./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix048_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_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/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 c0c8faded955830cd36120935919c3f9dab9bfdd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:57:28,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:57:28,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:57:28,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:57:28,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:57:28,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:57:28,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:57:28,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:57:28,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:57:28,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:57:28,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:57:28,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:57:28,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:57:28,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:57:28,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:57:28,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:57:28,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:57:28,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:57:28,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:57:28,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:57:28,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:57:28,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:57:28,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:57:28,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:57:28,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:57:28,180 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:57:28,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:57:28,181 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:57:28,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:57:28,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:57:28,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:57:28,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:57:28,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:57:28,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:57:28,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:57:28,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:57:28,183 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:57:28,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:57:28,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:57:28,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:57:28,191 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:57:28,191 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:57:28,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:57:28,191 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:57:28,191 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:57:28,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:57:28,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:57:28,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:57:28,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:57:28,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:57:28,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:57:28,194 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_356e5f7a-b877-42bc-9341-60ccc186d671/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 -> c0c8faded955830cd36120935919c3f9dab9bfdd [2018-12-09 17:57:28,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:57:28,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:57:28,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:57:28,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:57:28,222 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:57:28,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i [2018-12-09 17:57:28,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/data/cd1669b43/92ec806805394e3180e58a487bcc11b7/FLAGdc979d304 [2018-12-09 17:57:28,703 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:57:28,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i [2018-12-09 17:57:28,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/data/cd1669b43/92ec806805394e3180e58a487bcc11b7/FLAGdc979d304 [2018-12-09 17:57:28,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/data/cd1669b43/92ec806805394e3180e58a487bcc11b7 [2018-12-09 17:57:28,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:57:28,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:57:28,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:57:28,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:57:28,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:57:28,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:57:28" (1/1) ... [2018-12-09 17:57:28,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:28, skipping insertion in model container [2018-12-09 17:57:28,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:57:28" (1/1) ... [2018-12-09 17:57:28,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:57:28,751 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:57:28,926 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:57:28,934 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:57:29,006 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:57:29,036 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:57:29,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29 WrapperNode [2018-12-09 17:57:29,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:57:29,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:57:29,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:57:29,037 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:57:29,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:57:29,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:57:29,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:57:29,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:57:29,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... [2018-12-09 17:57:29,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:57:29,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:57:29,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:57:29,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:57:29,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:57:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:57:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 17:57:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 17:57:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:57:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 17:57:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 17:57:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 17:57:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 17:57:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 17:57:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:57:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:57:29,123 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 17:57:29,429 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:57:29,429 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 17:57:29,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:57:29 BoogieIcfgContainer [2018-12-09 17:57:29,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:57:29,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:57:29,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:57:29,432 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:57:29,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:57:28" (1/3) ... [2018-12-09 17:57:29,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb6b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:57:29, skipping insertion in model container [2018-12-09 17:57:29,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:57:29" (2/3) ... [2018-12-09 17:57:29,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb6b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:57:29, skipping insertion in model container [2018-12-09 17:57:29,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:57:29" (3/3) ... [2018-12-09 17:57:29,434 INFO L112 eAbstractionObserver]: Analyzing ICFG mix048_tso.opt_false-unreach-call.i [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,458 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,459 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,460 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,461 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,462 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,462 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,462 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,463 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,464 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,467 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,469 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,470 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,471 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,472 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,473 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,474 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,475 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,476 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,477 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,478 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,479 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,480 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,480 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,480 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,480 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,480 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:57:29,484 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 17:57:29,485 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:57:29,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 17:57:29,506 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 17:57:29,528 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:57:29,528 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:57:29,528 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:57:29,528 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:57:29,528 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:57:29,528 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:57:29,528 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:57:29,528 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:57:29,537 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-09 17:57:31,134 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-09 17:57:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-09 17:57:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 17:57:31,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:31,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:31,142 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:31,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:31,145 INFO L82 PathProgramCache]: Analyzing trace with hash -454041356, now seen corresponding path program 1 times [2018-12-09 17:57:31,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:31,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:31,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:31,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:31,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:31,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:31,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:31,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:31,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:31,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:31,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:31,292 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-09 17:57:31,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:31,783 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-09 17:57:31,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:57:31,784 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-09 17:57:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:31,932 INFO L225 Difference]: With dead ends: 60790 [2018-12-09 17:57:31,932 INFO L226 Difference]: Without dead ends: 44270 [2018-12-09 17:57:31,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-09 17:57:32,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-09 17:57:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-09 17:57:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-09 17:57:32,706 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-09 17:57:32,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:32,706 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-09 17:57:32,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-09 17:57:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 17:57:32,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:32,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:32,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:32,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:32,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1863363909, now seen corresponding path program 1 times [2018-12-09 17:57:32,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:32,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:32,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:32,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:32,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:32,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:32,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:32,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:32,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:32,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:32,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:32,777 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-09 17:57:32,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:32,866 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-09 17:57:32,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:57:32,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-09 17:57:32,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:32,887 INFO L225 Difference]: With dead ends: 8528 [2018-12-09 17:57:32,888 INFO L226 Difference]: Without dead ends: 7466 [2018-12-09 17:57:32,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-09 17:57:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-09 17:57:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-09 17:57:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-09 17:57:32,982 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-09 17:57:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:32,982 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-09 17:57:32,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-09 17:57:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 17:57:32,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:32,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:32,983 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:32,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:32,983 INFO L82 PathProgramCache]: Analyzing trace with hash 591681941, now seen corresponding path program 1 times [2018-12-09 17:57:32,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:32,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:32,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:32,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:32,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:33,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:33,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:33,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:33,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:33,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:33,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:33,033 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-09 17:57:33,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:33,264 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-09 17:57:33,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:33,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-09 17:57:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:33,290 INFO L225 Difference]: With dead ends: 13998 [2018-12-09 17:57:33,291 INFO L226 Difference]: Without dead ends: 13930 [2018-12-09 17:57:33,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:57:33,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-09 17:57:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-09 17:57:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-09 17:57:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-09 17:57:33,474 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-09 17:57:33,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:33,475 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-09 17:57:33,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-09 17:57:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 17:57:33,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:33,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:33,477 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:33,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:33,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1652121253, now seen corresponding path program 1 times [2018-12-09 17:57:33,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:33,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:33,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:33,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:33,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:33,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:33,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:57:33,514 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:33,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:57:33,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:57:33,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:33,514 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-09 17:57:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:33,570 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-09 17:57:33,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:57:33,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-09 17:57:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:33,588 INFO L225 Difference]: With dead ends: 13279 [2018-12-09 17:57:33,588 INFO L226 Difference]: Without dead ends: 13279 [2018-12-09 17:57:33,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:33,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-09 17:57:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-09 17:57:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-09 17:57:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-09 17:57:33,709 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-09 17:57:33,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:33,710 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-09 17:57:33,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:57:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-09 17:57:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 17:57:33,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:33,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:33,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:33,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:33,712 INFO L82 PathProgramCache]: Analyzing trace with hash -164023066, now seen corresponding path program 1 times [2018-12-09 17:57:33,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:33,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:33,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:33,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:33,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:33,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:33,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:57:33,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:33,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:57:33,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:57:33,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:33,787 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-09 17:57:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:34,198 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-09 17:57:34,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:57:34,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 17:57:34,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:34,211 INFO L225 Difference]: With dead ends: 12285 [2018-12-09 17:57:34,211 INFO L226 Difference]: Without dead ends: 12213 [2018-12-09 17:57:34,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-09 17:57:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-09 17:57:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-09 17:57:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-09 17:57:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-09 17:57:34,323 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-09 17:57:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:34,323 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-09 17:57:34,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:57:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-09 17:57:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 17:57:34,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:34,326 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:34,326 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:34,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:34,326 INFO L82 PathProgramCache]: Analyzing trace with hash 317195842, now seen corresponding path program 1 times [2018-12-09 17:57:34,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:34,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:34,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:34,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:34,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:34,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:34,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:34,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:34,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:34,368 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-09 17:57:34,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:34,444 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-09 17:57:34,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:57:34,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-09 17:57:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:34,458 INFO L225 Difference]: With dead ends: 12396 [2018-12-09 17:57:34,458 INFO L226 Difference]: Without dead ends: 12396 [2018-12-09 17:57:34,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-09 17:57:34,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-09 17:57:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-09 17:57:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-09 17:57:34,587 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-09 17:57:34,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:34,588 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-09 17:57:34,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-09 17:57:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 17:57:34,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:34,594 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:34,594 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:34,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:34,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2060006177, now seen corresponding path program 1 times [2018-12-09 17:57:34,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:34,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:34,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:34,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:34,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:34,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:34,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:34,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:34,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:34,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:34,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:34,667 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-09 17:57:35,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:35,032 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-09 17:57:35,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:57:35,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-09 17:57:35,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:35,058 INFO L225 Difference]: With dead ends: 20969 [2018-12-09 17:57:35,058 INFO L226 Difference]: Without dead ends: 20898 [2018-12-09 17:57:35,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:57:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-09 17:57:35,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-09 17:57:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-09 17:57:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-09 17:57:35,273 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-09 17:57:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:35,273 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-09 17:57:35,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-09 17:57:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 17:57:35,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:35,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:35,279 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:35,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1699576415, now seen corresponding path program 1 times [2018-12-09 17:57:35,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:35,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:35,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:35,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:35,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:35,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:35,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:35,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:35,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:35,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:35,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:35,326 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-09 17:57:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:35,518 INFO L93 Difference]: Finished difference Result 17635 states and 54585 transitions. [2018-12-09 17:57:35,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:57:35,519 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-09 17:57:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:35,537 INFO L225 Difference]: With dead ends: 17635 [2018-12-09 17:57:35,537 INFO L226 Difference]: Without dead ends: 17635 [2018-12-09 17:57:35,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17635 states. [2018-12-09 17:57:35,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17635 to 15793. [2018-12-09 17:57:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15793 states. [2018-12-09 17:57:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15793 states to 15793 states and 49131 transitions. [2018-12-09 17:57:35,703 INFO L78 Accepts]: Start accepts. Automaton has 15793 states and 49131 transitions. Word has length 64 [2018-12-09 17:57:35,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:35,703 INFO L480 AbstractCegarLoop]: Abstraction has 15793 states and 49131 transitions. [2018-12-09 17:57:35,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15793 states and 49131 transitions. [2018-12-09 17:57:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 17:57:35,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:35,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:35,709 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:35,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:35,709 INFO L82 PathProgramCache]: Analyzing trace with hash -377632928, now seen corresponding path program 1 times [2018-12-09 17:57:35,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:35,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:35,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:35,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:35,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:35,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:35,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:57:35,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:35,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:57:35,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:57:35,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:35,746 INFO L87 Difference]: Start difference. First operand 15793 states and 49131 transitions. Second operand 3 states. [2018-12-09 17:57:35,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:35,894 INFO L93 Difference]: Finished difference Result 16385 states and 50738 transitions. [2018-12-09 17:57:35,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:57:35,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-09 17:57:35,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:35,911 INFO L225 Difference]: With dead ends: 16385 [2018-12-09 17:57:35,912 INFO L226 Difference]: Without dead ends: 16385 [2018-12-09 17:57:35,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16385 states. [2018-12-09 17:57:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16385 to 16109. [2018-12-09 17:57:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-12-09 17:57:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 49981 transitions. [2018-12-09 17:57:36,079 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 49981 transitions. Word has length 64 [2018-12-09 17:57:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:36,080 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 49981 transitions. [2018-12-09 17:57:36,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:57:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 49981 transitions. [2018-12-09 17:57:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:36,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:36,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:36,085 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:36,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1938632710, now seen corresponding path program 1 times [2018-12-09 17:57:36,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:36,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:36,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:36,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:36,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:36,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:36,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:36,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:36,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:36,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:36,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:36,158 INFO L87 Difference]: Start difference. First operand 16109 states and 49981 transitions. Second operand 6 states. [2018-12-09 17:57:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:36,798 INFO L93 Difference]: Finished difference Result 19821 states and 60437 transitions. [2018-12-09 17:57:36,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:36,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 17:57:36,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:36,823 INFO L225 Difference]: With dead ends: 19821 [2018-12-09 17:57:36,823 INFO L226 Difference]: Without dead ends: 19821 [2018-12-09 17:57:36,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2018-12-09 17:57:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 18617. [2018-12-09 17:57:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18617 states. [2018-12-09 17:57:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 57217 transitions. [2018-12-09 17:57:37,009 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 57217 transitions. Word has length 66 [2018-12-09 17:57:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:37,009 INFO L480 AbstractCegarLoop]: Abstraction has 18617 states and 57217 transitions. [2018-12-09 17:57:37,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 57217 transitions. [2018-12-09 17:57:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:37,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:37,016 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:37,016 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:37,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:37,016 INFO L82 PathProgramCache]: Analyzing trace with hash -138576633, now seen corresponding path program 1 times [2018-12-09 17:57:37,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:37,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:37,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:37,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:37,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:37,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:37,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:37,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:37,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:37,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:37,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:37,085 INFO L87 Difference]: Start difference. First operand 18617 states and 57217 transitions. Second operand 6 states. [2018-12-09 17:57:37,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:37,347 INFO L93 Difference]: Finished difference Result 21449 states and 63626 transitions. [2018-12-09 17:57:37,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 17:57:37,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 17:57:37,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:37,368 INFO L225 Difference]: With dead ends: 21449 [2018-12-09 17:57:37,368 INFO L226 Difference]: Without dead ends: 21449 [2018-12-09 17:57:37,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2018-12-09 17:57:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 19133. [2018-12-09 17:57:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19133 states. [2018-12-09 17:57:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19133 states to 19133 states and 57764 transitions. [2018-12-09 17:57:37,565 INFO L78 Accepts]: Start accepts. Automaton has 19133 states and 57764 transitions. Word has length 66 [2018-12-09 17:57:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:37,565 INFO L480 AbstractCegarLoop]: Abstraction has 19133 states and 57764 transitions. [2018-12-09 17:57:37,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19133 states and 57764 transitions. [2018-12-09 17:57:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:37,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:37,572 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:37,572 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:37,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:37,572 INFO L82 PathProgramCache]: Analyzing trace with hash 72774280, now seen corresponding path program 1 times [2018-12-09 17:57:37,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:37,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:37,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:37,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:37,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:37,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:37,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:37,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:37,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:37,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:37,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:37,618 INFO L87 Difference]: Start difference. First operand 19133 states and 57764 transitions. Second operand 5 states. [2018-12-09 17:57:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:37,836 INFO L93 Difference]: Finished difference Result 25024 states and 75018 transitions. [2018-12-09 17:57:37,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:37,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 17:57:37,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:37,863 INFO L225 Difference]: With dead ends: 25024 [2018-12-09 17:57:37,863 INFO L226 Difference]: Without dead ends: 25024 [2018-12-09 17:57:37,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25024 states. [2018-12-09 17:57:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25024 to 22709. [2018-12-09 17:57:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22709 states. [2018-12-09 17:57:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22709 states to 22709 states and 68032 transitions. [2018-12-09 17:57:38,128 INFO L78 Accepts]: Start accepts. Automaton has 22709 states and 68032 transitions. Word has length 66 [2018-12-09 17:57:38,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:38,128 INFO L480 AbstractCegarLoop]: Abstraction has 22709 states and 68032 transitions. [2018-12-09 17:57:38,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22709 states and 68032 transitions. [2018-12-09 17:57:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:38,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:38,136 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:38,136 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:38,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:38,136 INFO L82 PathProgramCache]: Analyzing trace with hash -437759897, now seen corresponding path program 1 times [2018-12-09 17:57:38,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:38,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:38,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:38,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:38,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:38,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:38,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:38,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:38,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:38,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:38,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:38,180 INFO L87 Difference]: Start difference. First operand 22709 states and 68032 transitions. Second operand 4 states. [2018-12-09 17:57:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:38,568 INFO L93 Difference]: Finished difference Result 31689 states and 95699 transitions. [2018-12-09 17:57:38,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:57:38,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-09 17:57:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:38,607 INFO L225 Difference]: With dead ends: 31689 [2018-12-09 17:57:38,607 INFO L226 Difference]: Without dead ends: 31537 [2018-12-09 17:57:38,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:38,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31537 states. [2018-12-09 17:57:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31537 to 28553. [2018-12-09 17:57:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28553 states. [2018-12-09 17:57:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28553 states to 28553 states and 86263 transitions. [2018-12-09 17:57:38,976 INFO L78 Accepts]: Start accepts. Automaton has 28553 states and 86263 transitions. Word has length 66 [2018-12-09 17:57:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:38,976 INFO L480 AbstractCegarLoop]: Abstraction has 28553 states and 86263 transitions. [2018-12-09 17:57:38,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 28553 states and 86263 transitions. [2018-12-09 17:57:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:38,985 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:38,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:38,986 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:38,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:38,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1369694566, now seen corresponding path program 1 times [2018-12-09 17:57:38,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:38,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:38,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:38,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:38,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:39,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:39,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:39,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:39,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:39,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:39,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:39,016 INFO L87 Difference]: Start difference. First operand 28553 states and 86263 transitions. Second operand 5 states. [2018-12-09 17:57:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:39,348 INFO L93 Difference]: Finished difference Result 40195 states and 119844 transitions. [2018-12-09 17:57:39,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:57:39,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 17:57:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:39,393 INFO L225 Difference]: With dead ends: 40195 [2018-12-09 17:57:39,393 INFO L226 Difference]: Without dead ends: 39987 [2018-12-09 17:57:39,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:57:39,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39987 states. [2018-12-09 17:57:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39987 to 35807. [2018-12-09 17:57:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-09 17:57:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-09 17:57:39,789 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-09 17:57:39,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:39,789 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-09 17:57:39,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-09 17:57:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:39,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:39,798 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:39,798 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:39,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:39,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2060256040, now seen corresponding path program 1 times [2018-12-09 17:57:39,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:39,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:39,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:39,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:39,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:39,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:39,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:39,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:39,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:39,878 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 9 states. [2018-12-09 17:57:40,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:40,485 INFO L93 Difference]: Finished difference Result 44023 states and 131291 transitions. [2018-12-09 17:57:40,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:57:40,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2018-12-09 17:57:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:40,535 INFO L225 Difference]: With dead ends: 44023 [2018-12-09 17:57:40,535 INFO L226 Difference]: Without dead ends: 44023 [2018-12-09 17:57:40,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:57:40,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44023 states. [2018-12-09 17:57:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44023 to 38973. [2018-12-09 17:57:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38973 states. [2018-12-09 17:57:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38973 states to 38973 states and 116711 transitions. [2018-12-09 17:57:41,018 INFO L78 Accepts]: Start accepts. Automaton has 38973 states and 116711 transitions. Word has length 66 [2018-12-09 17:57:41,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:41,019 INFO L480 AbstractCegarLoop]: Abstraction has 38973 states and 116711 transitions. [2018-12-09 17:57:41,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 38973 states and 116711 transitions. [2018-12-09 17:57:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:41,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:41,027 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:41,028 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:41,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:41,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1347207575, now seen corresponding path program 1 times [2018-12-09 17:57:41,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:41,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:41,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:41,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:41,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:41,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:41,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:41,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:41,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:41,063 INFO L87 Difference]: Start difference. First operand 38973 states and 116711 transitions. Second operand 5 states. [2018-12-09 17:57:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:41,106 INFO L93 Difference]: Finished difference Result 9637 states and 23357 transitions. [2018-12-09 17:57:41,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:57:41,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 17:57:41,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:41,111 INFO L225 Difference]: With dead ends: 9637 [2018-12-09 17:57:41,112 INFO L226 Difference]: Without dead ends: 7669 [2018-12-09 17:57:41,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7669 states. [2018-12-09 17:57:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7669 to 6276. [2018-12-09 17:57:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6276 states. [2018-12-09 17:57:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 14833 transitions. [2018-12-09 17:57:41,163 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 14833 transitions. Word has length 66 [2018-12-09 17:57:41,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:41,163 INFO L480 AbstractCegarLoop]: Abstraction has 6276 states and 14833 transitions. [2018-12-09 17:57:41,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 14833 transitions. [2018-12-09 17:57:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:57:41,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:41,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:41,166 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:41,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:41,166 INFO L82 PathProgramCache]: Analyzing trace with hash 890203314, now seen corresponding path program 1 times [2018-12-09 17:57:41,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:41,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:41,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:41,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:41,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:57:41,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:41,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:57:41,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:57:41,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:41,186 INFO L87 Difference]: Start difference. First operand 6276 states and 14833 transitions. Second operand 3 states. [2018-12-09 17:57:41,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:41,211 INFO L93 Difference]: Finished difference Result 8733 states and 20570 transitions. [2018-12-09 17:57:41,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:57:41,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-09 17:57:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:41,217 INFO L225 Difference]: With dead ends: 8733 [2018-12-09 17:57:41,217 INFO L226 Difference]: Without dead ends: 8733 [2018-12-09 17:57:41,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8733 states. [2018-12-09 17:57:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 6213. [2018-12-09 17:57:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6213 states. [2018-12-09 17:57:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 14371 transitions. [2018-12-09 17:57:41,268 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 14371 transitions. Word has length 66 [2018-12-09 17:57:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:41,268 INFO L480 AbstractCegarLoop]: Abstraction has 6213 states and 14371 transitions. [2018-12-09 17:57:41,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:57:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 14371 transitions. [2018-12-09 17:57:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 17:57:41,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:41,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:41,272 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:41,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:41,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1181781029, now seen corresponding path program 1 times [2018-12-09 17:57:41,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:41,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:41,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:41,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:41,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:41,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:41,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:41,307 INFO L87 Difference]: Start difference. First operand 6213 states and 14371 transitions. Second operand 5 states. [2018-12-09 17:57:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:41,401 INFO L93 Difference]: Finished difference Result 7383 states and 17012 transitions. [2018-12-09 17:57:41,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 17:57:41,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-09 17:57:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:41,406 INFO L225 Difference]: With dead ends: 7383 [2018-12-09 17:57:41,406 INFO L226 Difference]: Without dead ends: 7383 [2018-12-09 17:57:41,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2018-12-09 17:57:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 6657. [2018-12-09 17:57:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6657 states. [2018-12-09 17:57:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6657 states to 6657 states and 15375 transitions. [2018-12-09 17:57:41,452 INFO L78 Accepts]: Start accepts. Automaton has 6657 states and 15375 transitions. Word has length 72 [2018-12-09 17:57:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:41,452 INFO L480 AbstractCegarLoop]: Abstraction has 6657 states and 15375 transitions. [2018-12-09 17:57:41,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 6657 states and 15375 transitions. [2018-12-09 17:57:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 17:57:41,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:41,456 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:41,456 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:41,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:41,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1370375932, now seen corresponding path program 1 times [2018-12-09 17:57:41,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:41,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:41,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:41,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:41,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:41,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:41,550 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:41,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:41,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:41,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:41,551 INFO L87 Difference]: Start difference. First operand 6657 states and 15375 transitions. Second operand 9 states. [2018-12-09 17:57:41,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:41,946 INFO L93 Difference]: Finished difference Result 8851 states and 20272 transitions. [2018-12-09 17:57:41,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 17:57:41,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-09 17:57:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:41,952 INFO L225 Difference]: With dead ends: 8851 [2018-12-09 17:57:41,953 INFO L226 Difference]: Without dead ends: 8732 [2018-12-09 17:57:41,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:57:41,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8732 states. [2018-12-09 17:57:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 6746. [2018-12-09 17:57:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6746 states. [2018-12-09 17:57:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 15444 transitions. [2018-12-09 17:57:42,007 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 15444 transitions. Word has length 72 [2018-12-09 17:57:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:42,008 INFO L480 AbstractCegarLoop]: Abstraction has 6746 states and 15444 transitions. [2018-12-09 17:57:42,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 15444 transitions. [2018-12-09 17:57:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 17:57:42,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:42,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:42,012 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:42,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:42,012 INFO L82 PathProgramCache]: Analyzing trace with hash 342181544, now seen corresponding path program 1 times [2018-12-09 17:57:42,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:42,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:42,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:42,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:42,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:57:42,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:42,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:57:42,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:57:42,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:42,041 INFO L87 Difference]: Start difference. First operand 6746 states and 15444 transitions. Second operand 3 states. [2018-12-09 17:57:42,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:42,139 INFO L93 Difference]: Finished difference Result 8422 states and 18970 transitions. [2018-12-09 17:57:42,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:57:42,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-12-09 17:57:42,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:42,145 INFO L225 Difference]: With dead ends: 8422 [2018-12-09 17:57:42,145 INFO L226 Difference]: Without dead ends: 8422 [2018-12-09 17:57:42,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:42,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2018-12-09 17:57:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 7857. [2018-12-09 17:57:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7857 states. [2018-12-09 17:57:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7857 states to 7857 states and 17760 transitions. [2018-12-09 17:57:42,204 INFO L78 Accepts]: Start accepts. Automaton has 7857 states and 17760 transitions. Word has length 91 [2018-12-09 17:57:42,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:42,204 INFO L480 AbstractCegarLoop]: Abstraction has 7857 states and 17760 transitions. [2018-12-09 17:57:42,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:57:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7857 states and 17760 transitions. [2018-12-09 17:57:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 17:57:42,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:42,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:42,210 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:42,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:42,210 INFO L82 PathProgramCache]: Analyzing trace with hash 39095599, now seen corresponding path program 1 times [2018-12-09 17:57:42,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:42,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:42,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:42,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:42,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:57:42,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:42,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:57:42,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:57:42,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:57:42,248 INFO L87 Difference]: Start difference. First operand 7857 states and 17760 transitions. Second operand 4 states. [2018-12-09 17:57:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:42,313 INFO L93 Difference]: Finished difference Result 8431 states and 19074 transitions. [2018-12-09 17:57:42,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:57:42,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 17:57:42,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:42,321 INFO L225 Difference]: With dead ends: 8431 [2018-12-09 17:57:42,321 INFO L226 Difference]: Without dead ends: 8431 [2018-12-09 17:57:42,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:42,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8431 states. [2018-12-09 17:57:42,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8431 to 7772. [2018-12-09 17:57:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2018-12-09 17:57:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 17676 transitions. [2018-12-09 17:57:42,387 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 17676 transitions. Word has length 91 [2018-12-09 17:57:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:42,387 INFO L480 AbstractCegarLoop]: Abstraction has 7772 states and 17676 transitions. [2018-12-09 17:57:42,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:57:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 17676 transitions. [2018-12-09 17:57:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:42,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:42,393 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:42,393 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:42,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:42,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1745561198, now seen corresponding path program 1 times [2018-12-09 17:57:42,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:42,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:42,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:42,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:42,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:42,441 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:42,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:42,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:42,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:42,441 INFO L87 Difference]: Start difference. First operand 7772 states and 17676 transitions. Second operand 5 states. [2018-12-09 17:57:42,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:42,517 INFO L93 Difference]: Finished difference Result 8948 states and 20243 transitions. [2018-12-09 17:57:42,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:42,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 17:57:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:42,525 INFO L225 Difference]: With dead ends: 8948 [2018-12-09 17:57:42,526 INFO L226 Difference]: Without dead ends: 8948 [2018-12-09 17:57:42,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2018-12-09 17:57:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 6902. [2018-12-09 17:57:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6902 states. [2018-12-09 17:57:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6902 states to 6902 states and 15741 transitions. [2018-12-09 17:57:42,592 INFO L78 Accepts]: Start accepts. Automaton has 6902 states and 15741 transitions. Word has length 93 [2018-12-09 17:57:42,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:42,592 INFO L480 AbstractCegarLoop]: Abstraction has 6902 states and 15741 transitions. [2018-12-09 17:57:42,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6902 states and 15741 transitions. [2018-12-09 17:57:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:42,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:42,597 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:42,598 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:42,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:42,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1490824653, now seen corresponding path program 1 times [2018-12-09 17:57:42,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:42,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:42,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:42,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:42,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:42,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:57:42,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:42,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:57:42,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:57:42,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:57:42,651 INFO L87 Difference]: Start difference. First operand 6902 states and 15741 transitions. Second operand 5 states. [2018-12-09 17:57:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:43,016 INFO L93 Difference]: Finished difference Result 11458 states and 26340 transitions. [2018-12-09 17:57:43,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 17:57:43,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 17:57:43,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:43,023 INFO L225 Difference]: With dead ends: 11458 [2018-12-09 17:57:43,023 INFO L226 Difference]: Without dead ends: 11380 [2018-12-09 17:57:43,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11380 states. [2018-12-09 17:57:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11380 to 8056. [2018-12-09 17:57:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8056 states. [2018-12-09 17:57:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8056 states to 8056 states and 18403 transitions. [2018-12-09 17:57:43,100 INFO L78 Accepts]: Start accepts. Automaton has 8056 states and 18403 transitions. Word has length 93 [2018-12-09 17:57:43,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:43,101 INFO L480 AbstractCegarLoop]: Abstraction has 8056 states and 18403 transitions. [2018-12-09 17:57:43,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:57:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 8056 states and 18403 transitions. [2018-12-09 17:57:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:43,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:43,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:43,108 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:43,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:43,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1559378162, now seen corresponding path program 1 times [2018-12-09 17:57:43,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:43,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:43,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,109 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:43,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:43,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:43,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:43,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:43,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:43,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:43,160 INFO L87 Difference]: Start difference. First operand 8056 states and 18403 transitions. Second operand 6 states. [2018-12-09 17:57:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:43,346 INFO L93 Difference]: Finished difference Result 10204 states and 23157 transitions. [2018-12-09 17:57:43,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:57:43,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 17:57:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:43,353 INFO L225 Difference]: With dead ends: 10204 [2018-12-09 17:57:43,353 INFO L226 Difference]: Without dead ends: 10125 [2018-12-09 17:57:43,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:57:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2018-12-09 17:57:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 7529. [2018-12-09 17:57:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7529 states. [2018-12-09 17:57:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7529 states to 7529 states and 17293 transitions. [2018-12-09 17:57:43,437 INFO L78 Accepts]: Start accepts. Automaton has 7529 states and 17293 transitions. Word has length 93 [2018-12-09 17:57:43,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:43,438 INFO L480 AbstractCegarLoop]: Abstraction has 7529 states and 17293 transitions. [2018-12-09 17:57:43,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 7529 states and 17293 transitions. [2018-12-09 17:57:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:43,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:43,444 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:43,444 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:43,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:43,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1497612213, now seen corresponding path program 1 times [2018-12-09 17:57:43,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:43,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:43,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:43,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:43,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:43,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:43,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:43,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:43,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:43,536 INFO L87 Difference]: Start difference. First operand 7529 states and 17293 transitions. Second operand 9 states. [2018-12-09 17:57:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:43,868 INFO L93 Difference]: Finished difference Result 10604 states and 24259 transitions. [2018-12-09 17:57:43,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 17:57:43,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-09 17:57:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:43,874 INFO L225 Difference]: With dead ends: 10604 [2018-12-09 17:57:43,874 INFO L226 Difference]: Without dead ends: 10572 [2018-12-09 17:57:43,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:57:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2018-12-09 17:57:43,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 9100. [2018-12-09 17:57:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9100 states. [2018-12-09 17:57:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9100 states to 9100 states and 20773 transitions. [2018-12-09 17:57:43,944 INFO L78 Accepts]: Start accepts. Automaton has 9100 states and 20773 transitions. Word has length 93 [2018-12-09 17:57:43,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:43,944 INFO L480 AbstractCegarLoop]: Abstraction has 9100 states and 20773 transitions. [2018-12-09 17:57:43,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 9100 states and 20773 transitions. [2018-12-09 17:57:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:43,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:43,950 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:43,950 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:43,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:43,950 INFO L82 PathProgramCache]: Analyzing trace with hash -299339146, now seen corresponding path program 1 times [2018-12-09 17:57:43,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:43,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:43,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:43,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:44,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:44,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 17:57:44,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:44,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:57:44,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:57:44,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:57:44,006 INFO L87 Difference]: Start difference. First operand 9100 states and 20773 transitions. Second operand 8 states. [2018-12-09 17:57:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:44,240 INFO L93 Difference]: Finished difference Result 14198 states and 32836 transitions. [2018-12-09 17:57:44,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 17:57:44,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-09 17:57:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:44,249 INFO L225 Difference]: With dead ends: 14198 [2018-12-09 17:57:44,250 INFO L226 Difference]: Without dead ends: 14198 [2018-12-09 17:57:44,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-09 17:57:44,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14198 states. [2018-12-09 17:57:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14198 to 9690. [2018-12-09 17:57:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9690 states. [2018-12-09 17:57:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 22304 transitions. [2018-12-09 17:57:44,337 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 22304 transitions. Word has length 93 [2018-12-09 17:57:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:44,337 INFO L480 AbstractCegarLoop]: Abstraction has 9690 states and 22304 transitions. [2018-12-09 17:57:44,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:57:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 22304 transitions. [2018-12-09 17:57:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:57:44,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:44,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:44,343 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:44,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash 588164535, now seen corresponding path program 1 times [2018-12-09 17:57:44,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:44,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:44,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:44,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:44,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:44,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:44,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:57:44,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:44,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:57:44,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:57:44,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:57:44,374 INFO L87 Difference]: Start difference. First operand 9690 states and 22304 transitions. Second operand 3 states. [2018-12-09 17:57:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:44,398 INFO L93 Difference]: Finished difference Result 9434 states and 21504 transitions. [2018-12-09 17:57:44,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:57:44,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-09 17:57:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:44,404 INFO L225 Difference]: With dead ends: 9434 [2018-12-09 17:57:44,405 INFO L226 Difference]: Without dead ends: 9402 [2018-12-09 17:57:44,405 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 [2018-12-09 17:57:44,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2018-12-09 17:57:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 7460. [2018-12-09 17:57:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7460 states. [2018-12-09 17:57:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 16875 transitions. [2018-12-09 17:57:44,465 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 16875 transitions. Word has length 93 [2018-12-09 17:57:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:44,466 INFO L480 AbstractCegarLoop]: Abstraction has 7460 states and 16875 transitions. [2018-12-09 17:57:44,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:57:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 16875 transitions. [2018-12-09 17:57:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:44,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:44,470 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:44,470 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:44,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash -360597677, now seen corresponding path program 1 times [2018-12-09 17:57:44,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:44,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:44,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:44,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:44,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:44,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:44,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 17:57:44,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:44,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:57:44,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:57:44,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:57:44,590 INFO L87 Difference]: Start difference. First operand 7460 states and 16875 transitions. Second operand 11 states. [2018-12-09 17:57:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:45,198 INFO L93 Difference]: Finished difference Result 9968 states and 22228 transitions. [2018-12-09 17:57:45,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 17:57:45,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-09 17:57:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:45,205 INFO L225 Difference]: With dead ends: 9968 [2018-12-09 17:57:45,205 INFO L226 Difference]: Without dead ends: 9968 [2018-12-09 17:57:45,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-12-09 17:57:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2018-12-09 17:57:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 8883. [2018-12-09 17:57:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8883 states. [2018-12-09 17:57:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 19937 transitions. [2018-12-09 17:57:45,272 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 19937 transitions. Word has length 95 [2018-12-09 17:57:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:45,273 INFO L480 AbstractCegarLoop]: Abstraction has 8883 states and 19937 transitions. [2018-12-09 17:57:45,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:57:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 19937 transitions. [2018-12-09 17:57:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:45,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:45,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:45,279 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:45,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:45,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1550303339, now seen corresponding path program 1 times [2018-12-09 17:57:45,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:45,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:45,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:45,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:45,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:45,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:45,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:45,369 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:45,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:45,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:45,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:45,370 INFO L87 Difference]: Start difference. First operand 8883 states and 19937 transitions. Second operand 9 states. [2018-12-09 17:57:45,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:45,718 INFO L93 Difference]: Finished difference Result 11095 states and 24591 transitions. [2018-12-09 17:57:45,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 17:57:45,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-09 17:57:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:45,725 INFO L225 Difference]: With dead ends: 11095 [2018-12-09 17:57:45,725 INFO L226 Difference]: Without dead ends: 11095 [2018-12-09 17:57:45,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-12-09 17:57:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11095 states. [2018-12-09 17:57:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11095 to 9338. [2018-12-09 17:57:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9338 states. [2018-12-09 17:57:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9338 states to 9338 states and 20900 transitions. [2018-12-09 17:57:45,795 INFO L78 Accepts]: Start accepts. Automaton has 9338 states and 20900 transitions. Word has length 95 [2018-12-09 17:57:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:45,795 INFO L480 AbstractCegarLoop]: Abstraction has 9338 states and 20900 transitions. [2018-12-09 17:57:45,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 9338 states and 20900 transitions. [2018-12-09 17:57:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:45,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:45,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:45,801 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:45,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:45,801 INFO L82 PathProgramCache]: Analyzing trace with hash 2068511189, now seen corresponding path program 1 times [2018-12-09 17:57:45,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:45,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:45,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:45,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:45,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:45,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:45,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:45,891 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:45,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:45,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:45,891 INFO L87 Difference]: Start difference. First operand 9338 states and 20900 transitions. Second operand 9 states. [2018-12-09 17:57:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:46,168 INFO L93 Difference]: Finished difference Result 10117 states and 22547 transitions. [2018-12-09 17:57:46,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 17:57:46,169 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-09 17:57:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:46,175 INFO L225 Difference]: With dead ends: 10117 [2018-12-09 17:57:46,175 INFO L226 Difference]: Without dead ends: 10117 [2018-12-09 17:57:46,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-09 17:57:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10117 states. [2018-12-09 17:57:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10117 to 7028. [2018-12-09 17:57:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7028 states. [2018-12-09 17:57:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7028 states to 7028 states and 15724 transitions. [2018-12-09 17:57:46,234 INFO L78 Accepts]: Start accepts. Automaton has 7028 states and 15724 transitions. Word has length 95 [2018-12-09 17:57:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:46,235 INFO L480 AbstractCegarLoop]: Abstraction has 7028 states and 15724 transitions. [2018-12-09 17:57:46,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 7028 states and 15724 transitions. [2018-12-09 17:57:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:46,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:46,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:46,239 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:46,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:46,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1338952426, now seen corresponding path program 1 times [2018-12-09 17:57:46,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:46,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:46,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:46,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:46,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:46,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:46,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 17:57:46,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:46,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:57:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:57:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:57:46,330 INFO L87 Difference]: Start difference. First operand 7028 states and 15724 transitions. Second operand 11 states. [2018-12-09 17:57:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:47,116 INFO L93 Difference]: Finished difference Result 13312 states and 30006 transitions. [2018-12-09 17:57:47,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 17:57:47,117 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-09 17:57:47,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:47,122 INFO L225 Difference]: With dead ends: 13312 [2018-12-09 17:57:47,122 INFO L226 Difference]: Without dead ends: 9089 [2018-12-09 17:57:47,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-09 17:57:47,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9089 states. [2018-12-09 17:57:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9089 to 6789. [2018-12-09 17:57:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6789 states. [2018-12-09 17:57:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6789 states to 6789 states and 15157 transitions. [2018-12-09 17:57:47,174 INFO L78 Accepts]: Start accepts. Automaton has 6789 states and 15157 transitions. Word has length 95 [2018-12-09 17:57:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:47,174 INFO L480 AbstractCegarLoop]: Abstraction has 6789 states and 15157 transitions. [2018-12-09 17:57:47,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:57:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6789 states and 15157 transitions. [2018-12-09 17:57:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:47,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:47,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:47,179 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:47,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1071746382, now seen corresponding path program 1 times [2018-12-09 17:57:47,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:47,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:47,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:47,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:47,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:47,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:47,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:47,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:47,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:47,266 INFO L87 Difference]: Start difference. First operand 6789 states and 15157 transitions. Second operand 6 states. [2018-12-09 17:57:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:47,370 INFO L93 Difference]: Finished difference Result 7655 states and 16871 transitions. [2018-12-09 17:57:47,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:47,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 17:57:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:47,375 INFO L225 Difference]: With dead ends: 7655 [2018-12-09 17:57:47,376 INFO L226 Difference]: Without dead ends: 7598 [2018-12-09 17:57:47,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2018-12-09 17:57:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 6741. [2018-12-09 17:57:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6741 states. [2018-12-09 17:57:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6741 states to 6741 states and 14912 transitions. [2018-12-09 17:57:47,426 INFO L78 Accepts]: Start accepts. Automaton has 6741 states and 14912 transitions. Word has length 95 [2018-12-09 17:57:47,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:47,426 INFO L480 AbstractCegarLoop]: Abstraction has 6741 states and 14912 transitions. [2018-12-09 17:57:47,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 6741 states and 14912 transitions. [2018-12-09 17:57:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:47,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:47,431 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:47,431 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:47,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:47,431 INFO L82 PathProgramCache]: Analyzing trace with hash -253609678, now seen corresponding path program 2 times [2018-12-09 17:57:47,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:47,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:47,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:47,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:47,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:57:47,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:47,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:57:47,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:57:47,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:57:47,536 INFO L87 Difference]: Start difference. First operand 6741 states and 14912 transitions. Second operand 9 states. [2018-12-09 17:57:47,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:47,916 INFO L93 Difference]: Finished difference Result 7596 states and 16787 transitions. [2018-12-09 17:57:47,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:57:47,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-09 17:57:47,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:47,921 INFO L225 Difference]: With dead ends: 7596 [2018-12-09 17:57:47,921 INFO L226 Difference]: Without dead ends: 7596 [2018-12-09 17:57:47,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:57:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2018-12-09 17:57:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 6893. [2018-12-09 17:57:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6893 states. [2018-12-09 17:57:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6893 states to 6893 states and 15258 transitions. [2018-12-09 17:57:47,969 INFO L78 Accepts]: Start accepts. Automaton has 6893 states and 15258 transitions. Word has length 95 [2018-12-09 17:57:47,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:47,969 INFO L480 AbstractCegarLoop]: Abstraction has 6893 states and 15258 transitions. [2018-12-09 17:57:47,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:57:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 6893 states and 15258 transitions. [2018-12-09 17:57:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:47,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:47,974 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:47,974 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:47,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:47,974 INFO L82 PathProgramCache]: Analyzing trace with hash -42258765, now seen corresponding path program 1 times [2018-12-09 17:57:47,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:47,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,975 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 17:57:47,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:47,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:48,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:48,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:57:48,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:48,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:57:48,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:57:48,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:57:48,025 INFO L87 Difference]: Start difference. First operand 6893 states and 15258 transitions. Second operand 6 states. [2018-12-09 17:57:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:48,158 INFO L93 Difference]: Finished difference Result 7014 states and 15445 transitions. [2018-12-09 17:57:48,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:57:48,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 17:57:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:48,163 INFO L225 Difference]: With dead ends: 7014 [2018-12-09 17:57:48,163 INFO L226 Difference]: Without dead ends: 7014 [2018-12-09 17:57:48,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:57:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7014 states. [2018-12-09 17:57:48,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7014 to 6716. [2018-12-09 17:57:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6716 states. [2018-12-09 17:57:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6716 states to 6716 states and 14831 transitions. [2018-12-09 17:57:48,212 INFO L78 Accepts]: Start accepts. Automaton has 6716 states and 14831 transitions. Word has length 95 [2018-12-09 17:57:48,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:48,212 INFO L480 AbstractCegarLoop]: Abstraction has 6716 states and 14831 transitions. [2018-12-09 17:57:48,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:57:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 6716 states and 14831 transitions. [2018-12-09 17:57:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:48,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:48,217 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:48,217 INFO L423 AbstractCegarLoop]: === Iteration 35 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:48,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:48,217 INFO L82 PathProgramCache]: Analyzing trace with hash -741980621, now seen corresponding path program 2 times [2018-12-09 17:57:48,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:48,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:48,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:57:48,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:48,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:57:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:57:48,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:57:48,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:57:48,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:57:48,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:57:48,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:57:48,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:57:48,285 INFO L87 Difference]: Start difference. First operand 6716 states and 14831 transitions. Second operand 7 states. [2018-12-09 17:57:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:57:48,381 INFO L93 Difference]: Finished difference Result 8609 states and 19057 transitions. [2018-12-09 17:57:48,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:57:48,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-09 17:57:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:57:48,387 INFO L225 Difference]: With dead ends: 8609 [2018-12-09 17:57:48,387 INFO L226 Difference]: Without dead ends: 8609 [2018-12-09 17:57:48,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:57:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8609 states. [2018-12-09 17:57:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8609 to 6345. [2018-12-09 17:57:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6345 states. [2018-12-09 17:57:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 13949 transitions. [2018-12-09 17:57:48,435 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 13949 transitions. Word has length 95 [2018-12-09 17:57:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:57:48,436 INFO L480 AbstractCegarLoop]: Abstraction has 6345 states and 13949 transitions. [2018-12-09 17:57:48,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:57:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 13949 transitions. [2018-12-09 17:57:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 17:57:48,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:57:48,440 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:57:48,440 INFO L423 AbstractCegarLoop]: === Iteration 36 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:57:48,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:57:48,440 INFO L82 PathProgramCache]: Analyzing trace with hash -530629708, now seen corresponding path program 2 times [2018-12-09 17:57:48,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:57:48,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:48,441 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 17:57:48,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:57:48,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:57:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:57:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:57:48,488 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:57:48,556 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 17:57:48,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:57:48 BasicIcfg [2018-12-09 17:57:48,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:57:48,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:57:48,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:57:48,558 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:57:48,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:57:29" (3/4) ... [2018-12-09 17:57:48,560 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 17:57:48,632 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_356e5f7a-b877-42bc-9341-60ccc186d671/bin-2019/utaipan/witness.graphml [2018-12-09 17:57:48,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:57:48,633 INFO L168 Benchmark]: Toolchain (without parser) took 19911.98 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 947.0 MB in the beginning and 1.9 GB in the end (delta: -993.4 MB). Peak memory consumption was 874.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,634 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 17:57:48,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,634 INFO L168 Benchmark]: Boogie Preprocessor took 21.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:57:48,635 INFO L168 Benchmark]: RCFGBuilder took 340.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,635 INFO L168 Benchmark]: TraceAbstraction took 19126.94 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -928.4 MB). Peak memory consumption was 808.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,635 INFO L168 Benchmark]: Witness Printer took 74.57 ms. Allocated memory is still 2.9 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:57:48,637 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 340.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19126.94 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -928.4 MB). Peak memory consumption was 808.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.57 ms. Allocated memory is still 2.9 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] -1 pthread_t t1297; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] FCALL, FORK -1 pthread_create(&t1297, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] -1 pthread_t t1298; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L773] FCALL, FORK -1 pthread_create(&t1298, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 1 [L732] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L733] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L734] 1 y$flush_delayed = weak$$choice2 [L735] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L737] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L737] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L738] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L739] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L740] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L741] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L742] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L743] 1 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$flush_delayed ? y$mem_tmp : y [L745] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L780] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L781] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L786] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 19.0s OverallTime, 36 OverallIterations, 1 TraceHistogramMax, 9.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9434 SDtfs, 10376 SDslu, 24992 SDs, 0 SdLazy, 11598 SolverSat, 493 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 98 SyntacticMatches, 43 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38973occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 35 MinimizatonAttempts, 90646 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2739 NumberOfCodeBlocks, 2739 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2609 ConstructedInterpolants, 0 QuantifiedInterpolants, 618990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 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...