./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008_tso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/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 bc713c31b06669528d871c075de49e25ac9a8a6c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:17:11,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:17:11,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:17:11,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:17:11,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:17:11,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:17:11,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:17:11,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:17:11,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:17:11,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:17:11,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:17:11,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:17:11,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:17:11,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:17:11,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:17:11,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:17:11,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:17:11,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:17:11,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:17:11,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:17:11,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:17:11,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:17:11,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:17:11,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:17:11,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:17:11,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:17:11,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:17:11,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:17:11,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:17:11,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:17:11,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:17:11,098 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:17:11,098 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:17:11,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:17:11,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:17:11,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:17:11,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 22:17:11,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:17:11,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:17:11,109 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:17:11,109 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 22:17:11,110 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 22:17:11,110 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 22:17:11,111 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 22:17:11,111 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 22:17:11,111 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:17:11,111 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:17:11,111 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:17:11,111 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:17:11,112 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:17:11,113 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 22:17:11,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:17:11,113 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 22:17:11,114 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_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/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 -> bc713c31b06669528d871c075de49e25ac9a8a6c [2018-12-02 22:17:11,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:17:11,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:17:11,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:17:11,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:17:11,149 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:17:11,149 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/rfi008_tso.opt_false-unreach-call.i [2018-12-02 22:17:11,189 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/data/fed1173d1/21824e08a90e4bb788bc57069f9aa38f/FLAG794b144cb [2018-12-02 22:17:11,644 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:17:11,644 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/sv-benchmarks/c/pthread-wmm/rfi008_tso.opt_false-unreach-call.i [2018-12-02 22:17:11,652 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/data/fed1173d1/21824e08a90e4bb788bc57069f9aa38f/FLAG794b144cb [2018-12-02 22:17:11,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/data/fed1173d1/21824e08a90e4bb788bc57069f9aa38f [2018-12-02 22:17:11,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:17:11,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:17:11,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:17:11,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:17:11,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:17:11,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:11,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11, skipping insertion in model container [2018-12-02 22:17:11,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:11,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:17:11,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:17:11,879 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:17:11,887 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:17:11,967 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:17:11,998 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:17:11,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11 WrapperNode [2018-12-02 22:17:11,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:17:11,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:17:11,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:17:11,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:17:12,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:17:12,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:17:12,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:17:12,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:17:12,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... [2018-12-02 22:17:12,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:17:12,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:17:12,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:17:12,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:17:12,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 22:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 22:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 22:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 22:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 22:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 22:17:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 22:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 22:17:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 22:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 22:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:17:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:17:12,098 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 22:17:12,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:17:12,476 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 22:17:12,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:12 BoogieIcfgContainer [2018-12-02 22:17:12,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:17:12,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 22:17:12,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 22:17:12,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 22:17:12,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:17:11" (1/3) ... [2018-12-02 22:17:12,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5bd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:17:12, skipping insertion in model container [2018-12-02 22:17:12,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:11" (2/3) ... [2018-12-02 22:17:12,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5bd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:17:12, skipping insertion in model container [2018-12-02 22:17:12,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:12" (3/3) ... [2018-12-02 22:17:12,482 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi008_tso.opt_false-unreach-call.i [2018-12-02 22:17:12,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,507 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,508 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,509 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,510 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,511 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,512 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,513 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,514 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,515 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,516 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,518 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,518 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,518 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 22:17:12,534 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 22:17:12,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 22:17:12,539 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 22:17:12,549 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 22:17:12,564 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 22:17:12,565 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 22:17:12,565 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 22:17:12,565 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 22:17:12,565 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 22:17:12,565 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 22:17:12,565 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 22:17:12,565 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 22:17:12,572 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 174places, 227 transitions [2018-12-02 22:17:18,160 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 83128 states. [2018-12-02 22:17:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 83128 states. [2018-12-02 22:17:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 22:17:18,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:18,170 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] [2018-12-02 22:17:18,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:18,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:18,175 INFO L82 PathProgramCache]: Analyzing trace with hash -509770769, now seen corresponding path program 1 times [2018-12-02 22:17:18,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:18,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:18,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:18,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:18,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:18,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:18,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:17:18,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:18,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:17:18,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:17:18,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:17:18,347 INFO L87 Difference]: Start difference. First operand 83128 states. Second operand 4 states. [2018-12-02 22:17:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:19,270 INFO L93 Difference]: Finished difference Result 150584 states and 603161 transitions. [2018-12-02 22:17:19,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:17:19,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-12-02 22:17:19,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:19,643 INFO L225 Difference]: With dead ends: 150584 [2018-12-02 22:17:19,644 INFO L226 Difference]: Without dead ends: 105840 [2018-12-02 22:17:19,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:17:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105840 states. [2018-12-02 22:17:21,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105840 to 61236. [2018-12-02 22:17:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61236 states. [2018-12-02 22:17:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61236 states to 61236 states and 248291 transitions. [2018-12-02 22:17:21,845 INFO L78 Accepts]: Start accepts. Automaton has 61236 states and 248291 transitions. Word has length 39 [2018-12-02 22:17:21,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:21,845 INFO L480 AbstractCegarLoop]: Abstraction has 61236 states and 248291 transitions. [2018-12-02 22:17:21,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:17:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61236 states and 248291 transitions. [2018-12-02 22:17:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 22:17:21,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:21,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:21,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:21,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash 433147210, now seen corresponding path program 1 times [2018-12-02 22:17:21,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:21,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:21,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:21,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:21,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:21,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:21,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:17:21,900 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:21,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:17:21,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:17:21,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:17:21,901 INFO L87 Difference]: Start difference. First operand 61236 states and 248291 transitions. Second operand 5 states. [2018-12-02 22:17:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:22,953 INFO L93 Difference]: Finished difference Result 146040 states and 554301 transitions. [2018-12-02 22:17:22,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:17:22,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-02 22:17:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:23,282 INFO L225 Difference]: With dead ends: 146040 [2018-12-02 22:17:23,282 INFO L226 Difference]: Without dead ends: 145472 [2018-12-02 22:17:23,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:17:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145472 states. [2018-12-02 22:17:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145472 to 96614. [2018-12-02 22:17:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96614 states. [2018-12-02 22:17:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96614 states to 96614 states and 368456 transitions. [2018-12-02 22:17:27,063 INFO L78 Accepts]: Start accepts. Automaton has 96614 states and 368456 transitions. Word has length 47 [2018-12-02 22:17:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:27,064 INFO L480 AbstractCegarLoop]: Abstraction has 96614 states and 368456 transitions. [2018-12-02 22:17:27,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:17:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 96614 states and 368456 transitions. [2018-12-02 22:17:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 22:17:27,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:27,068 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] [2018-12-02 22:17:27,068 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:27,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:27,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1604648536, now seen corresponding path program 1 times [2018-12-02 22:17:27,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:27,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:27,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:27,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:27,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:27,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:27,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:17:27,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:27,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:17:27,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:17:27,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:17:27,131 INFO L87 Difference]: Start difference. First operand 96614 states and 368456 transitions. Second operand 5 states. [2018-12-02 22:17:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:28,385 INFO L93 Difference]: Finished difference Result 199270 states and 748090 transitions. [2018-12-02 22:17:28,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:17:28,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-12-02 22:17:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:28,814 INFO L225 Difference]: With dead ends: 199270 [2018-12-02 22:17:28,814 INFO L226 Difference]: Without dead ends: 198806 [2018-12-02 22:17:28,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:17:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198806 states. [2018-12-02 22:17:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198806 to 108297. [2018-12-02 22:17:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108297 states. [2018-12-02 22:17:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108297 states to 108297 states and 408660 transitions. [2018-12-02 22:17:32,093 INFO L78 Accepts]: Start accepts. Automaton has 108297 states and 408660 transitions. Word has length 48 [2018-12-02 22:17:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:32,093 INFO L480 AbstractCegarLoop]: Abstraction has 108297 states and 408660 transitions. [2018-12-02 22:17:32,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:17:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 108297 states and 408660 transitions. [2018-12-02 22:17:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 22:17:32,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:32,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:32,100 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:32,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:32,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1056563390, now seen corresponding path program 1 times [2018-12-02 22:17:32,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:32,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:32,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:32,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:32,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:32,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:32,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:17:32,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:32,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:17:32,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:17:32,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:32,134 INFO L87 Difference]: Start difference. First operand 108297 states and 408660 transitions. Second operand 3 states. [2018-12-02 22:17:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:34,095 INFO L93 Difference]: Finished difference Result 179116 states and 655175 transitions. [2018-12-02 22:17:34,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:17:34,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-12-02 22:17:34,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:34,441 INFO L225 Difference]: With dead ends: 179116 [2018-12-02 22:17:34,441 INFO L226 Difference]: Without dead ends: 179116 [2018-12-02 22:17:34,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179116 states. [2018-12-02 22:17:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179116 to 163647. [2018-12-02 22:17:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163647 states. [2018-12-02 22:17:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163647 states to 163647 states and 603626 transitions. [2018-12-02 22:17:37,928 INFO L78 Accepts]: Start accepts. Automaton has 163647 states and 603626 transitions. Word has length 50 [2018-12-02 22:17:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:37,929 INFO L480 AbstractCegarLoop]: Abstraction has 163647 states and 603626 transitions. [2018-12-02 22:17:37,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:17:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 163647 states and 603626 transitions. [2018-12-02 22:17:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 22:17:37,945 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:37,945 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:37,946 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:37,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:37,946 INFO L82 PathProgramCache]: Analyzing trace with hash 294072713, now seen corresponding path program 1 times [2018-12-02 22:17:37,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:37,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:37,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:37,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:37,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:38,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:38,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:17:38,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:38,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:17:38,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:17:38,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:17:38,011 INFO L87 Difference]: Start difference. First operand 163647 states and 603626 transitions. Second operand 6 states. [2018-12-02 22:17:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:39,709 INFO L93 Difference]: Finished difference Result 315524 states and 1139599 transitions. [2018-12-02 22:17:39,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 22:17:39,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-12-02 22:17:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:40,381 INFO L225 Difference]: With dead ends: 315524 [2018-12-02 22:17:40,382 INFO L226 Difference]: Without dead ends: 314988 [2018-12-02 22:17:40,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-02 22:17:42,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314988 states. [2018-12-02 22:17:44,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314988 to 164410. [2018-12-02 22:17:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164410 states. [2018-12-02 22:17:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164410 states to 164410 states and 606497 transitions. [2018-12-02 22:17:45,320 INFO L78 Accepts]: Start accepts. Automaton has 164410 states and 606497 transitions. Word has length 54 [2018-12-02 22:17:45,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:45,320 INFO L480 AbstractCegarLoop]: Abstraction has 164410 states and 606497 transitions. [2018-12-02 22:17:45,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:17:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 164410 states and 606497 transitions. [2018-12-02 22:17:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 22:17:45,716 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:45,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:45,716 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:45,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:45,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1217557252, now seen corresponding path program 1 times [2018-12-02 22:17:45,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:45,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:45,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:45,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:45,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:17:45,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:45,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:17:45,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:17:45,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:17:45,779 INFO L87 Difference]: Start difference. First operand 164410 states and 606497 transitions. Second operand 6 states. [2018-12-02 22:17:47,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:47,055 INFO L93 Difference]: Finished difference Result 215867 states and 792771 transitions. [2018-12-02 22:17:47,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:17:47,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-12-02 22:17:47,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:47,534 INFO L225 Difference]: With dead ends: 215867 [2018-12-02 22:17:47,534 INFO L226 Difference]: Without dead ends: 215867 [2018-12-02 22:17:47,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:17:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215867 states. [2018-12-02 22:17:53,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215867 to 201216. [2018-12-02 22:17:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201216 states. [2018-12-02 22:17:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201216 states to 201216 states and 739038 transitions. [2018-12-02 22:17:53,786 INFO L78 Accepts]: Start accepts. Automaton has 201216 states and 739038 transitions. Word has length 54 [2018-12-02 22:17:53,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:53,786 INFO L480 AbstractCegarLoop]: Abstraction has 201216 states and 739038 transitions. [2018-12-02 22:17:53,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:17:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 201216 states and 739038 transitions. [2018-12-02 22:17:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 22:17:53,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:53,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:53,805 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:53,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1280458685, now seen corresponding path program 1 times [2018-12-02 22:17:53,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:53,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:53,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:53,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:53,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:53,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:53,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:17:53,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:53,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:17:53,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:17:53,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:17:53,836 INFO L87 Difference]: Start difference. First operand 201216 states and 739038 transitions. Second operand 4 states. [2018-12-02 22:17:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:53,963 INFO L93 Difference]: Finished difference Result 38680 states and 122685 transitions. [2018-12-02 22:17:53,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 22:17:53,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-12-02 22:17:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:54,007 INFO L225 Difference]: With dead ends: 38680 [2018-12-02 22:17:54,007 INFO L226 Difference]: Without dead ends: 32084 [2018-12-02 22:17:54,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:17:54,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32084 states. [2018-12-02 22:17:54,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32084 to 31837. [2018-12-02 22:17:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31837 states. [2018-12-02 22:17:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31837 states to 31837 states and 99516 transitions. [2018-12-02 22:17:54,692 INFO L78 Accepts]: Start accepts. Automaton has 31837 states and 99516 transitions. Word has length 54 [2018-12-02 22:17:54,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:54,692 INFO L480 AbstractCegarLoop]: Abstraction has 31837 states and 99516 transitions. [2018-12-02 22:17:54,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:17:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 31837 states and 99516 transitions. [2018-12-02 22:17:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 22:17:54,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:54,697 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:54,698 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:54,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1118166751, now seen corresponding path program 1 times [2018-12-02 22:17:54,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:54,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:54,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:54,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:54,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:17:54,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:54,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:17:54,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:17:54,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:17:54,737 INFO L87 Difference]: Start difference. First operand 31837 states and 99516 transitions. Second operand 4 states. [2018-12-02 22:17:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:54,961 INFO L93 Difference]: Finished difference Result 41209 states and 129950 transitions. [2018-12-02 22:17:54,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 22:17:54,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 22:17:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:55,020 INFO L225 Difference]: With dead ends: 41209 [2018-12-02 22:17:55,020 INFO L226 Difference]: Without dead ends: 41209 [2018-12-02 22:17:55,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:17:55,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41209 states. [2018-12-02 22:17:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41209 to 35933. [2018-12-02 22:17:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35933 states. [2018-12-02 22:17:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35933 states to 35933 states and 112645 transitions. [2018-12-02 22:17:55,469 INFO L78 Accepts]: Start accepts. Automaton has 35933 states and 112645 transitions. Word has length 64 [2018-12-02 22:17:55,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:55,469 INFO L480 AbstractCegarLoop]: Abstraction has 35933 states and 112645 transitions. [2018-12-02 22:17:55,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:17:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 35933 states and 112645 transitions. [2018-12-02 22:17:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 22:17:55,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:55,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:55,475 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:55,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:55,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1433990210, now seen corresponding path program 1 times [2018-12-02 22:17:55,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:55,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:55,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:55,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:55,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:55,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:55,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:17:55,514 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:55,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:17:55,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:17:55,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:17:55,514 INFO L87 Difference]: Start difference. First operand 35933 states and 112645 transitions. Second operand 6 states. [2018-12-02 22:17:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:56,100 INFO L93 Difference]: Finished difference Result 72510 states and 225561 transitions. [2018-12-02 22:17:56,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 22:17:56,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-02 22:17:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:56,204 INFO L225 Difference]: With dead ends: 72510 [2018-12-02 22:17:56,204 INFO L226 Difference]: Without dead ends: 72446 [2018-12-02 22:17:56,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-02 22:17:56,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72446 states. [2018-12-02 22:17:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72446 to 40893. [2018-12-02 22:17:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40893 states. [2018-12-02 22:17:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40893 states to 40893 states and 126623 transitions. [2018-12-02 22:17:56,859 INFO L78 Accepts]: Start accepts. Automaton has 40893 states and 126623 transitions. Word has length 64 [2018-12-02 22:17:56,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:56,860 INFO L480 AbstractCegarLoop]: Abstraction has 40893 states and 126623 transitions. [2018-12-02 22:17:56,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:17:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 40893 states and 126623 transitions. [2018-12-02 22:17:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 22:17:56,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:56,871 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:17:56,872 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:56,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:56,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1608074001, now seen corresponding path program 1 times [2018-12-02 22:17:56,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:56,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:56,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:56,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:56,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:56,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:56,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:17:56,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:56,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:17:56,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:17:56,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:56,898 INFO L87 Difference]: Start difference. First operand 40893 states and 126623 transitions. Second operand 3 states. [2018-12-02 22:17:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:57,050 INFO L93 Difference]: Finished difference Result 46898 states and 143100 transitions. [2018-12-02 22:17:57,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:17:57,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-02 22:17:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:57,109 INFO L225 Difference]: With dead ends: 46898 [2018-12-02 22:17:57,109 INFO L226 Difference]: Without dead ends: 46898 [2018-12-02 22:17:57,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46898 states. [2018-12-02 22:17:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46898 to 40581. [2018-12-02 22:17:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40581 states. [2018-12-02 22:17:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40581 states to 40581 states and 123025 transitions. [2018-12-02 22:17:57,920 INFO L78 Accepts]: Start accepts. Automaton has 40581 states and 123025 transitions. Word has length 70 [2018-12-02 22:17:57,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:57,920 INFO L480 AbstractCegarLoop]: Abstraction has 40581 states and 123025 transitions. [2018-12-02 22:17:57,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:17:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40581 states and 123025 transitions. [2018-12-02 22:17:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 22:17:57,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:57,929 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] [2018-12-02 22:17:57,930 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:57,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:57,930 INFO L82 PathProgramCache]: Analyzing trace with hash 261893817, now seen corresponding path program 1 times [2018-12-02 22:17:57,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:57,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:57,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:57,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:57,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:58,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:58,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:17:58,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:58,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:17:58,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:17:58,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:17:58,013 INFO L87 Difference]: Start difference. First operand 40581 states and 123025 transitions. Second operand 7 states. [2018-12-02 22:17:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:58,856 INFO L93 Difference]: Finished difference Result 56546 states and 170865 transitions. [2018-12-02 22:17:58,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 22:17:58,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-12-02 22:17:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:58,933 INFO L225 Difference]: With dead ends: 56546 [2018-12-02 22:17:58,933 INFO L226 Difference]: Without dead ends: 56242 [2018-12-02 22:17:58,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-02 22:17:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56242 states. [2018-12-02 22:17:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56242 to 47673. [2018-12-02 22:17:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47673 states. [2018-12-02 22:17:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47673 states to 47673 states and 144132 transitions. [2018-12-02 22:17:59,521 INFO L78 Accepts]: Start accepts. Automaton has 47673 states and 144132 transitions. Word has length 71 [2018-12-02 22:17:59,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:17:59,521 INFO L480 AbstractCegarLoop]: Abstraction has 47673 states and 144132 transitions. [2018-12-02 22:17:59,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:17:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 47673 states and 144132 transitions. [2018-12-02 22:17:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 22:17:59,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:17:59,534 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] [2018-12-02 22:17:59,534 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:17:59,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:17:59,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1535057542, now seen corresponding path program 1 times [2018-12-02 22:17:59,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:17:59,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:59,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:17:59,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:17:59,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:17:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:17:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:17:59,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:17:59,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:17:59,569 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:17:59,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:17:59,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:17:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:59,570 INFO L87 Difference]: Start difference. First operand 47673 states and 144132 transitions. Second operand 3 states. [2018-12-02 22:17:59,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:17:59,677 INFO L93 Difference]: Finished difference Result 40513 states and 119246 transitions. [2018-12-02 22:17:59,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:17:59,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-12-02 22:17:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:17:59,726 INFO L225 Difference]: With dead ends: 40513 [2018-12-02 22:17:59,726 INFO L226 Difference]: Without dead ends: 40297 [2018-12-02 22:17:59,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:17:59,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40297 states. [2018-12-02 22:18:00,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40297 to 37989. [2018-12-02 22:18:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37989 states. [2018-12-02 22:18:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37989 states to 37989 states and 111993 transitions. [2018-12-02 22:18:00,145 INFO L78 Accepts]: Start accepts. Automaton has 37989 states and 111993 transitions. Word has length 71 [2018-12-02 22:18:00,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:00,146 INFO L480 AbstractCegarLoop]: Abstraction has 37989 states and 111993 transitions. [2018-12-02 22:18:00,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:18:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 37989 states and 111993 transitions. [2018-12-02 22:18:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 22:18:00,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:00,157 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:00,157 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:00,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:00,157 INFO L82 PathProgramCache]: Analyzing trace with hash -967400709, now seen corresponding path program 1 times [2018-12-02 22:18:00,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:00,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:00,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:00,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:00,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:18:00,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:00,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:18:00,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:18:00,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:18:00,202 INFO L87 Difference]: Start difference. First operand 37989 states and 111993 transitions. Second operand 5 states. [2018-12-02 22:18:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:00,246 INFO L93 Difference]: Finished difference Result 12137 states and 30392 transitions. [2018-12-02 22:18:00,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 22:18:00,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-02 22:18:00,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:00,254 INFO L225 Difference]: With dead ends: 12137 [2018-12-02 22:18:00,254 INFO L226 Difference]: Without dead ends: 10237 [2018-12-02 22:18:00,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:18:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2018-12-02 22:18:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 7676. [2018-12-02 22:18:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7676 states. [2018-12-02 22:18:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7676 states to 7676 states and 19115 transitions. [2018-12-02 22:18:00,328 INFO L78 Accepts]: Start accepts. Automaton has 7676 states and 19115 transitions. Word has length 72 [2018-12-02 22:18:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:00,328 INFO L480 AbstractCegarLoop]: Abstraction has 7676 states and 19115 transitions. [2018-12-02 22:18:00,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:18:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 7676 states and 19115 transitions. [2018-12-02 22:18:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:00,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:00,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:00,334 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:00,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:00,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1043228459, now seen corresponding path program 1 times [2018-12-02 22:18:00,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:00,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:00,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:00,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:00,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:18:00,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:00,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:18:00,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:18:00,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:18:00,374 INFO L87 Difference]: Start difference. First operand 7676 states and 19115 transitions. Second operand 4 states. [2018-12-02 22:18:00,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:00,490 INFO L93 Difference]: Finished difference Result 9055 states and 22165 transitions. [2018-12-02 22:18:00,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:18:00,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2018-12-02 22:18:00,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:00,497 INFO L225 Difference]: With dead ends: 9055 [2018-12-02 22:18:00,497 INFO L226 Difference]: Without dead ends: 9055 [2018-12-02 22:18:00,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:18:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9055 states. [2018-12-02 22:18:00,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9055 to 8349. [2018-12-02 22:18:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8349 states. [2018-12-02 22:18:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8349 states to 8349 states and 20570 transitions. [2018-12-02 22:18:00,564 INFO L78 Accepts]: Start accepts. Automaton has 8349 states and 20570 transitions. Word has length 101 [2018-12-02 22:18:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:00,564 INFO L480 AbstractCegarLoop]: Abstraction has 8349 states and 20570 transitions. [2018-12-02 22:18:00,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:18:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8349 states and 20570 transitions. [2018-12-02 22:18:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:00,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:00,570 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:00,571 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:00,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:00,571 INFO L82 PathProgramCache]: Analyzing trace with hash 589575540, now seen corresponding path program 1 times [2018-12-02 22:18:00,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:00,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:00,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:00,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:00,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:00,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:18:00,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:00,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:18:00,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:18:00,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:18:00,641 INFO L87 Difference]: Start difference. First operand 8349 states and 20570 transitions. Second operand 7 states. [2018-12-02 22:18:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:01,118 INFO L93 Difference]: Finished difference Result 15024 states and 36036 transitions. [2018-12-02 22:18:01,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 22:18:01,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2018-12-02 22:18:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:01,129 INFO L225 Difference]: With dead ends: 15024 [2018-12-02 22:18:01,129 INFO L226 Difference]: Without dead ends: 14929 [2018-12-02 22:18:01,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-02 22:18:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14929 states. [2018-12-02 22:18:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14929 to 13306. [2018-12-02 22:18:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13306 states. [2018-12-02 22:18:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13306 states to 13306 states and 32248 transitions. [2018-12-02 22:18:01,265 INFO L78 Accepts]: Start accepts. Automaton has 13306 states and 32248 transitions. Word has length 101 [2018-12-02 22:18:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:01,265 INFO L480 AbstractCegarLoop]: Abstraction has 13306 states and 32248 transitions. [2018-12-02 22:18:01,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:18:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 13306 states and 32248 transitions. [2018-12-02 22:18:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:01,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:01,276 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:01,276 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:01,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:01,276 INFO L82 PathProgramCache]: Analyzing trace with hash 493240717, now seen corresponding path program 2 times [2018-12-02 22:18:01,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:01,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:01,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:01,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:01,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:01,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:01,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:18:01,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:01,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:18:01,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:18:01,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:18:01,342 INFO L87 Difference]: Start difference. First operand 13306 states and 32248 transitions. Second operand 5 states. [2018-12-02 22:18:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:01,604 INFO L93 Difference]: Finished difference Result 15788 states and 37518 transitions. [2018-12-02 22:18:01,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:18:01,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-12-02 22:18:01,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:01,620 INFO L225 Difference]: With dead ends: 15788 [2018-12-02 22:18:01,620 INFO L226 Difference]: Without dead ends: 15752 [2018-12-02 22:18:01,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:18:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15752 states. [2018-12-02 22:18:01,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15752 to 14159. [2018-12-02 22:18:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14159 states. [2018-12-02 22:18:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14159 states to 14159 states and 34039 transitions. [2018-12-02 22:18:01,746 INFO L78 Accepts]: Start accepts. Automaton has 14159 states and 34039 transitions. Word has length 101 [2018-12-02 22:18:01,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:01,746 INFO L480 AbstractCegarLoop]: Abstraction has 14159 states and 34039 transitions. [2018-12-02 22:18:01,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:18:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14159 states and 34039 transitions. [2018-12-02 22:18:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:01,756 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:01,756 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:01,757 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:01,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash 844040654, now seen corresponding path program 2 times [2018-12-02 22:18:01,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:01,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:01,758 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 22:18:01,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:01,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:01,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:01,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:18:01,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:01,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:18:01,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:18:01,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:18:01,847 INFO L87 Difference]: Start difference. First operand 14159 states and 34039 transitions. Second operand 7 states. [2018-12-02 22:18:02,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:02,206 INFO L93 Difference]: Finished difference Result 19816 states and 45768 transitions. [2018-12-02 22:18:02,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 22:18:02,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2018-12-02 22:18:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:02,220 INFO L225 Difference]: With dead ends: 19816 [2018-12-02 22:18:02,220 INFO L226 Difference]: Without dead ends: 19816 [2018-12-02 22:18:02,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-02 22:18:02,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19816 states. [2018-12-02 22:18:02,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19816 to 16569. [2018-12-02 22:18:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-12-02 22:18:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 38888 transitions. [2018-12-02 22:18:02,368 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 38888 transitions. Word has length 101 [2018-12-02 22:18:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:02,368 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 38888 transitions. [2018-12-02 22:18:02,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:18:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 38888 transitions. [2018-12-02 22:18:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:02,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:02,380 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:02,380 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:02,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:02,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1537142351, now seen corresponding path program 1 times [2018-12-02 22:18:02,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:02,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:02,381 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 22:18:02,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:02,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:02,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:02,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:18:02,426 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:02,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:18:02,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:18:02,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:18:02,427 INFO L87 Difference]: Start difference. First operand 16569 states and 38888 transitions. Second operand 4 states. [2018-12-02 22:18:02,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:02,475 INFO L93 Difference]: Finished difference Result 16569 states and 38856 transitions. [2018-12-02 22:18:02,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 22:18:02,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2018-12-02 22:18:02,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:02,488 INFO L225 Difference]: With dead ends: 16569 [2018-12-02 22:18:02,488 INFO L226 Difference]: Without dead ends: 16569 [2018-12-02 22:18:02,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:18:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16569 states. [2018-12-02 22:18:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16569 to 16028. [2018-12-02 22:18:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16028 states. [2018-12-02 22:18:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16028 states to 16028 states and 37612 transitions. [2018-12-02 22:18:02,620 INFO L78 Accepts]: Start accepts. Automaton has 16028 states and 37612 transitions. Word has length 101 [2018-12-02 22:18:02,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:02,621 INFO L480 AbstractCegarLoop]: Abstraction has 16028 states and 37612 transitions. [2018-12-02 22:18:02,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:18:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 16028 states and 37612 transitions. [2018-12-02 22:18:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:02,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:02,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:02,630 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:02,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:02,631 INFO L82 PathProgramCache]: Analyzing trace with hash -770343185, now seen corresponding path program 1 times [2018-12-02 22:18:02,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:02,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:02,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:02,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:02,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:02,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:02,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:18:02,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:02,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:18:02,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:18:02,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:18:02,690 INFO L87 Difference]: Start difference. First operand 16028 states and 37612 transitions. Second operand 7 states. [2018-12-02 22:18:03,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:03,040 INFO L93 Difference]: Finished difference Result 16907 states and 39478 transitions. [2018-12-02 22:18:03,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:18:03,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2018-12-02 22:18:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:03,053 INFO L225 Difference]: With dead ends: 16907 [2018-12-02 22:18:03,053 INFO L226 Difference]: Without dead ends: 16907 [2018-12-02 22:18:03,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:18:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16907 states. [2018-12-02 22:18:03,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16907 to 15890. [2018-12-02 22:18:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15890 states. [2018-12-02 22:18:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15890 states to 15890 states and 37334 transitions. [2018-12-02 22:18:03,186 INFO L78 Accepts]: Start accepts. Automaton has 15890 states and 37334 transitions. Word has length 101 [2018-12-02 22:18:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:03,187 INFO L480 AbstractCegarLoop]: Abstraction has 15890 states and 37334 transitions. [2018-12-02 22:18:03,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:18:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15890 states and 37334 transitions. [2018-12-02 22:18:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:03,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:03,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:03,197 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:03,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:03,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1693970258, now seen corresponding path program 1 times [2018-12-02 22:18:03,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:03,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:03,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:03,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:03,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:18:03,221 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:03,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:18:03,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:18:03,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:18:03,221 INFO L87 Difference]: Start difference. First operand 15890 states and 37334 transitions. Second operand 3 states. [2018-12-02 22:18:03,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:03,271 INFO L93 Difference]: Finished difference Result 18746 states and 43971 transitions. [2018-12-02 22:18:03,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:18:03,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-12-02 22:18:03,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:03,284 INFO L225 Difference]: With dead ends: 18746 [2018-12-02 22:18:03,284 INFO L226 Difference]: Without dead ends: 18746 [2018-12-02 22:18:03,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:18:03,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18746 states. [2018-12-02 22:18:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18746 to 18688. [2018-12-02 22:18:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18688 states. [2018-12-02 22:18:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18688 states to 18688 states and 43845 transitions. [2018-12-02 22:18:03,434 INFO L78 Accepts]: Start accepts. Automaton has 18688 states and 43845 transitions. Word has length 101 [2018-12-02 22:18:03,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:03,435 INFO L480 AbstractCegarLoop]: Abstraction has 18688 states and 43845 transitions. [2018-12-02 22:18:03,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:18:03,435 INFO L276 IsEmpty]: Start isEmpty. Operand 18688 states and 43845 transitions. [2018-12-02 22:18:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:03,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:03,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:03,449 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:03,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:03,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1905321171, now seen corresponding path program 1 times [2018-12-02 22:18:03,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:03,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:03,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:03,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:03,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:18:03,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:03,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:18:03,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:18:03,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:18:03,503 INFO L87 Difference]: Start difference. First operand 18688 states and 43845 transitions. Second operand 4 states. [2018-12-02 22:18:03,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:03,639 INFO L93 Difference]: Finished difference Result 18900 states and 44283 transitions. [2018-12-02 22:18:03,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:18:03,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2018-12-02 22:18:03,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:03,652 INFO L225 Difference]: With dead ends: 18900 [2018-12-02 22:18:03,652 INFO L226 Difference]: Without dead ends: 18900 [2018-12-02 22:18:03,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:18:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18900 states. [2018-12-02 22:18:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18900 to 18175. [2018-12-02 22:18:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18175 states. [2018-12-02 22:18:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18175 states to 18175 states and 42698 transitions. [2018-12-02 22:18:03,801 INFO L78 Accepts]: Start accepts. Automaton has 18175 states and 42698 transitions. Word has length 101 [2018-12-02 22:18:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:03,801 INFO L480 AbstractCegarLoop]: Abstraction has 18175 states and 42698 transitions. [2018-12-02 22:18:03,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:18:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 18175 states and 42698 transitions. [2018-12-02 22:18:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:03,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:03,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:03,815 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:03,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:03,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1347364049, now seen corresponding path program 2 times [2018-12-02 22:18:03,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:03,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:03,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:03,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:03,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:03,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:18:03,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:03,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:18:03,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:18:03,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:18:03,852 INFO L87 Difference]: Start difference. First operand 18175 states and 42698 transitions. Second operand 5 states. [2018-12-02 22:18:04,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:04,043 INFO L93 Difference]: Finished difference Result 19275 states and 44989 transitions. [2018-12-02 22:18:04,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 22:18:04,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-12-02 22:18:04,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:04,059 INFO L225 Difference]: With dead ends: 19275 [2018-12-02 22:18:04,059 INFO L226 Difference]: Without dead ends: 19275 [2018-12-02 22:18:04,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:18:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19275 states. [2018-12-02 22:18:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19275 to 18139. [2018-12-02 22:18:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18139 states. [2018-12-02 22:18:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18139 states to 18139 states and 42552 transitions. [2018-12-02 22:18:04,222 INFO L78 Accepts]: Start accepts. Automaton has 18139 states and 42552 transitions. Word has length 101 [2018-12-02 22:18:04,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:04,223 INFO L480 AbstractCegarLoop]: Abstraction has 18139 states and 42552 transitions. [2018-12-02 22:18:04,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:18:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 18139 states and 42552 transitions. [2018-12-02 22:18:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:04,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:04,236 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:04,236 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:04,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:04,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1434131099, now seen corresponding path program 3 times [2018-12-02 22:18:04,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:04,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:04,238 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 22:18:04,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:04,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:04,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:04,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:18:04,287 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:04,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:18:04,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:18:04,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:18:04,288 INFO L87 Difference]: Start difference. First operand 18139 states and 42552 transitions. Second operand 6 states. [2018-12-02 22:18:04,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:04,544 INFO L93 Difference]: Finished difference Result 21575 states and 50372 transitions. [2018-12-02 22:18:04,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:18:04,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-12-02 22:18:04,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:04,560 INFO L225 Difference]: With dead ends: 21575 [2018-12-02 22:18:04,560 INFO L226 Difference]: Without dead ends: 21575 [2018-12-02 22:18:04,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:18:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21575 states. [2018-12-02 22:18:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21575 to 18174. [2018-12-02 22:18:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18174 states. [2018-12-02 22:18:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18174 states to 18174 states and 42627 transitions. [2018-12-02 22:18:04,767 INFO L78 Accepts]: Start accepts. Automaton has 18174 states and 42627 transitions. Word has length 101 [2018-12-02 22:18:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:04,768 INFO L480 AbstractCegarLoop]: Abstraction has 18174 states and 42627 transitions. [2018-12-02 22:18:04,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:18:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 18174 states and 42627 transitions. [2018-12-02 22:18:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 22:18:04,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:04,779 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:04,780 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:04,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:04,780 INFO L82 PathProgramCache]: Analyzing trace with hash -2077058149, now seen corresponding path program 4 times [2018-12-02 22:18:04,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:04,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:04,781 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 22:18:04,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:04,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:04,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:04,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:18:04,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:04,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:18:04,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:18:04,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:18:04,830 INFO L87 Difference]: Start difference. First operand 18174 states and 42627 transitions. Second operand 5 states. [2018-12-02 22:18:04,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:04,994 INFO L93 Difference]: Finished difference Result 19676 states and 45732 transitions. [2018-12-02 22:18:04,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 22:18:04,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-12-02 22:18:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:05,009 INFO L225 Difference]: With dead ends: 19676 [2018-12-02 22:18:05,009 INFO L226 Difference]: Without dead ends: 19676 [2018-12-02 22:18:05,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:18:05,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19676 states. [2018-12-02 22:18:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19676 to 18398. [2018-12-02 22:18:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18398 states. [2018-12-02 22:18:05,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18398 states to 18398 states and 43090 transitions. [2018-12-02 22:18:05,171 INFO L78 Accepts]: Start accepts. Automaton has 18398 states and 43090 transitions. Word has length 101 [2018-12-02 22:18:05,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:05,171 INFO L480 AbstractCegarLoop]: Abstraction has 18398 states and 43090 transitions. [2018-12-02 22:18:05,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:18:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 18398 states and 43090 transitions. [2018-12-02 22:18:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 22:18:05,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:05,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:05,184 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:05,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:05,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2084426862, now seen corresponding path program 1 times [2018-12-02 22:18:05,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:05,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:05,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:05,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:05,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:05,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:05,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 22:18:05,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:05,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 22:18:05,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 22:18:05,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-02 22:18:05,273 INFO L87 Difference]: Start difference. First operand 18398 states and 43090 transitions. Second operand 10 states. [2018-12-02 22:18:05,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:05,597 INFO L93 Difference]: Finished difference Result 20446 states and 47800 transitions. [2018-12-02 22:18:05,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:18:05,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2018-12-02 22:18:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:05,600 INFO L225 Difference]: With dead ends: 20446 [2018-12-02 22:18:05,600 INFO L226 Difference]: Without dead ends: 3172 [2018-12-02 22:18:05,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-12-02 22:18:05,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2018-12-02 22:18:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3170. [2018-12-02 22:18:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2018-12-02 22:18:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 7546 transitions. [2018-12-02 22:18:05,623 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 7546 transitions. Word has length 103 [2018-12-02 22:18:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:05,623 INFO L480 AbstractCegarLoop]: Abstraction has 3170 states and 7546 transitions. [2018-12-02 22:18:05,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 22:18:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 7546 transitions. [2018-12-02 22:18:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 22:18:05,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:05,626 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:05,626 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:05,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:05,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1505645297, now seen corresponding path program 1 times [2018-12-02 22:18:05,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:05,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:05,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:05,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:05,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:18:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:18:05,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:18:05,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 22:18:05,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:18:05,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 22:18:05,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 22:18:05,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-02 22:18:05,723 INFO L87 Difference]: Start difference. First operand 3170 states and 7546 transitions. Second operand 13 states. [2018-12-02 22:18:06,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:18:06,119 INFO L93 Difference]: Finished difference Result 4972 states and 11624 transitions. [2018-12-02 22:18:06,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 22:18:06,119 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 103 [2018-12-02 22:18:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:18:06,122 INFO L225 Difference]: With dead ends: 4972 [2018-12-02 22:18:06,122 INFO L226 Difference]: Without dead ends: 3627 [2018-12-02 22:18:06,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-12-02 22:18:06,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3627 states. [2018-12-02 22:18:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3627 to 3225. [2018-12-02 22:18:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3225 states. [2018-12-02 22:18:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 3225 states and 7607 transitions. [2018-12-02 22:18:06,143 INFO L78 Accepts]: Start accepts. Automaton has 3225 states and 7607 transitions. Word has length 103 [2018-12-02 22:18:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:18:06,143 INFO L480 AbstractCegarLoop]: Abstraction has 3225 states and 7607 transitions. [2018-12-02 22:18:06,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 22:18:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 7607 transitions. [2018-12-02 22:18:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 22:18:06,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:18:06,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:18:06,146 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:18:06,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:18:06,146 INFO L82 PathProgramCache]: Analyzing trace with hash -218307923, now seen corresponding path program 2 times [2018-12-02 22:18:06,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:18:06,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:06,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:18:06,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:18:06,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:18:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:18:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:18:06,185 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 22:18:06,251 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 22:18:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:18:06 BasicIcfg [2018-12-02 22:18:06,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 22:18:06,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:18:06,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:18:06,253 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:18:06,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:12" (3/4) ... [2018-12-02 22:18:06,255 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 22:18:06,326 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e5953bc-4875-4837-b7fa-bd3eb5669a9a/bin-2019/utaipan/witness.graphml [2018-12-02 22:18:06,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:18:06,327 INFO L168 Benchmark]: Toolchain (without parser) took 54664.47 ms. Allocated memory was 1.0 GB in the beginning and 6.5 GB in the end (delta: 5.5 GB). Free memory was 947.0 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,328 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:18:06,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,329 INFO L168 Benchmark]: Boogie Preprocessor took 23.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:18:06,329 INFO L168 Benchmark]: RCFGBuilder took 416.21 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,329 INFO L168 Benchmark]: TraceAbstraction took 53774.68 ms. Allocated memory was 1.1 GB in the beginning and 6.5 GB in the end (delta: 5.3 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,330 INFO L168 Benchmark]: Witness Printer took 74.22 ms. Allocated memory is still 6.5 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:18:06,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.85 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 416.21 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53774.68 ms. Allocated memory was 1.1 GB in the beginning and 6.5 GB in the end (delta: 5.3 GB). Free memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 74.22 ms. Allocated memory is still 6.5 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L678] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L680] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L681] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L682] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L684] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L686] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L687] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L688] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L689] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L690] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L691] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L692] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L693] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L694] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L695] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L696] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L697] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L698] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L699] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L700] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L702] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L789] -1 pthread_t t1737; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L790] FCALL, FORK -1 pthread_create(&t1737, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L791] -1 pthread_t t1738; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] FCALL, FORK -1 pthread_create(&t1738, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 y$w_buff1 = y$w_buff0 [L738] 0 y$w_buff0 = 1 [L739] 0 y$w_buff1_used = y$w_buff0_used [L740] 0 y$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L743] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L744] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L745] 0 y$r_buff0_thd2 = (_Bool)1 [L748] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L749] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L750] 0 y$flush_delayed = weak$$choice2 [L751] 0 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] 0 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L753] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L754] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L754] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L755] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L756] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L756] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 0 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L757] 0 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L758] EXPR 0 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] 0 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L759] 0 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L760] EXPR 0 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L760] 0 y = y$flush_delayed ? y$mem_tmp : y [L761] 0 y$flush_delayed = (_Bool)0 [L764] 0 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 1 x = 1 [L709] 1 __unbuffered_p0_EAX = x [L712] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L713] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L714] 1 y$flush_delayed = weak$$choice2 [L715] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 0 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L768] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L768] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L769] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L769] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L770] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] 0 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L771] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] 0 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L774] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L716] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L717] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L718] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L719] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L720] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L720] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L721] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L721] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L722] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L722] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L723] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L724] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L724] 1 y = y$flush_delayed ? y$mem_tmp : y [L725] 1 y$flush_delayed = (_Bool)0 [L730] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L794] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L799] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L800] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L800] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L801] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L801] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L802] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L802] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L805] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 284 locations, 3 error locations. UNSAFE Result, 53.6s OverallTime, 27 OverallIterations, 1 TraceHistogramMax, 16.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9470 SDtfs, 11078 SDslu, 21708 SDs, 0 SdLazy, 8295 SolverSat, 507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 61 SyntacticMatches, 22 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201216occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 29.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 437229 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2178 NumberOfCodeBlocks, 2178 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2049 ConstructedInterpolants, 0 QuantifiedInterpolants, 374853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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...