7509 states. [2018-12-03 06:32:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7509 states to 7509 states and 16816 transitions. [2018-12-03 06:32:58,792 INFO L78 Accepts]: Start accepts. Automaton has 7509 states and 16816 transitions. Word has length 96 [2018-12-03 06:32:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:58,792 INFO L480 AbstractCegarLoop]: Abstraction has 7509 states and 16816 transitions. [2018-12-03 06:32:58,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:32:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7509 states and 16816 transitions. [2018-12-03 06:32:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:58,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:58,798 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] [2018-12-03 06:32:58,798 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:58,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1254088024, now seen corresponding path program 1 times [2018-12-03 06:32:58,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:58,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:58,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:58,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:58,799 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:58,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:58,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:32:58,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:58,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:32:58,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:32:58,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:58,861 INFO L87 Difference]: Start difference. First operand 7509 states and 16816 transitions. Second operand 6 states. [2018-12-03 06:32:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:59,001 INFO L93 Difference]: Finished difference Result 6652 states and 14633 transitions. [2018-12-03 06:32:59,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:32:59,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-12-03 06:32:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:59,005 INFO L225 Difference]: With dead ends: 6652 [2018-12-03 06:32:59,005 INFO L226 Difference]: Without dead ends: 6632 [2018-12-03 06:32:59,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:59,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2018-12-03 06:32:59,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 5635. [2018-12-03 06:32:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2018-12-03 06:32:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 12500 transitions. [2018-12-03 06:32:59,046 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 12500 transitions. Word has length 96 [2018-12-03 06:32:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:59,046 INFO L480 AbstractCegarLoop]: Abstraction has 5635 states and 12500 transitions. [2018-12-03 06:32:59,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:32:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 12500 transitions. [2018-12-03 06:32:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:59,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:59,050 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] [2018-12-03 06:32:59,050 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:59,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:59,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1437621095, now seen corresponding path program 1 times [2018-12-03 06:32:59,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:59,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:59,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:59,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:59,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:59,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:59,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:59,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:59,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:59,095 INFO L87 Difference]: Start difference. First operand 5635 states and 12500 transitions. Second operand 5 states. [2018-12-03 06:32:59,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:59,312 INFO L93 Difference]: Finished difference Result 6826 states and 15038 transitions. [2018-12-03 06:32:59,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:32:59,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2018-12-03 06:32:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:59,316 INFO L225 Difference]: With dead ends: 6826 [2018-12-03 06:32:59,316 INFO L226 Difference]: Without dead ends: 6761 [2018-12-03 06:32:59,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:32:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6761 states. [2018-12-03 06:32:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6761 to 6287. [2018-12-03 06:32:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6287 states. [2018-12-03 06:32:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6287 states to 6287 states and 13887 transitions. [2018-12-03 06:32:59,374 INFO L78 Accepts]: Start accepts. Automaton has 6287 states and 13887 transitions. Word has length 96 [2018-12-03 06:32:59,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:59,375 INFO L480 AbstractCegarLoop]: Abstraction has 6287 states and 13887 transitions. [2018-12-03 06:32:59,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 6287 states and 13887 transitions. [2018-12-03 06:32:59,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:59,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:59,378 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] [2018-12-03 06:32:59,379 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:59,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:59,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1895732184, now seen corresponding path program 1 times [2018-12-03 06:32:59,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:59,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:59,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:59,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:59,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:32:59,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:59,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:32:59,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:32:59,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:32:59,417 INFO L87 Difference]: Start difference. First operand 6287 states and 13887 transitions. Second operand 5 states. [2018-12-03 06:32:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:59,556 INFO L93 Difference]: Finished difference Result 7428 states and 16365 transitions. [2018-12-03 06:32:59,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:32:59,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2018-12-03 06:32:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:59,561 INFO L225 Difference]: With dead ends: 7428 [2018-12-03 06:32:59,561 INFO L226 Difference]: Without dead ends: 7320 [2018-12-03 06:32:59,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:32:59,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2018-12-03 06:32:59,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 5841. [2018-12-03 06:32:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5841 states. [2018-12-03 06:32:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 12979 transitions. [2018-12-03 06:32:59,606 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 12979 transitions. Word has length 96 [2018-12-03 06:32:59,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:59,606 INFO L480 AbstractCegarLoop]: Abstraction has 5841 states and 12979 transitions. [2018-12-03 06:32:59,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:32:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 12979 transitions. [2018-12-03 06:32:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:59,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:59,610 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] [2018-12-03 06:32:59,611 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:59,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:59,611 INFO L82 PathProgramCache]: Analyzing trace with hash -17003224, now seen corresponding path program 2 times [2018-12-03 06:32:59,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:59,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:32:59,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:32:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:32:59,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:32:59,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:32:59,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:32:59,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:32:59,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:32:59,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:32:59,669 INFO L87 Difference]: Start difference. First operand 5841 states and 12979 transitions. Second operand 7 states. [2018-12-03 06:32:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:32:59,925 INFO L93 Difference]: Finished difference Result 7146 states and 15871 transitions. [2018-12-03 06:32:59,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 06:32:59,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-03 06:32:59,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:32:59,930 INFO L225 Difference]: With dead ends: 7146 [2018-12-03 06:32:59,930 INFO L226 Difference]: Without dead ends: 7146 [2018-12-03 06:32:59,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:32:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7146 states. [2018-12-03 06:32:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7146 to 5957. [2018-12-03 06:32:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5957 states. [2018-12-03 06:32:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5957 states to 5957 states and 13242 transitions. [2018-12-03 06:32:59,976 INFO L78 Accepts]: Start accepts. Automaton has 5957 states and 13242 transitions. Word has length 96 [2018-12-03 06:32:59,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:32:59,976 INFO L480 AbstractCegarLoop]: Abstraction has 5957 states and 13242 transitions. [2018-12-03 06:32:59,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:32:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5957 states and 13242 transitions. [2018-12-03 06:32:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:32:59,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:32:59,980 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] [2018-12-03 06:32:59,980 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:32:59,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:32:59,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1970478536, now seen corresponding path program 1 times [2018-12-03 06:32:59,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:32:59,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,981 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 06:32:59,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:32:59,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:32:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:00,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:00,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 06:33:00,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:00,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 06:33:00,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 06:33:00,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:33:00,074 INFO L87 Difference]: Start difference. First operand 5957 states and 13242 transitions. Second operand 9 states. [2018-12-03 06:33:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:00,448 INFO L93 Difference]: Finished difference Result 6448 states and 14298 transitions. [2018-12-03 06:33:00,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 06:33:00,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-12-03 06:33:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:00,453 INFO L225 Difference]: With dead ends: 6448 [2018-12-03 06:33:00,453 INFO L226 Difference]: Without dead ends: 6441 [2018-12-03 06:33:00,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-03 06:33:00,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6441 states. [2018-12-03 06:33:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6441 to 5996. [2018-12-03 06:33:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5996 states. [2018-12-03 06:33:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 13325 transitions. [2018-12-03 06:33:00,494 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 13325 transitions. Word has length 96 [2018-12-03 06:33:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:00,495 INFO L480 AbstractCegarLoop]: Abstraction has 5996 states and 13325 transitions. [2018-12-03 06:33:00,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 06:33:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 13325 transitions. [2018-12-03 06:33:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:00,499 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:00,499 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] [2018-12-03 06:33:00,499 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:00,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:00,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2113137847, now seen corresponding path program 1 times [2018-12-03 06:33:00,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:00,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:00,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:00,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:00,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:33:00,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:00,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:33:00,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:33:00,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:33:00,550 INFO L87 Difference]: Start difference. First operand 5996 states and 13325 transitions. Second operand 6 states. [2018-12-03 06:33:00,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:00,663 INFO L93 Difference]: Finished difference Result 6062 states and 13404 transitions. [2018-12-03 06:33:00,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:33:00,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-12-03 06:33:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:00,667 INFO L225 Difference]: With dead ends: 6062 [2018-12-03 06:33:00,667 INFO L226 Difference]: Without dead ends: 6062 [2018-12-03 06:33:00,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:33:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6062 states. [2018-12-03 06:33:00,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6062 to 5749. [2018-12-03 06:33:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5749 states. [2018-12-03 06:33:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5749 states to 5749 states and 12754 transitions. [2018-12-03 06:33:00,705 INFO L78 Accepts]: Start accepts. Automaton has 5749 states and 12754 transitions. Word has length 96 [2018-12-03 06:33:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:00,705 INFO L480 AbstractCegarLoop]: Abstraction has 5749 states and 12754 transitions. [2018-12-03 06:33:00,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:33:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5749 states and 12754 transitions. [2018-12-03 06:33:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:00,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:00,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:33:00,709 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:00,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:00,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1123855095, now seen corresponding path program 1 times [2018-12-03 06:33:00,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:00,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:00,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:00,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:00,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:33:00,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:00,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:33:00,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:33:00,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:33:00,755 INFO L87 Difference]: Start difference. First operand 5749 states and 12754 transitions. Second operand 6 states. [2018-12-03 06:33:00,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:00,924 INFO L93 Difference]: Finished difference Result 6941 states and 15369 transitions. [2018-12-03 06:33:00,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 06:33:00,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-12-03 06:33:00,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:00,928 INFO L225 Difference]: With dead ends: 6941 [2018-12-03 06:33:00,928 INFO L226 Difference]: Without dead ends: 6941 [2018-12-03 06:33:00,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:33:00,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6941 states. [2018-12-03 06:33:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6941 to 5775. [2018-12-03 06:33:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5775 states. [2018-12-03 06:33:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5775 states to 5775 states and 12796 transitions. [2018-12-03 06:33:00,969 INFO L78 Accepts]: Start accepts. Automaton has 5775 states and 12796 transitions. Word has length 96 [2018-12-03 06:33:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:00,969 INFO L480 AbstractCegarLoop]: Abstraction has 5775 states and 12796 transitions. [2018-12-03 06:33:00,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:33:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5775 states and 12796 transitions. [2018-12-03 06:33:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:00,973 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:00,973 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] [2018-12-03 06:33:00,973 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:00,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:00,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1105218985, now seen corresponding path program 1 times [2018-12-03 06:33:00,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:00,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:00,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:00,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:01,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:01,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:33:01,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:01,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:33:01,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:33:01,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:33:01,016 INFO L87 Difference]: Start difference. First operand 5775 states and 12796 transitions. Second operand 7 states. [2018-12-03 06:33:01,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:01,232 INFO L93 Difference]: Finished difference Result 7164 states and 15829 transitions. [2018-12-03 06:33:01,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 06:33:01,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-03 06:33:01,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:01,237 INFO L225 Difference]: With dead ends: 7164 [2018-12-03 06:33:01,237 INFO L226 Difference]: Without dead ends: 7164 [2018-12-03 06:33:01,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-12-03 06:33:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-12-03 06:33:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 6539. [2018-12-03 06:33:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6539 states. [2018-12-03 06:33:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6539 states to 6539 states and 14436 transitions. [2018-12-03 06:33:01,285 INFO L78 Accepts]: Start accepts. Automaton has 6539 states and 14436 transitions. Word has length 96 [2018-12-03 06:33:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:01,286 INFO L480 AbstractCegarLoop]: Abstraction has 6539 states and 14436 transitions. [2018-12-03 06:33:01,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:33:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6539 states and 14436 transitions. [2018-12-03 06:33:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:01,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:01,291 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] [2018-12-03 06:33:01,291 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:01,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:01,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1202266551, now seen corresponding path program 1 times [2018-12-03 06:33:01,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:01,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:01,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:01,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:01,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:01,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:01,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-03 06:33:01,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:01,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 06:33:01,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 06:33:01,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-03 06:33:01,397 INFO L87 Difference]: Start difference. First operand 6539 states and 14436 transitions. Second operand 12 states. [2018-12-03 06:33:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:01,974 INFO L93 Difference]: Finished difference Result 8049 states and 17668 transitions. [2018-12-03 06:33:01,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 06:33:01,975 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2018-12-03 06:33:01,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:01,980 INFO L225 Difference]: With dead ends: 8049 [2018-12-03 06:33:01,980 INFO L226 Difference]: Without dead ends: 8049 [2018-12-03 06:33:01,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2018-12-03 06:33:01,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2018-12-03 06:33:02,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 7060. [2018-12-03 06:33:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7060 states. [2018-12-03 06:33:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7060 states to 7060 states and 15564 transitions. [2018-12-03 06:33:02,035 INFO L78 Accepts]: Start accepts. Automaton has 7060 states and 15564 transitions. Word has length 96 [2018-12-03 06:33:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:02,035 INFO L480 AbstractCegarLoop]: Abstraction has 7060 states and 15564 transitions. [2018-12-03 06:33:02,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 06:33:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 7060 states and 15564 transitions. [2018-12-03 06:33:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:02,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:02,040 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] [2018-12-03 06:33:02,040 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:02,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:02,040 INFO L82 PathProgramCache]: Analyzing trace with hash -103411957, now seen corresponding path program 1 times [2018-12-03 06:33:02,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:02,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:02,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:02,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:02,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:02,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:02,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-03 06:33:02,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:02,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 06:33:02,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 06:33:02,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-03 06:33:02,136 INFO L87 Difference]: Start difference. First operand 7060 states and 15564 transitions. Second operand 11 states. [2018-12-03 06:33:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:03,053 INFO L93 Difference]: Finished difference Result 13396 states and 29830 transitions. [2018-12-03 06:33:03,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 06:33:03,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2018-12-03 06:33:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:03,059 INFO L225 Difference]: With dead ends: 13396 [2018-12-03 06:33:03,059 INFO L226 Difference]: Without dead ends: 8742 [2018-12-03 06:33:03,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-03 06:33:03,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8742 states. [2018-12-03 06:33:03,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8742 to 6582. [2018-12-03 06:33:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6582 states. [2018-12-03 06:33:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6582 states to 6582 states and 14467 transitions. [2018-12-03 06:33:03,111 INFO L78 Accepts]: Start accepts. Automaton has 6582 states and 14467 transitions. Word has length 96 [2018-12-03 06:33:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:03,111 INFO L480 AbstractCegarLoop]: Abstraction has 6582 states and 14467 transitions. [2018-12-03 06:33:03,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 06:33:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6582 states and 14467 transitions. [2018-12-03 06:33:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:03,115 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:03,116 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] [2018-12-03 06:33:03,116 INFO L423 AbstractCegarLoop]: === Iteration 35 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:03,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:03,116 INFO L82 PathProgramCache]: Analyzing trace with hash -775363790, now seen corresponding path program 1 times [2018-12-03 06:33:03,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:03,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:03,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:03,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:03,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:33:03,195 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:03,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:33:03,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:33:03,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:33:03,196 INFO L87 Difference]: Start difference. First operand 6582 states and 14467 transitions. Second operand 7 states. [2018-12-03 06:33:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:03,362 INFO L93 Difference]: Finished difference Result 8299 states and 18093 transitions. [2018-12-03 06:33:03,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 06:33:03,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-03 06:33:03,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:03,367 INFO L225 Difference]: With dead ends: 8299 [2018-12-03 06:33:03,367 INFO L226 Difference]: Without dead ends: 8263 [2018-12-03 06:33:03,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:33:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8263 states. [2018-12-03 06:33:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8263 to 6590. [2018-12-03 06:33:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-12-03 06:33:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 14469 transitions. [2018-12-03 06:33:03,425 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 14469 transitions. Word has length 96 [2018-12-03 06:33:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:03,425 INFO L480 AbstractCegarLoop]: Abstraction has 6590 states and 14469 transitions. [2018-12-03 06:33:03,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:33:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 14469 transitions. [2018-12-03 06:33:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:03,430 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:03,430 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] [2018-12-03 06:33:03,430 INFO L423 AbstractCegarLoop]: === Iteration 36 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:03,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:03,431 INFO L82 PathProgramCache]: Analyzing trace with hash 186250227, now seen corresponding path program 1 times [2018-12-03 06:33:03,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:03,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:03,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:03,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:03,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:33:03,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:03,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:33:03,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:33:03,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:33:03,477 INFO L87 Difference]: Start difference. First operand 6590 states and 14469 transitions. Second operand 6 states. [2018-12-03 06:33:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:03,631 INFO L93 Difference]: Finished difference Result 7816 states and 17224 transitions. [2018-12-03 06:33:03,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:33:03,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-12-03 06:33:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:03,636 INFO L225 Difference]: With dead ends: 7816 [2018-12-03 06:33:03,636 INFO L226 Difference]: Without dead ends: 7816 [2018-12-03 06:33:03,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:33:03,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7816 states. [2018-12-03 06:33:03,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7816 to 6766. [2018-12-03 06:33:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6766 states. [2018-12-03 06:33:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 14838 transitions. [2018-12-03 06:33:03,684 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 14838 transitions. Word has length 96 [2018-12-03 06:33:03,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:03,685 INFO L480 AbstractCegarLoop]: Abstraction has 6766 states and 14838 transitions. [2018-12-03 06:33:03,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:33:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 14838 transitions. [2018-12-03 06:33:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:03,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:03,689 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] [2018-12-03 06:33:03,689 INFO L423 AbstractCegarLoop]: === Iteration 37 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:03,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:03,690 INFO L82 PathProgramCache]: Analyzing trace with hash -164379470, now seen corresponding path program 1 times [2018-12-03 06:33:03,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:03,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:03,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:03,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:03,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:03,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 06:33:03,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:03,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 06:33:03,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 06:33:03,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:33:03,813 INFO L87 Difference]: Start difference. First operand 6766 states and 14838 transitions. Second operand 9 states. [2018-12-03 06:33:04,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:04,124 INFO L93 Difference]: Finished difference Result 8000 states and 17345 transitions. [2018-12-03 06:33:04,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 06:33:04,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-12-03 06:33:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:04,128 INFO L225 Difference]: With dead ends: 8000 [2018-12-03 06:33:04,129 INFO L226 Difference]: Without dead ends: 8000 [2018-12-03 06:33:04,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-03 06:33:04,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8000 states. [2018-12-03 06:33:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8000 to 7124. [2018-12-03 06:33:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7124 states. [2018-12-03 06:33:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7124 states to 7124 states and 15571 transitions. [2018-12-03 06:33:04,180 INFO L78 Accepts]: Start accepts. Automaton has 7124 states and 15571 transitions. Word has length 96 [2018-12-03 06:33:04,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:04,180 INFO L480 AbstractCegarLoop]: Abstraction has 7124 states and 15571 transitions. [2018-12-03 06:33:04,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 06:33:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand 7124 states and 15571 transitions. [2018-12-03 06:33:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:04,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:04,185 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] [2018-12-03 06:33:04,185 INFO L423 AbstractCegarLoop]: === Iteration 38 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:04,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:04,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1003094195, now seen corresponding path program 2 times [2018-12-03 06:33:04,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:04,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:04,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:04,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:04,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:04,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:04,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:33:04,256 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:04,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:33:04,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:33:04,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:33:04,256 INFO L87 Difference]: Start difference. First operand 7124 states and 15571 transitions. Second operand 7 states. [2018-12-03 06:33:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:04,371 INFO L93 Difference]: Finished difference Result 9248 states and 20338 transitions. [2018-12-03 06:33:04,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:33:04,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-03 06:33:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:04,377 INFO L225 Difference]: With dead ends: 9248 [2018-12-03 06:33:04,377 INFO L226 Difference]: Without dead ends: 9248 [2018-12-03 06:33:04,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-03 06:33:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9248 states. [2018-12-03 06:33:04,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9248 to 6461. [2018-12-03 06:33:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6461 states. [2018-12-03 06:33:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6461 states to 6461 states and 14079 transitions. [2018-12-03 06:33:04,433 INFO L78 Accepts]: Start accepts. Automaton has 6461 states and 14079 transitions. Word has length 96 [2018-12-03 06:33:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:04,433 INFO L480 AbstractCegarLoop]: Abstraction has 6461 states and 14079 transitions. [2018-12-03 06:33:04,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:33:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 6461 states and 14079 transitions. [2018-12-03 06:33:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:04,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:04,438 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] [2018-12-03 06:33:04,438 INFO L423 AbstractCegarLoop]: === Iteration 39 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:04,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:04,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1696195892, now seen corresponding path program 1 times [2018-12-03 06:33:04,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:04,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:04,439 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 06:33:04,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:04,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:33:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:33:04,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:33:04,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-03 06:33:04,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:33:04,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 06:33:04,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 06:33:04,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-12-03 06:33:04,522 INFO L87 Difference]: Start difference. First operand 6461 states and 14079 transitions. Second operand 11 states. [2018-12-03 06:33:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:33:04,953 INFO L93 Difference]: Finished difference Result 8369 states and 18338 transitions. [2018-12-03 06:33:04,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-03 06:33:04,953 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2018-12-03 06:33:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:33:04,959 INFO L225 Difference]: With dead ends: 8369 [2018-12-03 06:33:04,959 INFO L226 Difference]: Without dead ends: 8369 [2018-12-03 06:33:04,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2018-12-03 06:33:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states. [2018-12-03 06:33:05,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 6471. [2018-12-03 06:33:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6471 states. [2018-12-03 06:33:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 14100 transitions. [2018-12-03 06:33:05,025 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 14100 transitions. Word has length 96 [2018-12-03 06:33:05,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:33:05,025 INFO L480 AbstractCegarLoop]: Abstraction has 6471 states and 14100 transitions. [2018-12-03 06:33:05,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 06:33:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 14100 transitions. [2018-12-03 06:33:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-03 06:33:05,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:33:05,031 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] [2018-12-03 06:33:05,032 INFO L423 AbstractCegarLoop]: === Iteration 40 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:33:05,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:33:05,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1711267723, now seen corresponding path program 2 times [2018-12-03 06:33:05,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:33:05,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:05,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:33:05,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:33:05,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:33:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:33:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 06:33:05,076 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 06:33:05,172 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-03 06:33:05,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:33:05 BasicIcfg [2018-12-03 06:33:05,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:33:05,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:33:05,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:33:05,173 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:33:05,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:32:37" (3/4) ... [2018-12-03 06:33:05,175 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 06:33:05,260 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c54d06d5-fc49-4995-a76f-d79567a01bac/bin-2019/utaipan/witness.graphml [2018-12-03 06:33:05,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:33:05,261 INFO L168 Benchmark]: Toolchain (without parser) took 28532.83 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.3 GB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -346.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,262 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:33:05,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,262 INFO L168 Benchmark]: Boogie Preprocessor took 20.32 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. [2018-12-03 06:33:05,263 INFO L168 Benchmark]: RCFGBuilder took 358.61 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,263 INFO L168 Benchmark]: TraceAbstraction took 27686.15 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -254.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,263 INFO L168 Benchmark]: Witness Printer took 86.82 ms. Allocated memory is still 4.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:33:05,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.97 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.32 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 358.61 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27686.15 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -254.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * Witness Printer took 86.82 ms. Allocated memory is still 4.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L677] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L678] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L679] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L681] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L683] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L684] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L685] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L686] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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$r_buff0_thd0=0] [L687] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L688] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L689] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$r_buff1_thd0=0] [L690] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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$r_buff1_thd1=0] [L691] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L692] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L693] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$read_delayed_var={0:0}] [L694] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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$w_buff0=0] [L695] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L696] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L697] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L698] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L699] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 pthread_t t317; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L776] FCALL, FORK -1 pthread_create(&t317, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L703] 0 y$w_buff1 = y$w_buff0 [L704] 0 y$w_buff0 = 1 [L705] 0 y$w_buff1_used = y$w_buff0_used [L706] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L777] -1 pthread_t t318; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L708] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L709] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L710] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L711] 0 y$r_buff0_thd1 = (_Bool)1 [L714] 0 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L778] FCALL, FORK -1 pthread_create(&t318, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L731] 1 x = 1 [L734] 1 __unbuffered_p1_EAX = x [L737] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L738] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L739] 1 y$flush_delayed = weak$$choice2 [L740] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L742] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L743] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L744] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L745] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L745] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L747] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L748] 1 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] 1 y = y$flush_delayed ? y$mem_tmp : y [L750] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L753] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L754] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L756] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L757] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L720] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L720] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L721] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L721] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L724] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 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=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 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=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] -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) [L785] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L785] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L786] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L786] -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 [L787] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L787] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L788] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L788] -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 [L791] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 223 locations, 3 error locations. UNSAFE Result, 27.5s OverallTime, 40 OverallIterations, 1 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11060 SDtfs, 12577 SDslu, 28195 SDs, 0 SdLazy, 13357 SolverSat, 580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 104 SyntacticMatches, 41 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74881occurred in iteration=6, 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: 10.7s AutomataMinimizationTime, 39 MinimizatonAttempts, 191084 StatesRemovedByMinimization, 39 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3066 NumberOfCodeBlocks, 3066 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2931 ConstructedInterpolants, 0 QuantifiedInterpolants, 735038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 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...