./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix048_power.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_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix048_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/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 c88209b3564783ebaa2d42e07eee3e73d9d82921 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-08 18:38:57,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:38:57,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:38:57,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:38:57,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:38:57,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:38:57,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:38:57,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:38:57,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:38:57,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:38:57,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:38:57,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:38:57,017 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:38:57,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:38:57,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:38:57,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:38:57,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:38:57,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:38:57,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:38:57,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:38:57,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:38:57,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:38:57,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:38:57,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:38:57,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:38:57,024 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:38:57,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:38:57,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:38:57,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:38:57,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:38:57,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:38:57,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:38:57,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:38:57,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:38:57,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:38:57,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:38:57,027 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:38:57,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:38:57,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:38:57,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:38:57,035 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:38:57,035 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:38:57,035 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:38:57,035 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:38:57,035 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:38:57,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:38:57,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:38:57,037 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:38:57,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:38:57,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:38:57,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:38:57,038 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_56a0bf48-9170-497a-b7f0-3bce9f7b2574/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 -> c88209b3564783ebaa2d42e07eee3e73d9d82921 [2018-12-08 18:38:57,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:38:57,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:38:57,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:38:57,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:38:57,064 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:38:57,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix048_power.opt_false-unreach-call.i [2018-12-08 18:38:57,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/data/7bffdedaf/6870e264538f43e1869f60f9498fc089/FLAGd5685f8e3 [2018-12-08 18:38:57,556 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:38:57,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/sv-benchmarks/c/pthread-wmm/mix048_power.opt_false-unreach-call.i [2018-12-08 18:38:57,564 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/data/7bffdedaf/6870e264538f43e1869f60f9498fc089/FLAGd5685f8e3 [2018-12-08 18:38:57,572 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/data/7bffdedaf/6870e264538f43e1869f60f9498fc089 [2018-12-08 18:38:57,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:38:57,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:38:57,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:38:57,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:38:57,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:38:57,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57, skipping insertion in model container [2018-12-08 18:38:57,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:38:57,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:38:57,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:38:57,786 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:38:57,871 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:38:57,906 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:38:57,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57 WrapperNode [2018-12-08 18:38:57,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:38:57,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:38:57,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:38:57,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:38:57,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:38:57,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:38:57,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:38:57,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:38:57,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... [2018-12-08 18:38:57,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:38:57,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:38:57,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:38:57,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:38:57,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/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 [2018-12-08 18:38:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:38:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:38:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 18:38:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:38:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 18:38:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 18:38:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 18:38:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 18:38:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 18:38:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:38:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:38:58,006 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 18:38:58,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:38:58,296 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 18:38:58,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:38:58 BoogieIcfgContainer [2018-12-08 18:38:58,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:38:58,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:38:58,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:38:58,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:38:58,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:38:57" (1/3) ... [2018-12-08 18:38:58,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb6b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:38:58, skipping insertion in model container [2018-12-08 18:38:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:38:57" (2/3) ... [2018-12-08 18:38:58,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb6b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:38:58, skipping insertion in model container [2018-12-08 18:38:58,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:38:58" (3/3) ... [2018-12-08 18:38:58,301 INFO L112 eAbstractionObserver]: Analyzing ICFG mix048_power.opt_false-unreach-call.i [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,330 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,331 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,333 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,335 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,337 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,338 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,339 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,340 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:38:58,345 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 18:38:58,345 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:38:58,350 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 18:38:58,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 18:38:58,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:38:58,377 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:38:58,377 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:38:58,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:38:58,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:38:58,377 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:38:58,377 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:38:58,377 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:38:58,385 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-08 18:38:59,840 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-08 18:38:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-08 18:38:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 18:38:59,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:38:59,847 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] [2018-12-08 18:38:59,848 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:38:59,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:38:59,852 INFO L82 PathProgramCache]: Analyzing trace with hash -454041356, now seen corresponding path program 1 times [2018-12-08 18:38:59,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:38:59,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:38:59,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:38:59,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:38:59,889 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:38:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:38:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:38:59,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:38:59,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:38:59,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:00,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:00,011 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-08 18:39:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:00,465 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-08 18:39:00,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:39:00,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-08 18:39:00,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:00,631 INFO L225 Difference]: With dead ends: 60790 [2018-12-08 18:39:00,632 INFO L226 Difference]: Without dead ends: 44270 [2018-12-08 18:39:00,633 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 [2018-12-08 18:39:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-08 18:39:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-08 18:39:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-08 18:39:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-08 18:39:01,377 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-08 18:39:01,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:01,377 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-08 18:39:01,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-08 18:39:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 18:39:01,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:01,382 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:01,382 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:01,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:01,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1863363909, now seen corresponding path program 1 times [2018-12-08 18:39:01,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:01,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:01,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:01,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:01,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:01,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:01,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:39:01,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:01,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:01,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:01,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:01,434 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-08 18:39:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:01,501 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-08 18:39:01,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:39:01,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-08 18:39:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:01,517 INFO L225 Difference]: With dead ends: 8528 [2018-12-08 18:39:01,518 INFO L226 Difference]: Without dead ends: 7466 [2018-12-08 18:39:01,518 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 [2018-12-08 18:39:01,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-08 18:39:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-08 18:39:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-08 18:39:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-08 18:39:01,604 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-08 18:39:01,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:01,604 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-08 18:39:01,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-08 18:39:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 18:39:01,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:01,605 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] [2018-12-08 18:39:01,606 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:01,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:01,606 INFO L82 PathProgramCache]: Analyzing trace with hash 591681941, now seen corresponding path program 1 times [2018-12-08 18:39:01,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:01,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:01,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:01,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:01,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:01,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:01,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:01,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:01,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:01,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:01,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:01,669 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-08 18:39:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:01,875 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-08 18:39:01,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:01,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-08 18:39:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:01,892 INFO L225 Difference]: With dead ends: 13998 [2018-12-08 18:39:01,892 INFO L226 Difference]: Without dead ends: 13930 [2018-12-08 18:39:01,892 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 [2018-12-08 18:39:01,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-08 18:39:02,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-08 18:39:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-08 18:39:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-08 18:39:02,095 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-08 18:39:02,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:02,096 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-08 18:39:02,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-08 18:39:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 18:39:02,097 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:02,097 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:02,097 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:02,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:02,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1652121253, now seen corresponding path program 1 times [2018-12-08 18:39:02,097 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:02,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:02,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:02,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:02,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:39:02,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:02,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:39:02,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:39:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:39:02,128 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-08 18:39:02,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:02,176 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-08 18:39:02,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:39:02,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-08 18:39:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:02,191 INFO L225 Difference]: With dead ends: 13279 [2018-12-08 18:39:02,191 INFO L226 Difference]: Without dead ends: 13279 [2018-12-08 18:39:02,192 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 [2018-12-08 18:39:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-08 18:39:02,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-08 18:39:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-08 18:39:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-08 18:39:02,310 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-08 18:39:02,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:02,310 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-08 18:39:02,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:39:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-08 18:39:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:39:02,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:02,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:02,312 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:02,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:02,312 INFO L82 PathProgramCache]: Analyzing trace with hash -164023066, now seen corresponding path program 1 times [2018-12-08 18:39:02,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:02,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:02,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:02,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:02,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:39:02,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:02,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:39:02,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:39:02,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:02,377 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-08 18:39:02,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:02,762 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-08 18:39:02,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 18:39:02,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 18:39:02,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:02,775 INFO L225 Difference]: With dead ends: 12285 [2018-12-08 18:39:02,775 INFO L226 Difference]: Without dead ends: 12213 [2018-12-08 18:39:02,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-08 18:39:02,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-08 18:39:02,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-08 18:39:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-08 18:39:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-08 18:39:02,899 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-08 18:39:02,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:02,899 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-08 18:39:02,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:39:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-08 18:39:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:39:02,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:02,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:02,903 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:02,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:02,904 INFO L82 PathProgramCache]: Analyzing trace with hash 317195842, now seen corresponding path program 1 times [2018-12-08 18:39:02,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:02,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:02,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:02,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:39:02,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:02,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:02,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:02,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:02,948 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-08 18:39:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:03,026 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-08 18:39:03,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:39:03,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-08 18:39:03,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:03,040 INFO L225 Difference]: With dead ends: 12396 [2018-12-08 18:39:03,040 INFO L226 Difference]: Without dead ends: 12396 [2018-12-08 18:39:03,040 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 [2018-12-08 18:39:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-08 18:39:03,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-08 18:39:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-08 18:39:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-08 18:39:03,172 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-08 18:39:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:03,172 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-08 18:39:03,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-08 18:39:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:39:03,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:03,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:03,176 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:03,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2060006177, now seen corresponding path program 1 times [2018-12-08 18:39:03,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:03,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:03,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:03,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:03,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:03,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:03,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:39:03,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:03,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:39:03,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:39:03,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:39:03,250 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-08 18:39:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:03,596 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-08 18:39:03,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 18:39:03,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-08 18:39:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:03,618 INFO L225 Difference]: With dead ends: 20969 [2018-12-08 18:39:03,618 INFO L226 Difference]: Without dead ends: 20898 [2018-12-08 18:39:03,618 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 [2018-12-08 18:39:03,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-08 18:39:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-08 18:39:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-08 18:39:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-08 18:39:03,789 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-08 18:39:03,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:03,789 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-08 18:39:03,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:39:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-08 18:39:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 18:39:03,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:03,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:03,794 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:03,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:03,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1699576415, now seen corresponding path program 1 times [2018-12-08 18:39:03,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:03,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:03,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:03,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:03,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:03,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:03,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:39:03,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:03,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:03,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:03,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:03,847 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-08 18:39:04,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:04,037 INFO L93 Difference]: Finished difference Result 17635 states and 54585 transitions. [2018-12-08 18:39:04,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:39:04,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-08 18:39:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:04,056 INFO L225 Difference]: With dead ends: 17635 [2018-12-08 18:39:04,056 INFO L226 Difference]: Without dead ends: 17635 [2018-12-08 18:39:04,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:04,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17635 states. [2018-12-08 18:39:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17635 to 15793. [2018-12-08 18:39:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15793 states. [2018-12-08 18:39:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15793 states to 15793 states and 49131 transitions. [2018-12-08 18:39:04,225 INFO L78 Accepts]: Start accepts. Automaton has 15793 states and 49131 transitions. Word has length 64 [2018-12-08 18:39:04,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:04,225 INFO L480 AbstractCegarLoop]: Abstraction has 15793 states and 49131 transitions. [2018-12-08 18:39:04,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 15793 states and 49131 transitions. [2018-12-08 18:39:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 18:39:04,229 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:04,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:04,230 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:04,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:04,230 INFO L82 PathProgramCache]: Analyzing trace with hash -377632928, now seen corresponding path program 1 times [2018-12-08 18:39:04,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:04,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:04,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:04,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:04,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:04,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:04,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:39:04,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:04,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:39:04,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:39:04,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:39:04,263 INFO L87 Difference]: Start difference. First operand 15793 states and 49131 transitions. Second operand 3 states. [2018-12-08 18:39:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:04,399 INFO L93 Difference]: Finished difference Result 16385 states and 50738 transitions. [2018-12-08 18:39:04,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:39:04,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-08 18:39:04,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:04,417 INFO L225 Difference]: With dead ends: 16385 [2018-12-08 18:39:04,417 INFO L226 Difference]: Without dead ends: 16385 [2018-12-08 18:39:04,417 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 [2018-12-08 18:39:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16385 states. [2018-12-08 18:39:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16385 to 16109. [2018-12-08 18:39:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-12-08 18:39:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 49981 transitions. [2018-12-08 18:39:04,577 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 49981 transitions. Word has length 64 [2018-12-08 18:39:04,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:04,578 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 49981 transitions. [2018-12-08 18:39:04,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:39:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 49981 transitions. [2018-12-08 18:39:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:04,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:04,583 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:04,584 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:04,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:04,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1938632710, now seen corresponding path program 1 times [2018-12-08 18:39:04,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:04,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:04,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:04,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:04,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:04,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:04,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:39:04,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:04,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:39:04,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:39:04,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:39:04,740 INFO L87 Difference]: Start difference. First operand 16109 states and 49981 transitions. Second operand 6 states. [2018-12-08 18:39:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:05,330 INFO L93 Difference]: Finished difference Result 19821 states and 60437 transitions. [2018-12-08 18:39:05,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:05,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-08 18:39:05,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:05,356 INFO L225 Difference]: With dead ends: 19821 [2018-12-08 18:39:05,356 INFO L226 Difference]: Without dead ends: 19821 [2018-12-08 18:39:05,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2018-12-08 18:39:05,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 18617. [2018-12-08 18:39:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18617 states. [2018-12-08 18:39:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 57217 transitions. [2018-12-08 18:39:05,544 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 57217 transitions. Word has length 66 [2018-12-08 18:39:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:05,544 INFO L480 AbstractCegarLoop]: Abstraction has 18617 states and 57217 transitions. [2018-12-08 18:39:05,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:39:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 57217 transitions. [2018-12-08 18:39:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:05,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:05,551 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:05,551 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:05,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:05,551 INFO L82 PathProgramCache]: Analyzing trace with hash -138576633, now seen corresponding path program 1 times [2018-12-08 18:39:05,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:05,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:05,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:05,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:05,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:05,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:05,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:39:05,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:05,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:39:05,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:39:05,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:39:05,651 INFO L87 Difference]: Start difference. First operand 18617 states and 57217 transitions. Second operand 6 states. [2018-12-08 18:39:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:05,971 INFO L93 Difference]: Finished difference Result 21449 states and 63626 transitions. [2018-12-08 18:39:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:39:05,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-08 18:39:05,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:05,999 INFO L225 Difference]: With dead ends: 21449 [2018-12-08 18:39:05,999 INFO L226 Difference]: Without dead ends: 21449 [2018-12-08 18:39:05,999 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 [2018-12-08 18:39:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2018-12-08 18:39:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 19133. [2018-12-08 18:39:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19133 states. [2018-12-08 18:39:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19133 states to 19133 states and 57764 transitions. [2018-12-08 18:39:06,200 INFO L78 Accepts]: Start accepts. Automaton has 19133 states and 57764 transitions. Word has length 66 [2018-12-08 18:39:06,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:06,201 INFO L480 AbstractCegarLoop]: Abstraction has 19133 states and 57764 transitions. [2018-12-08 18:39:06,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:39:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 19133 states and 57764 transitions. [2018-12-08 18:39:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:06,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:06,207 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:06,207 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:06,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:06,208 INFO L82 PathProgramCache]: Analyzing trace with hash 72774280, now seen corresponding path program 1 times [2018-12-08 18:39:06,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:06,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:06,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:06,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:06,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:06,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:06,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:06,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:06,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:06,258 INFO L87 Difference]: Start difference. First operand 19133 states and 57764 transitions. Second operand 5 states. [2018-12-08 18:39:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:06,484 INFO L93 Difference]: Finished difference Result 25024 states and 75018 transitions. [2018-12-08 18:39:06,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:06,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-08 18:39:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:06,512 INFO L225 Difference]: With dead ends: 25024 [2018-12-08 18:39:06,512 INFO L226 Difference]: Without dead ends: 25024 [2018-12-08 18:39:06,512 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 [2018-12-08 18:39:06,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25024 states. [2018-12-08 18:39:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25024 to 22709. [2018-12-08 18:39:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22709 states. [2018-12-08 18:39:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22709 states to 22709 states and 68032 transitions. [2018-12-08 18:39:06,772 INFO L78 Accepts]: Start accepts. Automaton has 22709 states and 68032 transitions. Word has length 66 [2018-12-08 18:39:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:06,772 INFO L480 AbstractCegarLoop]: Abstraction has 22709 states and 68032 transitions. [2018-12-08 18:39:06,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 22709 states and 68032 transitions. [2018-12-08 18:39:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:06,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:06,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:06,780 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:06,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:06,781 INFO L82 PathProgramCache]: Analyzing trace with hash -437759897, now seen corresponding path program 1 times [2018-12-08 18:39:06,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:06,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:06,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:06,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:06,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:06,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:06,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:39:06,823 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:06,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:06,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:06,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:06,824 INFO L87 Difference]: Start difference. First operand 22709 states and 68032 transitions. Second operand 4 states. [2018-12-08 18:39:07,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:07,258 INFO L93 Difference]: Finished difference Result 31689 states and 95699 transitions. [2018-12-08 18:39:07,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:39:07,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-08 18:39:07,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:07,291 INFO L225 Difference]: With dead ends: 31689 [2018-12-08 18:39:07,291 INFO L226 Difference]: Without dead ends: 31537 [2018-12-08 18:39:07,291 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 [2018-12-08 18:39:07,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31537 states. [2018-12-08 18:39:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31537 to 28553. [2018-12-08 18:39:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28553 states. [2018-12-08 18:39:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28553 states to 28553 states and 86263 transitions. [2018-12-08 18:39:07,610 INFO L78 Accepts]: Start accepts. Automaton has 28553 states and 86263 transitions. Word has length 66 [2018-12-08 18:39:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:07,610 INFO L480 AbstractCegarLoop]: Abstraction has 28553 states and 86263 transitions. [2018-12-08 18:39:07,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28553 states and 86263 transitions. [2018-12-08 18:39:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:07,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:07,622 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:07,623 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:07,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:07,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1369694566, now seen corresponding path program 1 times [2018-12-08 18:39:07,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:07,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:07,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:07,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:07,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:07,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:07,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:07,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:07,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:07,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:07,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:07,683 INFO L87 Difference]: Start difference. First operand 28553 states and 86263 transitions. Second operand 5 states. [2018-12-08 18:39:07,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:07,986 INFO L93 Difference]: Finished difference Result 40195 states and 119844 transitions. [2018-12-08 18:39:07,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:39:07,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-08 18:39:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:08,031 INFO L225 Difference]: With dead ends: 40195 [2018-12-08 18:39:08,032 INFO L226 Difference]: Without dead ends: 39987 [2018-12-08 18:39:08,032 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 [2018-12-08 18:39:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39987 states. [2018-12-08 18:39:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39987 to 35807. [2018-12-08 18:39:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-08 18:39:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-08 18:39:08,431 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-08 18:39:08,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:08,431 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-08 18:39:08,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-08 18:39:08,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:08,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:08,440 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:08,440 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:08,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:08,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2060256040, now seen corresponding path program 1 times [2018-12-08 18:39:08,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:08,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:08,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:08,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:08,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:08,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:08,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:39:08,519 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:08,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:39:08,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:39:08,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:08,520 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 7 states. [2018-12-08 18:39:08,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:08,834 INFO L93 Difference]: Finished difference Result 31667 states and 90728 transitions. [2018-12-08 18:39:08,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 18:39:08,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 18:39:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:08,918 INFO L225 Difference]: With dead ends: 31667 [2018-12-08 18:39:08,918 INFO L226 Difference]: Without dead ends: 31667 [2018-12-08 18:39:08,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-08 18:39:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31667 states. [2018-12-08 18:39:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31667 to 25460. [2018-12-08 18:39:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25460 states. [2018-12-08 18:39:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25460 states to 25460 states and 73006 transitions. [2018-12-08 18:39:09,171 INFO L78 Accepts]: Start accepts. Automaton has 25460 states and 73006 transitions. Word has length 66 [2018-12-08 18:39:09,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:09,171 INFO L480 AbstractCegarLoop]: Abstraction has 25460 states and 73006 transitions. [2018-12-08 18:39:09,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:39:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 25460 states and 73006 transitions. [2018-12-08 18:39:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:09,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:09,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:09,178 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:09,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:09,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1347207575, now seen corresponding path program 1 times [2018-12-08 18:39:09,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:09,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:09,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:09,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:09,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:09,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:09,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:09,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:09,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:09,204 INFO L87 Difference]: Start difference. First operand 25460 states and 73006 transitions. Second operand 5 states. [2018-12-08 18:39:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:09,241 INFO L93 Difference]: Finished difference Result 7460 states and 17978 transitions. [2018-12-08 18:39:09,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:39:09,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-08 18:39:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:09,246 INFO L225 Difference]: With dead ends: 7460 [2018-12-08 18:39:09,246 INFO L226 Difference]: Without dead ends: 6135 [2018-12-08 18:39:09,246 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 [2018-12-08 18:39:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2018-12-08 18:39:09,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 5529. [2018-12-08 18:39:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5529 states. [2018-12-08 18:39:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 5529 states and 12867 transitions. [2018-12-08 18:39:09,284 INFO L78 Accepts]: Start accepts. Automaton has 5529 states and 12867 transitions. Word has length 66 [2018-12-08 18:39:09,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:09,284 INFO L480 AbstractCegarLoop]: Abstraction has 5529 states and 12867 transitions. [2018-12-08 18:39:09,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 12867 transitions. [2018-12-08 18:39:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 18:39:09,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:09,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:09,287 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:09,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:09,287 INFO L82 PathProgramCache]: Analyzing trace with hash 890203314, now seen corresponding path program 1 times [2018-12-08 18:39:09,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:09,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:09,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:09,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:09,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:39:09,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:09,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:39:09,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:39:09,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:39:09,303 INFO L87 Difference]: Start difference. First operand 5529 states and 12867 transitions. Second operand 3 states. [2018-12-08 18:39:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:09,324 INFO L93 Difference]: Finished difference Result 7165 states and 16473 transitions. [2018-12-08 18:39:09,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:39:09,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-08 18:39:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:09,330 INFO L225 Difference]: With dead ends: 7165 [2018-12-08 18:39:09,330 INFO L226 Difference]: Without dead ends: 7165 [2018-12-08 18:39:09,330 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 [2018-12-08 18:39:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2018-12-08 18:39:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5468. [2018-12-08 18:39:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5468 states. [2018-12-08 18:39:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 12407 transitions. [2018-12-08 18:39:09,376 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 12407 transitions. Word has length 66 [2018-12-08 18:39:09,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:09,376 INFO L480 AbstractCegarLoop]: Abstraction has 5468 states and 12407 transitions. [2018-12-08 18:39:09,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:39:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 12407 transitions. [2018-12-08 18:39:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 18:39:09,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:09,379 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:09,380 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:09,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:09,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1181781029, now seen corresponding path program 1 times [2018-12-08 18:39:09,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:09,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:09,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:09,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:09,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:09,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:09,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:09,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:09,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:09,418 INFO L87 Difference]: Start difference. First operand 5468 states and 12407 transitions. Second operand 5 states. [2018-12-08 18:39:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:09,512 INFO L93 Difference]: Finished difference Result 6622 states and 15012 transitions. [2018-12-08 18:39:09,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:39:09,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-08 18:39:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:09,516 INFO L225 Difference]: With dead ends: 6622 [2018-12-08 18:39:09,516 INFO L226 Difference]: Without dead ends: 6622 [2018-12-08 18:39:09,517 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 [2018-12-08 18:39:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2018-12-08 18:39:09,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 5912. [2018-12-08 18:39:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2018-12-08 18:39:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 13411 transitions. [2018-12-08 18:39:09,556 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 13411 transitions. Word has length 72 [2018-12-08 18:39:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:09,556 INFO L480 AbstractCegarLoop]: Abstraction has 5912 states and 13411 transitions. [2018-12-08 18:39:09,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 13411 transitions. [2018-12-08 18:39:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 18:39:09,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:09,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:09,560 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:09,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1370375932, now seen corresponding path program 1 times [2018-12-08 18:39:09,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:09,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:09,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:09,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:09,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:39:09,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:09,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:39:09,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:39:09,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:39:09,653 INFO L87 Difference]: Start difference. First operand 5912 states and 13411 transitions. Second operand 9 states. [2018-12-08 18:39:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:09,931 INFO L93 Difference]: Finished difference Result 7374 states and 16560 transitions. [2018-12-08 18:39:09,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:39:09,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-08 18:39:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:09,936 INFO L225 Difference]: With dead ends: 7374 [2018-12-08 18:39:09,936 INFO L226 Difference]: Without dead ends: 7272 [2018-12-08 18:39:09,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-08 18:39:09,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-12-08 18:39:09,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 6009. [2018-12-08 18:39:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6009 states. [2018-12-08 18:39:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 13504 transitions. [2018-12-08 18:39:09,980 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 13504 transitions. Word has length 72 [2018-12-08 18:39:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:09,980 INFO L480 AbstractCegarLoop]: Abstraction has 6009 states and 13504 transitions. [2018-12-08 18:39:09,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:39:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 13504 transitions. [2018-12-08 18:39:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 18:39:09,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:09,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:09,984 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:09,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:09,984 INFO L82 PathProgramCache]: Analyzing trace with hash 717362505, now seen corresponding path program 1 times [2018-12-08 18:39:09,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:09,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:09,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:09,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:10,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:10,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:39:10,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:10,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:39:10,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:39:10,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:10,042 INFO L87 Difference]: Start difference. First operand 6009 states and 13504 transitions. Second operand 7 states. [2018-12-08 18:39:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:10,458 INFO L93 Difference]: Finished difference Result 7489 states and 16833 transitions. [2018-12-08 18:39:10,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:10,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-08 18:39:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:10,464 INFO L225 Difference]: With dead ends: 7489 [2018-12-08 18:39:10,464 INFO L226 Difference]: Without dead ends: 7489 [2018-12-08 18:39:10,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2018-12-08 18:39:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 6149. [2018-12-08 18:39:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6149 states. [2018-12-08 18:39:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 13892 transitions. [2018-12-08 18:39:10,512 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 13892 transitions. Word has length 93 [2018-12-08 18:39:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:10,512 INFO L480 AbstractCegarLoop]: Abstraction has 6149 states and 13892 transitions. [2018-12-08 18:39:10,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:39:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 13892 transitions. [2018-12-08 18:39:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 18:39:10,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:10,516 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:10,516 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:10,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:10,517 INFO L82 PathProgramCache]: Analyzing trace with hash -116879890, now seen corresponding path program 1 times [2018-12-08 18:39:10,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:10,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:10,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:10,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:10,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:39:10,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:10,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:39:10,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:39:10,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:39:10,547 INFO L87 Difference]: Start difference. First operand 6149 states and 13892 transitions. Second operand 4 states. [2018-12-08 18:39:10,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:10,617 INFO L93 Difference]: Finished difference Result 7316 states and 16390 transitions. [2018-12-08 18:39:10,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:39:10,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-08 18:39:10,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:10,624 INFO L225 Difference]: With dead ends: 7316 [2018-12-08 18:39:10,624 INFO L226 Difference]: Without dead ends: 7316 [2018-12-08 18:39:10,624 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 [2018-12-08 18:39:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7316 states. [2018-12-08 18:39:10,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7316 to 6506. [2018-12-08 18:39:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6506 states. [2018-12-08 18:39:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 14662 transitions. [2018-12-08 18:39:10,690 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 14662 transitions. Word has length 93 [2018-12-08 18:39:10,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:10,690 INFO L480 AbstractCegarLoop]: Abstraction has 6506 states and 14662 transitions. [2018-12-08 18:39:10,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:39:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 14662 transitions. [2018-12-08 18:39:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:10,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:10,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:10,695 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:10,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:10,695 INFO L82 PathProgramCache]: Analyzing trace with hash -371913804, now seen corresponding path program 1 times [2018-12-08 18:39:10,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:10,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:10,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:10,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:10,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:39:10,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:10,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:39:10,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:39:10,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:39:10,729 INFO L87 Difference]: Start difference. First operand 6506 states and 14662 transitions. Second operand 5 states. [2018-12-08 18:39:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:10,793 INFO L93 Difference]: Finished difference Result 7013 states and 15750 transitions. [2018-12-08 18:39:10,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:10,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-12-08 18:39:10,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:10,800 INFO L225 Difference]: With dead ends: 7013 [2018-12-08 18:39:10,800 INFO L226 Difference]: Without dead ends: 7013 [2018-12-08 18:39:10,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7013 states. [2018-12-08 18:39:10,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7013 to 5402. [2018-12-08 18:39:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5402 states. [2018-12-08 18:39:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 12178 transitions. [2018-12-08 18:39:10,859 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 12178 transitions. Word has length 95 [2018-12-08 18:39:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:10,860 INFO L480 AbstractCegarLoop]: Abstraction has 5402 states and 12178 transitions. [2018-12-08 18:39:10,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:39:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 12178 transitions. [2018-12-08 18:39:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:10,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:10,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:10,864 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:10,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:10,864 INFO L82 PathProgramCache]: Analyzing trace with hash -360597677, now seen corresponding path program 1 times [2018-12-08 18:39:10,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:10,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:10,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:10,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:10,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:10,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 18:39:10,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:10,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 18:39:10,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 18:39:10,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:39:10,998 INFO L87 Difference]: Start difference. First operand 5402 states and 12178 transitions. Second operand 11 states. [2018-12-08 18:39:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:11,811 INFO L93 Difference]: Finished difference Result 7780 states and 17289 transitions. [2018-12-08 18:39:11,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 18:39:11,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-08 18:39:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:11,817 INFO L225 Difference]: With dead ends: 7780 [2018-12-08 18:39:11,817 INFO L226 Difference]: Without dead ends: 7748 [2018-12-08 18:39:11,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-12-08 18:39:11,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7748 states. [2018-12-08 18:39:11,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7748 to 6075. [2018-12-08 18:39:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6075 states. [2018-12-08 18:39:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6075 states to 6075 states and 13575 transitions. [2018-12-08 18:39:11,879 INFO L78 Accepts]: Start accepts. Automaton has 6075 states and 13575 transitions. Word has length 95 [2018-12-08 18:39:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:11,879 INFO L480 AbstractCegarLoop]: Abstraction has 6075 states and 13575 transitions. [2018-12-08 18:39:11,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 18:39:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 13575 transitions. [2018-12-08 18:39:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:11,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:11,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:11,883 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:11,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:11,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1550303339, now seen corresponding path program 1 times [2018-12-08 18:39:11,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:11,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:11,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:11,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:11,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:11,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:11,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:39:11,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:11,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:39:11,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:39:11,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:39:11,996 INFO L87 Difference]: Start difference. First operand 6075 states and 13575 transitions. Second operand 9 states. [2018-12-08 18:39:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:12,352 INFO L93 Difference]: Finished difference Result 7670 states and 16959 transitions. [2018-12-08 18:39:12,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 18:39:12,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-08 18:39:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:12,356 INFO L225 Difference]: With dead ends: 7670 [2018-12-08 18:39:12,356 INFO L226 Difference]: Without dead ends: 7670 [2018-12-08 18:39:12,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-12-08 18:39:12,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7670 states. [2018-12-08 18:39:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7670 to 6328. [2018-12-08 18:39:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2018-12-08 18:39:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 14116 transitions. [2018-12-08 18:39:12,399 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 14116 transitions. Word has length 95 [2018-12-08 18:39:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:12,399 INFO L480 AbstractCegarLoop]: Abstraction has 6328 states and 14116 transitions. [2018-12-08 18:39:12,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:39:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 14116 transitions. [2018-12-08 18:39:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:12,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:12,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:12,403 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:12,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:12,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2068511189, now seen corresponding path program 1 times [2018-12-08 18:39:12,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:12,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:12,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:12,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:12,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:12,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:12,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:39:12,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:12,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:39:12,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:39:12,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:39:12,502 INFO L87 Difference]: Start difference. First operand 6328 states and 14116 transitions. Second operand 9 states. [2018-12-08 18:39:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:12,751 INFO L93 Difference]: Finished difference Result 7158 states and 15950 transitions. [2018-12-08 18:39:12,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 18:39:12,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-08 18:39:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:12,756 INFO L225 Difference]: With dead ends: 7158 [2018-12-08 18:39:12,756 INFO L226 Difference]: Without dead ends: 7121 [2018-12-08 18:39:12,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-08 18:39:12,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2018-12-08 18:39:12,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 6029. [2018-12-08 18:39:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6029 states. [2018-12-08 18:39:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6029 states to 6029 states and 13450 transitions. [2018-12-08 18:39:12,798 INFO L78 Accepts]: Start accepts. Automaton has 6029 states and 13450 transitions. Word has length 95 [2018-12-08 18:39:12,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:12,798 INFO L480 AbstractCegarLoop]: Abstraction has 6029 states and 13450 transitions. [2018-12-08 18:39:12,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:39:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 6029 states and 13450 transitions. [2018-12-08 18:39:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:12,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:12,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:12,802 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:12,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:12,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1338952426, now seen corresponding path program 1 times [2018-12-08 18:39:12,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:12,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:12,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:12,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:12,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:12,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:12,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 18:39:12,889 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:12,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 18:39:12,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 18:39:12,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:39:12,890 INFO L87 Difference]: Start difference. First operand 6029 states and 13450 transitions. Second operand 11 states. [2018-12-08 18:39:13,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:13,693 INFO L93 Difference]: Finished difference Result 11238 states and 25249 transitions. [2018-12-08 18:39:13,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:39:13,693 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-08 18:39:13,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:13,698 INFO L225 Difference]: With dead ends: 11238 [2018-12-08 18:39:13,699 INFO L226 Difference]: Without dead ends: 7673 [2018-12-08 18:39:13,699 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 [2018-12-08 18:39:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7673 states. [2018-12-08 18:39:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7673 to 5863. [2018-12-08 18:39:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5863 states. [2018-12-08 18:39:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 5863 states and 13048 transitions. [2018-12-08 18:39:13,744 INFO L78 Accepts]: Start accepts. Automaton has 5863 states and 13048 transitions. Word has length 95 [2018-12-08 18:39:13,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:13,744 INFO L480 AbstractCegarLoop]: Abstraction has 5863 states and 13048 transitions. [2018-12-08 18:39:13,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 18:39:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 13048 transitions. [2018-12-08 18:39:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:13,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:13,748 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:13,749 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:13,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:13,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1071746382, now seen corresponding path program 1 times [2018-12-08 18:39:13,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:13,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:13,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:13,750 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:13,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:13,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:39:13,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:13,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:39:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:39:13,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:39:13,816 INFO L87 Difference]: Start difference. First operand 5863 states and 13048 transitions. Second operand 6 states. [2018-12-08 18:39:13,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:13,899 INFO L93 Difference]: Finished difference Result 6687 states and 14678 transitions. [2018-12-08 18:39:13,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:13,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-08 18:39:13,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:13,903 INFO L225 Difference]: With dead ends: 6687 [2018-12-08 18:39:13,903 INFO L226 Difference]: Without dead ends: 6630 [2018-12-08 18:39:13,903 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 [2018-12-08 18:39:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-12-08 18:39:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 5938. [2018-12-08 18:39:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5938 states. [2018-12-08 18:39:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 13074 transitions. [2018-12-08 18:39:13,943 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 13074 transitions. Word has length 95 [2018-12-08 18:39:13,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:13,943 INFO L480 AbstractCegarLoop]: Abstraction has 5938 states and 13074 transitions. [2018-12-08 18:39:13,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:39:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 13074 transitions. [2018-12-08 18:39:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:13,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:13,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:13,947 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:13,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:13,948 INFO L82 PathProgramCache]: Analyzing trace with hash -253609678, now seen corresponding path program 2 times [2018-12-08 18:39:13,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:13,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:13,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:13,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:13,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:14,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:14,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:39:14,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:14,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:39:14,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:39:14,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:39:14,039 INFO L87 Difference]: Start difference. First operand 5938 states and 13074 transitions. Second operand 9 states. [2018-12-08 18:39:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:14,397 INFO L93 Difference]: Finished difference Result 6771 states and 14908 transitions. [2018-12-08 18:39:14,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 18:39:14,397 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-08 18:39:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:14,401 INFO L225 Difference]: With dead ends: 6771 [2018-12-08 18:39:14,401 INFO L226 Difference]: Without dead ends: 6771 [2018-12-08 18:39:14,402 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 [2018-12-08 18:39:14,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6771 states. [2018-12-08 18:39:14,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6771 to 6075. [2018-12-08 18:39:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6075 states. [2018-12-08 18:39:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6075 states to 6075 states and 13385 transitions. [2018-12-08 18:39:14,443 INFO L78 Accepts]: Start accepts. Automaton has 6075 states and 13385 transitions. Word has length 95 [2018-12-08 18:39:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:14,444 INFO L480 AbstractCegarLoop]: Abstraction has 6075 states and 13385 transitions. [2018-12-08 18:39:14,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:39:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 13385 transitions. [2018-12-08 18:39:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:14,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:14,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:14,448 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:14,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:14,448 INFO L82 PathProgramCache]: Analyzing trace with hash -42258765, now seen corresponding path program 1 times [2018-12-08 18:39:14,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:14,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,449 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 18:39:14,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:14,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:14,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:39:14,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:14,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:39:14,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:39:14,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:39:14,497 INFO L87 Difference]: Start difference. First operand 6075 states and 13385 transitions. Second operand 6 states. [2018-12-08 18:39:14,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:14,604 INFO L93 Difference]: Finished difference Result 6221 states and 13665 transitions. [2018-12-08 18:39:14,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:39:14,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-08 18:39:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:14,608 INFO L225 Difference]: With dead ends: 6221 [2018-12-08 18:39:14,608 INFO L226 Difference]: Without dead ends: 6221 [2018-12-08 18:39:14,608 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 [2018-12-08 18:39:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2018-12-08 18:39:14,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 5868. [2018-12-08 18:39:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5868 states. [2018-12-08 18:39:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5868 states and 12923 transitions. [2018-12-08 18:39:14,650 INFO L78 Accepts]: Start accepts. Automaton has 5868 states and 12923 transitions. Word has length 95 [2018-12-08 18:39:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:14,650 INFO L480 AbstractCegarLoop]: Abstraction has 5868 states and 12923 transitions. [2018-12-08 18:39:14,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:39:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5868 states and 12923 transitions. [2018-12-08 18:39:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:14,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:14,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:14,654 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:14,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:14,654 INFO L82 PathProgramCache]: Analyzing trace with hash -741980621, now seen corresponding path program 2 times [2018-12-08 18:39:14,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:14,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:39:14,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:39:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:39:14,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:39:14,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:39:14,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:39:14,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:39:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:39:14,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:39:14,717 INFO L87 Difference]: Start difference. First operand 5868 states and 12923 transitions. Second operand 7 states. [2018-12-08 18:39:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:39:14,803 INFO L93 Difference]: Finished difference Result 7803 states and 17251 transitions. [2018-12-08 18:39:14,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:39:14,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-08 18:39:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:39:14,809 INFO L225 Difference]: With dead ends: 7803 [2018-12-08 18:39:14,809 INFO L226 Difference]: Without dead ends: 7803 [2018-12-08 18:39:14,809 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 [2018-12-08 18:39:14,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7803 states. [2018-12-08 18:39:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7803 to 5583. [2018-12-08 18:39:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5583 states. [2018-12-08 18:39:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 12223 transitions. [2018-12-08 18:39:14,855 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 12223 transitions. Word has length 95 [2018-12-08 18:39:14,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:39:14,855 INFO L480 AbstractCegarLoop]: Abstraction has 5583 states and 12223 transitions. [2018-12-08 18:39:14,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:39:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 12223 transitions. [2018-12-08 18:39:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 18:39:14,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:39:14,859 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:39:14,860 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:39:14,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:39:14,860 INFO L82 PathProgramCache]: Analyzing trace with hash -530629708, now seen corresponding path program 2 times [2018-12-08 18:39:14,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:39:14,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,861 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 18:39:14,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:39:14,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:39:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:39:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:39:14,896 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 18:39:14,960 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 18:39:14,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:39:14 BasicIcfg [2018-12-08 18:39:14,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:39:14,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:39:14,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:39:14,962 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:39:14,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:38:58" (3/4) ... [2018-12-08 18:39:14,964 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 18:39:15,031 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56a0bf48-9170-497a-b7f0-3bce9f7b2574/bin-2019/utaipan/witness.graphml [2018-12-08 18:39:15,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:39:15,032 INFO L168 Benchmark]: Toolchain (without parser) took 17457.32 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -64.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,033 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:39:15,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,033 INFO L168 Benchmark]: Boogie Preprocessor took 23.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:39:15,034 INFO L168 Benchmark]: RCFGBuilder took 325.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,034 INFO L168 Benchmark]: TraceAbstraction took 16664.28 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,034 INFO L168 Benchmark]: Witness Printer took 69.40 ms. Allocated memory is still 2.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:39:15,036 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16664.28 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 69.40 ms. Allocated memory is still 2.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 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] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] -1 pthread_t t1285; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] FCALL, FORK -1 pthread_create(&t1285, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] -1 pthread_t t1286; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L773] FCALL, FORK -1 pthread_create(&t1286, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 1 [L732] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L733] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L734] 1 y$flush_delayed = weak$$choice2 [L735] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L737] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L737] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L738] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L739] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L740] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L741] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L742] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L743] 1 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$flush_delayed ? y$mem_tmp : y [L745] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L780] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L781] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L786] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 16.5s OverallTime, 31 OverallIterations, 1 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8492 SDtfs, 10036 SDslu, 21169 SDs, 0 SdLazy, 9732 SolverSat, 425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 78 SyntacticMatches, 40 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35807occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 30 MinimizatonAttempts, 73628 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2280 NumberOfCodeBlocks, 2280 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2155 ConstructedInterpolants, 0 QuantifiedInterpolants, 516920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...