./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_rmo.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3e25a2480bcae64d4b9bc42e36cbe5af359915e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 12:39:48,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:39:48,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:39:48,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:39:48,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:39:48,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:39:48,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:39:48,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:39:48,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:39:48,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:39:48,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:39:48,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:39:48,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:39:48,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:39:48,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:39:48,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:39:48,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:39:48,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:39:48,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:39:48,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:39:48,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:39:48,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:39:48,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:39:48,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:39:48,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:39:48,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:39:48,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:39:48,134 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:39:48,135 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:39:48,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:39:48,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:39:48,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:39:48,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:39:48,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:39:48,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:39:48,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:39:48,137 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:39:48,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:39:48,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:39:48,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:39:48,149 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:39:48,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:39:48,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:39:48,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:39:48,150 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:39:48,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:39:48,151 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:39:48,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:39:48,152 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer 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 -> Automizer 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 -> b3e25a2480bcae64d4b9bc42e36cbe5af359915e [2018-11-28 12:39:48,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:39:48,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:39:48,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:39:48,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:39:48,188 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:39:48,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/rfi003_rmo.opt_false-unreach-call.i [2018-11-28 12:39:48,232 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/data/d1f4078f8/28bf1a337d704374b0ef751a1728ec2b/FLAG1db1e939a [2018-11-28 12:39:48,575 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:39:48,575 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/sv-benchmarks/c/pthread-wmm/rfi003_rmo.opt_false-unreach-call.i [2018-11-28 12:39:48,584 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/data/d1f4078f8/28bf1a337d704374b0ef751a1728ec2b/FLAG1db1e939a [2018-11-28 12:39:48,594 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/data/d1f4078f8/28bf1a337d704374b0ef751a1728ec2b [2018-11-28 12:39:48,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:39:48,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:39:48,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:39:48,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:39:48,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:39:48,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:39:48" (1/1) ... [2018-11-28 12:39:48,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251798c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:48, skipping insertion in model container [2018-11-28 12:39:48,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:39:48" (1/1) ... [2018-11-28 12:39:48,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:39:48,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:39:48,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:39:48,865 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:39:48,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:39:49,018 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:39:49,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49 WrapperNode [2018-11-28 12:39:49,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:39:49,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:39:49,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:39:49,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:39:49,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:39:49,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:39:49,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:39:49,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:39:49,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... [2018-11-28 12:39:49,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:39:49,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:39:49,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:39:49,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:39:49,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/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 [2018-11-28 12:39:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:39:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:39:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-28 12:39:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:39:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-28 12:39:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-28 12:39:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-28 12:39:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-28 12:39:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-28 12:39:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:39:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:39:49,121 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 12:39:49,488 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:39:49,489 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 12:39:49,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:49 BoogieIcfgContainer [2018-11-28 12:39:49,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:39:49,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:39:49,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:39:49,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:39:49,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:39:48" (1/3) ... [2018-11-28 12:39:49,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661017d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:39:49, skipping insertion in model container [2018-11-28 12:39:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:39:49" (2/3) ... [2018-11-28 12:39:49,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661017d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:39:49, skipping insertion in model container [2018-11-28 12:39:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:49" (3/3) ... [2018-11-28 12:39:49,495 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_rmo.opt_false-unreach-call.i [2018-11-28 12:39:49,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,523 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,524 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,525 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,526 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,527 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,528 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,529 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,530 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,531 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,532 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,533 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,534 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,535 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,538 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:39:49,550 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 12:39:49,550 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:39:49,558 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 12:39:49,570 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 12:39:49,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:39:49,586 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:39:49,586 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:39:49,586 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:39:49,586 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:39:49,586 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:39:49,586 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:39:49,586 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:39:49,586 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:39:49,595 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131places, 163 transitions [2018-11-28 12:39:50,703 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27855 states. [2018-11-28 12:39:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27855 states. [2018-11-28 12:39:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 12:39:50,710 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:50,711 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] [2018-11-28 12:39:50,712 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:50,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:50,717 INFO L82 PathProgramCache]: Analyzing trace with hash 71244223, now seen corresponding path program 1 times [2018-11-28 12:39:50,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:50,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:50,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:50,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:50,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:50,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:50,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:39:50,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:39:50,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:39:50,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:39:50,897 INFO L87 Difference]: Start difference. First operand 27855 states. Second operand 4 states. [2018-11-28 12:39:51,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:51,479 INFO L93 Difference]: Finished difference Result 47767 states and 183118 transitions. [2018-11-28 12:39:51,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:39:51,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-11-28 12:39:51,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:51,802 INFO L225 Difference]: With dead ends: 47767 [2018-11-28 12:39:51,802 INFO L226 Difference]: Without dead ends: 34607 [2018-11-28 12:39:51,803 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 [2018-11-28 12:39:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34607 states. [2018-11-28 12:39:52,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34607 to 21755. [2018-11-28 12:39:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21755 states. [2018-11-28 12:39:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21755 states to 21755 states and 83440 transitions. [2018-11-28 12:39:52,542 INFO L78 Accepts]: Start accepts. Automaton has 21755 states and 83440 transitions. Word has length 38 [2018-11-28 12:39:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:52,543 INFO L480 AbstractCegarLoop]: Abstraction has 21755 states and 83440 transitions. [2018-11-28 12:39:52,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:39:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21755 states and 83440 transitions. [2018-11-28 12:39:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:39:52,550 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:52,551 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:52,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:52,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:52,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1724990409, now seen corresponding path program 1 times [2018-11-28 12:39:52,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:52,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:52,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:52,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:52,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:52,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:52,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:39:52,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:39:52,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:39:52,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:39:52,618 INFO L87 Difference]: Start difference. First operand 21755 states and 83440 transitions. Second operand 5 states. [2018-11-28 12:39:53,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:53,243 INFO L93 Difference]: Finished difference Result 47633 states and 173801 transitions. [2018-11-28 12:39:53,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:39:53,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-11-28 12:39:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:53,350 INFO L225 Difference]: With dead ends: 47633 [2018-11-28 12:39:53,351 INFO L226 Difference]: Without dead ends: 47065 [2018-11-28 12:39:53,351 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 [2018-11-28 12:39:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47065 states. [2018-11-28 12:39:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47065 to 31795. [2018-11-28 12:39:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31795 states. [2018-11-28 12:39:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31795 states to 31795 states and 116818 transitions. [2018-11-28 12:39:54,164 INFO L78 Accepts]: Start accepts. Automaton has 31795 states and 116818 transitions. Word has length 46 [2018-11-28 12:39:54,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:54,165 INFO L480 AbstractCegarLoop]: Abstraction has 31795 states and 116818 transitions. [2018-11-28 12:39:54,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:39:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 31795 states and 116818 transitions. [2018-11-28 12:39:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:39:54,168 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:54,168 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:54,168 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:54,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash -2058408648, now seen corresponding path program 1 times [2018-11-28 12:39:54,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:54,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:54,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:54,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:54,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:54,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:54,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:39:54,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:39:54,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:39:54,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:39:54,235 INFO L87 Difference]: Start difference. First operand 31795 states and 116818 transitions. Second operand 5 states. [2018-11-28 12:39:54,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:54,644 INFO L93 Difference]: Finished difference Result 63027 states and 229113 transitions. [2018-11-28 12:39:54,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:39:54,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-28 12:39:54,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:54,753 INFO L225 Difference]: With dead ends: 63027 [2018-11-28 12:39:54,754 INFO L226 Difference]: Without dead ends: 62563 [2018-11-28 12:39:54,754 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 [2018-11-28 12:39:54,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62563 states. [2018-11-28 12:39:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62563 to 35363. [2018-11-28 12:39:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35363 states. [2018-11-28 12:39:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35363 states to 35363 states and 128876 transitions. [2018-11-28 12:39:55,698 INFO L78 Accepts]: Start accepts. Automaton has 35363 states and 128876 transitions. Word has length 47 [2018-11-28 12:39:55,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:55,698 INFO L480 AbstractCegarLoop]: Abstraction has 35363 states and 128876 transitions. [2018-11-28 12:39:55,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:39:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 35363 states and 128876 transitions. [2018-11-28 12:39:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-28 12:39:55,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:55,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:55,703 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:55,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:55,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1703022802, now seen corresponding path program 1 times [2018-11-28 12:39:55,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:55,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:55,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:55,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:55,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:55,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:55,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:39:55,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:39:55,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:39:55,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:39:55,761 INFO L87 Difference]: Start difference. First operand 35363 states and 128876 transitions. Second operand 3 states. [2018-11-28 12:39:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:55,920 INFO L93 Difference]: Finished difference Result 45909 states and 163944 transitions. [2018-11-28 12:39:55,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:39:55,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-11-28 12:39:55,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:55,987 INFO L225 Difference]: With dead ends: 45909 [2018-11-28 12:39:55,987 INFO L226 Difference]: Without dead ends: 45909 [2018-11-28 12:39:55,987 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 [2018-11-28 12:39:56,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45909 states. [2018-11-28 12:39:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45909 to 40246. [2018-11-28 12:39:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40246 states. [2018-11-28 12:39:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40246 states to 40246 states and 145214 transitions. [2018-11-28 12:39:56,843 INFO L78 Accepts]: Start accepts. Automaton has 40246 states and 145214 transitions. Word has length 49 [2018-11-28 12:39:56,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:56,843 INFO L480 AbstractCegarLoop]: Abstraction has 40246 states and 145214 transitions. [2018-11-28 12:39:56,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:39:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 40246 states and 145214 transitions. [2018-11-28 12:39:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:39:56,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:56,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:56,852 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:56,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:56,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1764675695, now seen corresponding path program 1 times [2018-11-28 12:39:56,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:56,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:56,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:56,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:56,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:56,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:56,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:39:56,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:39:56,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:39:56,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:39:56,919 INFO L87 Difference]: Start difference. First operand 40246 states and 145214 transitions. Second operand 6 states. [2018-11-28 12:39:57,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:57,370 INFO L93 Difference]: Finished difference Result 70849 states and 252354 transitions. [2018-11-28 12:39:57,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:39:57,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-11-28 12:39:57,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:57,484 INFO L225 Difference]: With dead ends: 70849 [2018-11-28 12:39:57,484 INFO L226 Difference]: Without dead ends: 70313 [2018-11-28 12:39:57,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:39:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70313 states. [2018-11-28 12:39:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70313 to 40897. [2018-11-28 12:39:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40897 states. [2018-11-28 12:39:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40897 states to 40897 states and 147667 transitions. [2018-11-28 12:39:58,214 INFO L78 Accepts]: Start accepts. Automaton has 40897 states and 147667 transitions. Word has length 53 [2018-11-28 12:39:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:58,215 INFO L480 AbstractCegarLoop]: Abstraction has 40897 states and 147667 transitions. [2018-11-28 12:39:58,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:39:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40897 states and 147667 transitions. [2018-11-28 12:39:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:39:58,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:58,222 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:58,222 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:58,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:58,223 INFO L82 PathProgramCache]: Analyzing trace with hash -2096426106, now seen corresponding path program 1 times [2018-11-28 12:39:58,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:58,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:58,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:58,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:58,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:58,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:58,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:39:58,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:39:58,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:39:58,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:39:58,312 INFO L87 Difference]: Start difference. First operand 40897 states and 147667 transitions. Second operand 6 states. [2018-11-28 12:39:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:39:58,978 INFO L93 Difference]: Finished difference Result 56598 states and 201647 transitions. [2018-11-28 12:39:58,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:39:58,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-11-28 12:39:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:39:59,062 INFO L225 Difference]: With dead ends: 56598 [2018-11-28 12:39:59,062 INFO L226 Difference]: Without dead ends: 55459 [2018-11-28 12:39:59,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:39:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55459 states. [2018-11-28 12:39:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55459 to 51954. [2018-11-28 12:39:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51954 states. [2018-11-28 12:39:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51954 states to 51954 states and 186006 transitions. [2018-11-28 12:39:59,797 INFO L78 Accepts]: Start accepts. Automaton has 51954 states and 186006 transitions. Word has length 53 [2018-11-28 12:39:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:39:59,797 INFO L480 AbstractCegarLoop]: Abstraction has 51954 states and 186006 transitions. [2018-11-28 12:39:59,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:39:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 51954 states and 186006 transitions. [2018-11-28 12:39:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:39:59,806 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:39:59,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:39:59,806 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:39:59,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:39:59,806 INFO L82 PathProgramCache]: Analyzing trace with hash 401589831, now seen corresponding path program 1 times [2018-11-28 12:39:59,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:39:59,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:39:59,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:59,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:39:59,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:39:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:39:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:39:59,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:39:59,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:39:59,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:39:59,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:39:59,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:39:59,881 INFO L87 Difference]: Start difference. First operand 51954 states and 186006 transitions. Second operand 7 states. [2018-11-28 12:40:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:00,479 INFO L93 Difference]: Finished difference Result 75637 states and 260103 transitions. [2018-11-28 12:40:00,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:40:00,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-28 12:40:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:00,597 INFO L225 Difference]: With dead ends: 75637 [2018-11-28 12:40:00,597 INFO L226 Difference]: Without dead ends: 75637 [2018-11-28 12:40:00,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:40:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75637 states. [2018-11-28 12:40:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75637 to 61472. [2018-11-28 12:40:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61472 states. [2018-11-28 12:40:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61472 states to 61472 states and 215183 transitions. [2018-11-28 12:40:01,689 INFO L78 Accepts]: Start accepts. Automaton has 61472 states and 215183 transitions. Word has length 53 [2018-11-28 12:40:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:01,689 INFO L480 AbstractCegarLoop]: Abstraction has 61472 states and 215183 transitions. [2018-11-28 12:40:01,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 61472 states and 215183 transitions. [2018-11-28 12:40:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:40:01,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:01,698 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:01,698 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:01,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1289093512, now seen corresponding path program 1 times [2018-11-28 12:40:01,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:01,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:01,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:01,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:01,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:01,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:01,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:01,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:01,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:01,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:01,734 INFO L87 Difference]: Start difference. First operand 61472 states and 215183 transitions. Second operand 4 states. [2018-11-28 12:40:01,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:01,799 INFO L93 Difference]: Finished difference Result 13777 states and 43273 transitions. [2018-11-28 12:40:01,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:01,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-11-28 12:40:01,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:01,816 INFO L225 Difference]: With dead ends: 13777 [2018-11-28 12:40:01,816 INFO L226 Difference]: Without dead ends: 12160 [2018-11-28 12:40:01,816 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 [2018-11-28 12:40:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12160 states. [2018-11-28 12:40:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12160 to 12112. [2018-11-28 12:40:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12112 states. [2018-11-28 12:40:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12112 states to 12112 states and 37957 transitions. [2018-11-28 12:40:01,933 INFO L78 Accepts]: Start accepts. Automaton has 12112 states and 37957 transitions. Word has length 53 [2018-11-28 12:40:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:01,934 INFO L480 AbstractCegarLoop]: Abstraction has 12112 states and 37957 transitions. [2018-11-28 12:40:01,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12112 states and 37957 transitions. [2018-11-28 12:40:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:40:01,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:01,937 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] [2018-11-28 12:40:01,938 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:01,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:01,938 INFO L82 PathProgramCache]: Analyzing trace with hash 942323206, now seen corresponding path program 1 times [2018-11-28 12:40:01,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:01,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:01,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:01,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:01,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:01,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:01,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:01,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:01,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:01,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:01,999 INFO L87 Difference]: Start difference. First operand 12112 states and 37957 transitions. Second operand 4 states. [2018-11-28 12:40:02,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:02,095 INFO L93 Difference]: Finished difference Result 14275 states and 44580 transitions. [2018-11-28 12:40:02,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:02,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-28 12:40:02,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:02,112 INFO L225 Difference]: With dead ends: 14275 [2018-11-28 12:40:02,112 INFO L226 Difference]: Without dead ends: 14275 [2018-11-28 12:40:02,112 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 [2018-11-28 12:40:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2018-11-28 12:40:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 12843. [2018-11-28 12:40:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12843 states. [2018-11-28 12:40:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12843 states to 12843 states and 40182 transitions. [2018-11-28 12:40:02,242 INFO L78 Accepts]: Start accepts. Automaton has 12843 states and 40182 transitions. Word has length 63 [2018-11-28 12:40:02,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:02,242 INFO L480 AbstractCegarLoop]: Abstraction has 12843 states and 40182 transitions. [2018-11-28 12:40:02,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 12843 states and 40182 transitions. [2018-11-28 12:40:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:40:02,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:02,246 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] [2018-11-28 12:40:02,246 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:02,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:02,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1609833755, now seen corresponding path program 1 times [2018-11-28 12:40:02,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:02,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:02,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:02,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:02,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:02,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:02,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:02,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:02,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:02,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:02,306 INFO L87 Difference]: Start difference. First operand 12843 states and 40182 transitions. Second operand 6 states. [2018-11-28 12:40:02,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:02,653 INFO L93 Difference]: Finished difference Result 23410 states and 72791 transitions. [2018-11-28 12:40:02,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:40:02,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 12:40:02,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:02,679 INFO L225 Difference]: With dead ends: 23410 [2018-11-28 12:40:02,679 INFO L226 Difference]: Without dead ends: 23346 [2018-11-28 12:40:02,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:40:02,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23346 states. [2018-11-28 12:40:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23346 to 13812. [2018-11-28 12:40:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13812 states. [2018-11-28 12:40:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13812 states to 13812 states and 42966 transitions. [2018-11-28 12:40:02,858 INFO L78 Accepts]: Start accepts. Automaton has 13812 states and 42966 transitions. Word has length 63 [2018-11-28 12:40:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:02,858 INFO L480 AbstractCegarLoop]: Abstraction has 13812 states and 42966 transitions. [2018-11-28 12:40:02,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13812 states and 42966 transitions. [2018-11-28 12:40:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:40:02,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:02,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:02,865 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:02,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1160555304, now seen corresponding path program 1 times [2018-11-28 12:40:02,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:02,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:02,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:02,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:02,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:02,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:02,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:02,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:02,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:02,904 INFO L87 Difference]: Start difference. First operand 13812 states and 42966 transitions. Second operand 4 states. [2018-11-28 12:40:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:03,079 INFO L93 Difference]: Finished difference Result 17359 states and 53255 transitions. [2018-11-28 12:40:03,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:40:03,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-11-28 12:40:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:03,098 INFO L225 Difference]: With dead ends: 17359 [2018-11-28 12:40:03,098 INFO L226 Difference]: Without dead ends: 17359 [2018-11-28 12:40:03,099 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 [2018-11-28 12:40:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17359 states. [2018-11-28 12:40:03,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17359 to 15783. [2018-11-28 12:40:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15783 states. [2018-11-28 12:40:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15783 states to 15783 states and 48578 transitions. [2018-11-28 12:40:03,302 INFO L78 Accepts]: Start accepts. Automaton has 15783 states and 48578 transitions. Word has length 65 [2018-11-28 12:40:03,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:03,302 INFO L480 AbstractCegarLoop]: Abstraction has 15783 states and 48578 transitions. [2018-11-28 12:40:03,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15783 states and 48578 transitions. [2018-11-28 12:40:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:40:03,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:03,311 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:03,311 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:03,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:03,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1057202649, now seen corresponding path program 1 times [2018-11-28 12:40:03,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:03,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:03,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:03,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:03,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:03,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:03,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:40:03,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:40:03,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:40:03,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:40:03,361 INFO L87 Difference]: Start difference. First operand 15783 states and 48578 transitions. Second operand 3 states. [2018-11-28 12:40:03,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:03,510 INFO L93 Difference]: Finished difference Result 16413 states and 50318 transitions. [2018-11-28 12:40:03,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:40:03,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-28 12:40:03,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:03,529 INFO L225 Difference]: With dead ends: 16413 [2018-11-28 12:40:03,529 INFO L226 Difference]: Without dead ends: 16413 [2018-11-28 12:40:03,529 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 [2018-11-28 12:40:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2018-11-28 12:40:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16125. [2018-11-28 12:40:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16125 states. [2018-11-28 12:40:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 49516 transitions. [2018-11-28 12:40:03,733 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 49516 transitions. Word has length 65 [2018-11-28 12:40:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:03,733 INFO L480 AbstractCegarLoop]: Abstraction has 16125 states and 49516 transitions. [2018-11-28 12:40:03,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:40:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 49516 transitions. [2018-11-28 12:40:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:03,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:03,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:03,742 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:03,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:03,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1484400773, now seen corresponding path program 1 times [2018-11-28 12:40:03,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:03,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:03,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:03,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:03,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:03,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:03,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:03,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:03,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:03,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:03,798 INFO L87 Difference]: Start difference. First operand 16125 states and 49516 transitions. Second operand 6 states. [2018-11-28 12:40:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:04,241 INFO L93 Difference]: Finished difference Result 19568 states and 59304 transitions. [2018-11-28 12:40:04,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:04,241 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-11-28 12:40:04,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:04,262 INFO L225 Difference]: With dead ends: 19568 [2018-11-28 12:40:04,262 INFO L226 Difference]: Without dead ends: 19568 [2018-11-28 12:40:04,262 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 [2018-11-28 12:40:04,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19568 states. [2018-11-28 12:40:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19568 to 18524. [2018-11-28 12:40:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18524 states. [2018-11-28 12:40:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18524 states to 18524 states and 56466 transitions. [2018-11-28 12:40:04,442 INFO L78 Accepts]: Start accepts. Automaton has 18524 states and 56466 transitions. Word has length 67 [2018-11-28 12:40:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:04,442 INFO L480 AbstractCegarLoop]: Abstraction has 18524 states and 56466 transitions. [2018-11-28 12:40:04,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 18524 states and 56466 transitions. [2018-11-28 12:40:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:04,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:04,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:04,453 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:04,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:04,453 INFO L82 PathProgramCache]: Analyzing trace with hash -592808570, now seen corresponding path program 1 times [2018-11-28 12:40:04,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:04,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:04,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:04,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:04,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:04,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:04,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:04,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:04,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:04,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:04,542 INFO L87 Difference]: Start difference. First operand 18524 states and 56466 transitions. Second operand 6 states. [2018-11-28 12:40:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:04,759 INFO L93 Difference]: Finished difference Result 21666 states and 64013 transitions. [2018-11-28 12:40:04,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:40:04,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-11-28 12:40:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:04,781 INFO L225 Difference]: With dead ends: 21666 [2018-11-28 12:40:04,781 INFO L226 Difference]: Without dead ends: 21666 [2018-11-28 12:40:04,782 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 [2018-11-28 12:40:04,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21666 states. [2018-11-28 12:40:04,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21666 to 18841. [2018-11-28 12:40:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18841 states. [2018-11-28 12:40:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18841 states to 18841 states and 56340 transitions. [2018-11-28 12:40:04,966 INFO L78 Accepts]: Start accepts. Automaton has 18841 states and 56340 transitions. Word has length 67 [2018-11-28 12:40:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:04,966 INFO L480 AbstractCegarLoop]: Abstraction has 18841 states and 56340 transitions. [2018-11-28 12:40:04,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 18841 states and 56340 transitions. [2018-11-28 12:40:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:04,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:04,975 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:04,975 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:04,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:04,975 INFO L82 PathProgramCache]: Analyzing trace with hash -381457657, now seen corresponding path program 1 times [2018-11-28 12:40:04,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:04,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:04,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:04,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:04,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:05,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:05,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:05,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:05,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:05,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:05,045 INFO L87 Difference]: Start difference. First operand 18841 states and 56340 transitions. Second operand 5 states. [2018-11-28 12:40:05,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:05,232 INFO L93 Difference]: Finished difference Result 23854 states and 70897 transitions. [2018-11-28 12:40:05,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:05,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-11-28 12:40:05,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:05,256 INFO L225 Difference]: With dead ends: 23854 [2018-11-28 12:40:05,256 INFO L226 Difference]: Without dead ends: 23854 [2018-11-28 12:40:05,257 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 [2018-11-28 12:40:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23854 states. [2018-11-28 12:40:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23854 to 20164. [2018-11-28 12:40:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20164 states. [2018-11-28 12:40:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20164 states to 20164 states and 59821 transitions. [2018-11-28 12:40:05,463 INFO L78 Accepts]: Start accepts. Automaton has 20164 states and 59821 transitions. Word has length 67 [2018-11-28 12:40:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:05,464 INFO L480 AbstractCegarLoop]: Abstraction has 20164 states and 59821 transitions. [2018-11-28 12:40:05,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 20164 states and 59821 transitions. [2018-11-28 12:40:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:05,473 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:05,473 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:05,474 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:05,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash -891991834, now seen corresponding path program 1 times [2018-11-28 12:40:05,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:05,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:05,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:05,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:05,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:05,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:05,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:05,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:05,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:05,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:05,519 INFO L87 Difference]: Start difference. First operand 20164 states and 59821 transitions. Second operand 5 states. [2018-11-28 12:40:05,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:05,752 INFO L93 Difference]: Finished difference Result 27231 states and 80368 transitions. [2018-11-28 12:40:05,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:05,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-11-28 12:40:05,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:05,780 INFO L225 Difference]: With dead ends: 27231 [2018-11-28 12:40:05,781 INFO L226 Difference]: Without dead ends: 27231 [2018-11-28 12:40:05,781 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 [2018-11-28 12:40:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27231 states. [2018-11-28 12:40:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27231 to 21349. [2018-11-28 12:40:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21349 states. [2018-11-28 12:40:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21349 states to 21349 states and 63327 transitions. [2018-11-28 12:40:06,006 INFO L78 Accepts]: Start accepts. Automaton has 21349 states and 63327 transitions. Word has length 67 [2018-11-28 12:40:06,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:06,007 INFO L480 AbstractCegarLoop]: Abstraction has 21349 states and 63327 transitions. [2018-11-28 12:40:06,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 21349 states and 63327 transitions. [2018-11-28 12:40:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:06,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:06,015 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:06,015 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:06,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:06,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1595520999, now seen corresponding path program 1 times [2018-11-28 12:40:06,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:06,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:06,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:06,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:06,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:06,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:06,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:06,070 INFO L87 Difference]: Start difference. First operand 21349 states and 63327 transitions. Second operand 4 states. [2018-11-28 12:40:06,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:06,374 INFO L93 Difference]: Finished difference Result 28445 states and 84501 transitions. [2018-11-28 12:40:06,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:06,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-28 12:40:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:06,403 INFO L225 Difference]: With dead ends: 28445 [2018-11-28 12:40:06,404 INFO L226 Difference]: Without dead ends: 28025 [2018-11-28 12:40:06,404 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 [2018-11-28 12:40:06,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28025 states. [2018-11-28 12:40:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28025 to 25833. [2018-11-28 12:40:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25833 states. [2018-11-28 12:40:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25833 states to 25833 states and 76849 transitions. [2018-11-28 12:40:06,747 INFO L78 Accepts]: Start accepts. Automaton has 25833 states and 76849 transitions. Word has length 67 [2018-11-28 12:40:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:06,747 INFO L480 AbstractCegarLoop]: Abstraction has 25833 states and 76849 transitions. [2018-11-28 12:40:06,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25833 states and 76849 transitions. [2018-11-28 12:40:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:40:06,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:06,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:06,760 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:06,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:06,760 INFO L82 PathProgramCache]: Analyzing trace with hash -201430360, now seen corresponding path program 1 times [2018-11-28 12:40:06,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:06,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:06,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:06,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:06,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:06,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:06,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:06,810 INFO L87 Difference]: Start difference. First operand 25833 states and 76849 transitions. Second operand 5 states. [2018-11-28 12:40:06,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:06,849 INFO L93 Difference]: Finished difference Result 7049 states and 16989 transitions. [2018-11-28 12:40:06,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:40:06,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-11-28 12:40:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:06,853 INFO L225 Difference]: With dead ends: 7049 [2018-11-28 12:40:06,853 INFO L226 Difference]: Without dead ends: 5562 [2018-11-28 12:40:06,854 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 [2018-11-28 12:40:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2018-11-28 12:40:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 4888. [2018-11-28 12:40:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4888 states. [2018-11-28 12:40:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4888 states to 4888 states and 11541 transitions. [2018-11-28 12:40:06,890 INFO L78 Accepts]: Start accepts. Automaton has 4888 states and 11541 transitions. Word has length 67 [2018-11-28 12:40:06,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:06,890 INFO L480 AbstractCegarLoop]: Abstraction has 4888 states and 11541 transitions. [2018-11-28 12:40:06,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4888 states and 11541 transitions. [2018-11-28 12:40:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 12:40:06,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:06,895 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] [2018-11-28 12:40:06,895 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:06,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:06,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1225324604, now seen corresponding path program 1 times [2018-11-28 12:40:06,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:06,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:06,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:06,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:06,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:06,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:06,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:06,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:06,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:06,949 INFO L87 Difference]: Start difference. First operand 4888 states and 11541 transitions. Second operand 5 states. [2018-11-28 12:40:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:07,110 INFO L93 Difference]: Finished difference Result 5732 states and 13375 transitions. [2018-11-28 12:40:07,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:07,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-11-28 12:40:07,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:07,114 INFO L225 Difference]: With dead ends: 5732 [2018-11-28 12:40:07,114 INFO L226 Difference]: Without dead ends: 5698 [2018-11-28 12:40:07,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:40:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2018-11-28 12:40:07,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 5046. [2018-11-28 12:40:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5046 states. [2018-11-28 12:40:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 11853 transitions. [2018-11-28 12:40:07,151 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 11853 transitions. Word has length 82 [2018-11-28 12:40:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:07,151 INFO L480 AbstractCegarLoop]: Abstraction has 5046 states and 11853 transitions. [2018-11-28 12:40:07,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 11853 transitions. [2018-11-28 12:40:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 12:40:07,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:07,154 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] [2018-11-28 12:40:07,155 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:07,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:07,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1401587043, now seen corresponding path program 1 times [2018-11-28 12:40:07,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:07,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:07,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:07,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:07,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:07,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:07,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:07,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:07,234 INFO L87 Difference]: Start difference. First operand 5046 states and 11853 transitions. Second operand 6 states. [2018-11-28 12:40:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:07,390 INFO L93 Difference]: Finished difference Result 6708 states and 15748 transitions. [2018-11-28 12:40:07,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:07,390 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2018-11-28 12:40:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:07,395 INFO L225 Difference]: With dead ends: 6708 [2018-11-28 12:40:07,395 INFO L226 Difference]: Without dead ends: 6676 [2018-11-28 12:40:07,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2018-11-28 12:40:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 5404. [2018-11-28 12:40:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5404 states. [2018-11-28 12:40:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 12732 transitions. [2018-11-28 12:40:07,437 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 12732 transitions. Word has length 82 [2018-11-28 12:40:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:07,437 INFO L480 AbstractCegarLoop]: Abstraction has 5404 states and 12732 transitions. [2018-11-28 12:40:07,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 12732 transitions. [2018-11-28 12:40:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 12:40:07,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:07,441 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] [2018-11-28 12:40:07,441 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:07,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash -395364316, now seen corresponding path program 1 times [2018-11-28 12:40:07,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:07,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:07,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:07,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:40:07,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:40:07,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:40:07,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:07,495 INFO L87 Difference]: Start difference. First operand 5404 states and 12732 transitions. Second operand 7 states. [2018-11-28 12:40:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:07,705 INFO L93 Difference]: Finished difference Result 8734 states and 21012 transitions. [2018-11-28 12:40:07,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 12:40:07,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-28 12:40:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:07,711 INFO L225 Difference]: With dead ends: 8734 [2018-11-28 12:40:07,711 INFO L226 Difference]: Without dead ends: 8734 [2018-11-28 12:40:07,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:40:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8734 states. [2018-11-28 12:40:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8734 to 6145. [2018-11-28 12:40:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6145 states. [2018-11-28 12:40:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6145 states to 6145 states and 14616 transitions. [2018-11-28 12:40:07,767 INFO L78 Accepts]: Start accepts. Automaton has 6145 states and 14616 transitions. Word has length 82 [2018-11-28 12:40:07,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:07,767 INFO L480 AbstractCegarLoop]: Abstraction has 6145 states and 14616 transitions. [2018-11-28 12:40:07,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 14616 transitions. [2018-11-28 12:40:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 12:40:07,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:07,771 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:07,771 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:07,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 492139365, now seen corresponding path program 1 times [2018-11-28 12:40:07,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:07,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:07,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:07,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:07,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:07,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:07,837 INFO L87 Difference]: Start difference. First operand 6145 states and 14616 transitions. Second operand 6 states. [2018-11-28 12:40:07,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:07,868 INFO L93 Difference]: Finished difference Result 7313 states and 17387 transitions. [2018-11-28 12:40:07,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:40:07,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2018-11-28 12:40:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:07,874 INFO L225 Difference]: With dead ends: 7313 [2018-11-28 12:40:07,874 INFO L226 Difference]: Without dead ends: 7313 [2018-11-28 12:40:07,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2018-11-28 12:40:07,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 5480. [2018-11-28 12:40:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5480 states. [2018-11-28 12:40:07,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5480 states to 5480 states and 12892 transitions. [2018-11-28 12:40:07,934 INFO L78 Accepts]: Start accepts. Automaton has 5480 states and 12892 transitions. Word has length 82 [2018-11-28 12:40:07,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:07,934 INFO L480 AbstractCegarLoop]: Abstraction has 5480 states and 12892 transitions. [2018-11-28 12:40:07,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5480 states and 12892 transitions. [2018-11-28 12:40:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 12:40:07,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:07,938 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] [2018-11-28 12:40:07,938 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:07,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:07,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1239836187, now seen corresponding path program 1 times [2018-11-28 12:40:07,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:07,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:07,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:07,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:07,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:07,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:07,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:07,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:07,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:08,000 INFO L87 Difference]: Start difference. First operand 5480 states and 12892 transitions. Second operand 6 states. [2018-11-28 12:40:08,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:08,065 INFO L93 Difference]: Finished difference Result 5096 states and 11724 transitions. [2018-11-28 12:40:08,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:08,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2018-11-28 12:40:08,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:08,069 INFO L225 Difference]: With dead ends: 5096 [2018-11-28 12:40:08,069 INFO L226 Difference]: Without dead ends: 5096 [2018-11-28 12:40:08,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:40:08,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2018-11-28 12:40:08,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 3190. [2018-11-28 12:40:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3190 states. [2018-11-28 12:40:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 7391 transitions. [2018-11-28 12:40:08,097 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 7391 transitions. Word has length 82 [2018-11-28 12:40:08,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:08,097 INFO L480 AbstractCegarLoop]: Abstraction has 3190 states and 7391 transitions. [2018-11-28 12:40:08,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 7391 transitions. [2018-11-28 12:40:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:08,099 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:08,099 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] [2018-11-28 12:40:08,100 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:08,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1939261575, now seen corresponding path program 1 times [2018-11-28 12:40:08,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:08,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:08,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:08,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:08,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:40:08,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:40:08,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:40:08,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:08,182 INFO L87 Difference]: Start difference. First operand 3190 states and 7391 transitions. Second operand 7 states. [2018-11-28 12:40:08,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:08,323 INFO L93 Difference]: Finished difference Result 3738 states and 8627 transitions. [2018-11-28 12:40:08,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:40:08,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-11-28 12:40:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:08,328 INFO L225 Difference]: With dead ends: 3738 [2018-11-28 12:40:08,328 INFO L226 Difference]: Without dead ends: 3738 [2018-11-28 12:40:08,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:40:08,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2018-11-28 12:40:08,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3641. [2018-11-28 12:40:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3641 states. [2018-11-28 12:40:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 8435 transitions. [2018-11-28 12:40:08,369 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 8435 transitions. Word has length 84 [2018-11-28 12:40:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:08,369 INFO L480 AbstractCegarLoop]: Abstraction has 3641 states and 8435 transitions. [2018-11-28 12:40:08,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 8435 transitions. [2018-11-28 12:40:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:08,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:08,373 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] [2018-11-28 12:40:08,373 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:08,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:08,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1051757894, now seen corresponding path program 1 times [2018-11-28 12:40:08,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:08,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:08,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:08,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:08,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:08,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:08,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:40:08,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:40:08,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:40:08,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:40:08,559 INFO L87 Difference]: Start difference. First operand 3641 states and 8435 transitions. Second operand 10 states. [2018-11-28 12:40:09,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:09,406 INFO L93 Difference]: Finished difference Result 6341 states and 14692 transitions. [2018-11-28 12:40:09,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:40:09,407 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-28 12:40:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:09,411 INFO L225 Difference]: With dead ends: 6341 [2018-11-28 12:40:09,411 INFO L226 Difference]: Without dead ends: 4297 [2018-11-28 12:40:09,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:40:09,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2018-11-28 12:40:09,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 3676. [2018-11-28 12:40:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3676 states. [2018-11-28 12:40:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 8434 transitions. [2018-11-28 12:40:09,452 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 8434 transitions. Word has length 84 [2018-11-28 12:40:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:09,452 INFO L480 AbstractCegarLoop]: Abstraction has 3676 states and 8434 transitions. [2018-11-28 12:40:09,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:40:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 8434 transitions. [2018-11-28 12:40:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:09,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:09,456 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:09,456 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:09,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:09,456 INFO L82 PathProgramCache]: Analyzing trace with hash 454383476, now seen corresponding path program 2 times [2018-11-28 12:40:09,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:09,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:09,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:09,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:09,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:09,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:09,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:40:09,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:40:09,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:40:09,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:40:09,570 INFO L87 Difference]: Start difference. First operand 3676 states and 8434 transitions. Second operand 8 states. [2018-11-28 12:40:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:10,338 INFO L93 Difference]: Finished difference Result 6529 states and 15057 transitions. [2018-11-28 12:40:10,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:10,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-28 12:40:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:10,341 INFO L225 Difference]: With dead ends: 6529 [2018-11-28 12:40:10,341 INFO L226 Difference]: Without dead ends: 2810 [2018-11-28 12:40:10,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:40:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2018-11-28 12:40:10,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2810. [2018-11-28 12:40:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2810 states. [2018-11-28 12:40:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 6504 transitions. [2018-11-28 12:40:10,370 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 6504 transitions. Word has length 84 [2018-11-28 12:40:10,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:10,371 INFO L480 AbstractCegarLoop]: Abstraction has 2810 states and 6504 transitions. [2018-11-28 12:40:10,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:40:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 6504 transitions. [2018-11-28 12:40:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:10,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:10,373 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] [2018-11-28 12:40:10,374 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:10,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:10,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1769101004, now seen corresponding path program 1 times [2018-11-28 12:40:10,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:10,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:10,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,375 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:40:10,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:10,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:10,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:40:10,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:40:10,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:40:10,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:10,448 INFO L87 Difference]: Start difference. First operand 2810 states and 6504 transitions. Second operand 7 states. [2018-11-28 12:40:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:10,734 INFO L93 Difference]: Finished difference Result 3247 states and 7538 transitions. [2018-11-28 12:40:10,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:10,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-11-28 12:40:10,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:10,737 INFO L225 Difference]: With dead ends: 3247 [2018-11-28 12:40:10,737 INFO L226 Difference]: Without dead ends: 3247 [2018-11-28 12:40:10,737 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2018-11-28 12:40:10,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2890. [2018-11-28 12:40:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2890 states. [2018-11-28 12:40:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 6729 transitions. [2018-11-28 12:40:10,756 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 6729 transitions. Word has length 84 [2018-11-28 12:40:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:10,756 INFO L480 AbstractCegarLoop]: Abstraction has 2890 states and 6729 transitions. [2018-11-28 12:40:10,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 6729 transitions. [2018-11-28 12:40:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:10,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:10,758 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] [2018-11-28 12:40:10,758 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:10,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1487745450, now seen corresponding path program 1 times [2018-11-28 12:40:10,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:10,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:10,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:10,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:10,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:10,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:40:10,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:40:10,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:40:10,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:10,827 INFO L87 Difference]: Start difference. First operand 2890 states and 6729 transitions. Second operand 7 states. [2018-11-28 12:40:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:10,950 INFO L93 Difference]: Finished difference Result 3006 states and 6922 transitions. [2018-11-28 12:40:10,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:40:10,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-11-28 12:40:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:10,952 INFO L225 Difference]: With dead ends: 3006 [2018-11-28 12:40:10,953 INFO L226 Difference]: Without dead ends: 3006 [2018-11-28 12:40:10,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:40:10,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2018-11-28 12:40:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 2728. [2018-11-28 12:40:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2728 states. [2018-11-28 12:40:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 6289 transitions. [2018-11-28 12:40:10,970 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 6289 transitions. Word has length 84 [2018-11-28 12:40:10,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:10,970 INFO L480 AbstractCegarLoop]: Abstraction has 2728 states and 6289 transitions. [2018-11-28 12:40:10,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 6289 transitions. [2018-11-28 12:40:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:10,971 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:10,971 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] [2018-11-28 12:40:10,972 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:10,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1276394537, now seen corresponding path program 2 times [2018-11-28 12:40:10,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:10,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:10,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:10,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:11,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:11,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:40:11,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:40:11,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:40:11,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:40:11,077 INFO L87 Difference]: Start difference. First operand 2728 states and 6289 transitions. Second operand 8 states. [2018-11-28 12:40:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:11,287 INFO L93 Difference]: Finished difference Result 3112 states and 7156 transitions. [2018-11-28 12:40:11,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:40:11,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-28 12:40:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:11,290 INFO L225 Difference]: With dead ends: 3112 [2018-11-28 12:40:11,290 INFO L226 Difference]: Without dead ends: 3112 [2018-11-28 12:40:11,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:40:11,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2018-11-28 12:40:11,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 2751. [2018-11-28 12:40:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2751 states. [2018-11-28 12:40:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 6330 transitions. [2018-11-28 12:40:11,316 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 6330 transitions. Word has length 84 [2018-11-28 12:40:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:11,316 INFO L480 AbstractCegarLoop]: Abstraction has 2751 states and 6330 transitions. [2018-11-28 12:40:11,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:40:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 6330 transitions. [2018-11-28 12:40:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:11,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:11,318 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] [2018-11-28 12:40:11,319 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:11,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:11,319 INFO L82 PathProgramCache]: Analyzing trace with hash -388890856, now seen corresponding path program 3 times [2018-11-28 12:40:11,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:11,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:11,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:11,320 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:40:11,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:11,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:11,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 12:40:11,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:40:11,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:40:11,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:40:11,414 INFO L87 Difference]: Start difference. First operand 2751 states and 6330 transitions. Second operand 11 states. [2018-11-28 12:40:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:11,938 INFO L93 Difference]: Finished difference Result 4763 states and 11016 transitions. [2018-11-28 12:40:11,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:40:11,938 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2018-11-28 12:40:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:11,940 INFO L225 Difference]: With dead ends: 4763 [2018-11-28 12:40:11,940 INFO L226 Difference]: Without dead ends: 3059 [2018-11-28 12:40:11,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:40:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2018-11-28 12:40:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2731. [2018-11-28 12:40:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2731 states. [2018-11-28 12:40:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 6288 transitions. [2018-11-28 12:40:11,959 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 6288 transitions. Word has length 84 [2018-11-28 12:40:11,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:11,959 INFO L480 AbstractCegarLoop]: Abstraction has 2731 states and 6288 transitions. [2018-11-28 12:40:11,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:40:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 6288 transitions. [2018-11-28 12:40:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:40:11,961 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:11,961 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] [2018-11-28 12:40:11,961 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:11,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:11,961 INFO L82 PathProgramCache]: Analyzing trace with hash 10917176, now seen corresponding path program 4 times [2018-11-28 12:40:11,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:11,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:11,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:11,962 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:40:11,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,002 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:40:12,078 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 12:40:12,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:40:12 BasicIcfg [2018-11-28 12:40:12,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:40:12,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:40:12,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:40:12,080 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:40:12,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:39:49" (3/4) ... [2018-11-28 12:40:12,084 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:40:12,172 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62868788-a9bb-4d35-bbc0-f234c6bce6a9/bin-2019/uautomizer/witness.graphml [2018-11-28 12:40:12,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:40:12,173 INFO L168 Benchmark]: Toolchain (without parser) took 23577.38 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -370.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,174 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:40:12,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,175 INFO L168 Benchmark]: Boogie Preprocessor took 22.14 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. [2018-11-28 12:40:12,175 INFO L168 Benchmark]: RCFGBuilder took 403.08 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,175 INFO L168 Benchmark]: TraceAbstraction took 22590.32 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -275.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,175 INFO L168 Benchmark]: Witness Printer took 92.38 ms. Allocated memory is still 3.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.14 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 403.08 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22590.32 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -275.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 92.38 ms. Allocated memory is still 3.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L678] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L679] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L680] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L682] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L683] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L684] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L685] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L686] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L687] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L688] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L689] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L690] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L691] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L692] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L693] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L694] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L695] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L696] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L698] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L699] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L700] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L776] -1 pthread_t t1645; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L777] FCALL, FORK -1 pthread_create(&t1645, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L778] -1 pthread_t t1646; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L779] FCALL, FORK -1 pthread_create(&t1646, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L734] 0 x$w_buff1 = x$w_buff0 [L735] 0 x$w_buff0 = 1 [L736] 0 x$w_buff1_used = x$w_buff0_used [L737] 0 x$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L739] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L740] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L741] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L742] 0 x$r_buff0_thd2 = (_Bool)1 [L745] 0 y = 1 [L748] 0 __unbuffered_p1_EAX = y [L751] 0 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L754] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L704] 1 y = 2 [L709] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L710] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L711] 1 x$flush_delayed = weak$$choice2 [L712] 1 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L713] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L754] 0 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L755] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L755] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L713] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L756] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L757] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L714] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L714] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L715] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L715] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L716] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L716] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L717] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L717] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L718] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L718] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L719] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L719] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L720] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L721] EXPR 1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$flush_delayed ? x$mem_tmp : x=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L721] 1 x = x$flush_delayed ? x$mem_tmp : x [L722] 1 x$flush_delayed = (_Bool)0 [L727] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L757] 0 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L758] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L758] 0 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L761] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L781] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L786] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L786] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L787] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L787] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L788] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L788] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L789] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L789] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L792] -1 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 199 locations, 3 error locations. UNSAFE Result, 22.4s OverallTime, 31 OverallIterations, 1 TraceHistogramMax, 10.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8043 SDtfs, 9886 SDslu, 19304 SDs, 0 SdLazy, 7859 SolverSat, 399 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 302 GetRequests, 75 SyntacticMatches, 25 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61472occurred in iteration=7, 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: 8.3s AutomataMinimizationTime, 30 MinimizatonAttempts, 147550 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2132 NumberOfCodeBlocks, 2132 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2018 ConstructedInterpolants, 0 QuantifiedInterpolants, 380616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...