./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix031_power.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/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 a86cc350d743297ef1f0c4e735f7c78846f139ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:23:38,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:23:38,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:23:38,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:23:38,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:23:38,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:23:38,018 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:23:38,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:23:38,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:23:38,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:23:38,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:23:38,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:23:38,020 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:23:38,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:23:38,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:23:38,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:23:38,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:23:38,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:23:38,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:23:38,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:23:38,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:23:38,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:23:38,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:23:38,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:23:38,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:23:38,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:23:38,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:23:38,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:23:38,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:23:38,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:23:38,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:23:38,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:23:38,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:23:38,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:23:38,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:23:38,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:23:38,031 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 08:23:38,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:23:38,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:23:38,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:23:38,039 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:23:38,039 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:23:38,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:23:38,040 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:23:38,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:23:38,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:23:38,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:23:38,042 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:23:38,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:23:38,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 08:23:38,042 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_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/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 -> a86cc350d743297ef1f0c4e735f7c78846f139ec [2018-12-08 08:23:38,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:23:38,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:23:38,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:23:38,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:23:38,069 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:23:38,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix031_power.opt_false-unreach-call.i [2018-12-08 08:23:38,103 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/data/6d7b17863/d5ae443fbb5844d29c17800bc73ea05d/FLAGa33ad20db [2018-12-08 08:23:38,521 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:23:38,522 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/sv-benchmarks/c/pthread-wmm/mix031_power.opt_false-unreach-call.i [2018-12-08 08:23:38,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/data/6d7b17863/d5ae443fbb5844d29c17800bc73ea05d/FLAGa33ad20db [2018-12-08 08:23:38,861 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/data/6d7b17863/d5ae443fbb5844d29c17800bc73ea05d [2018-12-08 08:23:38,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:23:38,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:23:38,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:23:38,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:23:38,879 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:23:38,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:23:38" (1/1) ... [2018-12-08 08:23:38,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126510b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:38, skipping insertion in model container [2018-12-08 08:23:38,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:23:38" (1/1) ... [2018-12-08 08:23:38,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:23:38,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:23:39,092 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:23:39,100 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:23:39,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:23:39,225 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:23:39,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39 WrapperNode [2018-12-08 08:23:39,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:23:39,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:23:39,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:23:39,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:23:39,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:23:39,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:23:39,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:23:39,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:23:39,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... [2018-12-08 08:23:39,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:23:39,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:23:39,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:23:39,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:23:39,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/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 [2018-12-08 08:23:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:23:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 08:23:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 08:23:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 08:23:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 08:23:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 08:23:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 08:23:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 08:23:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 08:23:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:23:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:23:39,320 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 08:23:39,589 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:23:39,589 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 08:23:39,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:39 BoogieIcfgContainer [2018-12-08 08:23:39,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:23:39,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:23:39,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:23:39,592 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:23:39,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:23:38" (1/3) ... [2018-12-08 08:23:39,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58138e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:23:39, skipping insertion in model container [2018-12-08 08:23:39,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:23:39" (2/3) ... [2018-12-08 08:23:39,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58138e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:23:39, skipping insertion in model container [2018-12-08 08:23:39,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:39" (3/3) ... [2018-12-08 08:23:39,594 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031_power.opt_false-unreach-call.i [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,617 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,618 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,619 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,622 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,623 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,624 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,625 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,626 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,627 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,628 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,629 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:23:39,633 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 08:23:39,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:23:39,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 08:23:39,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 08:23:39,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:23:39,672 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:23:39,672 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:23:39,672 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:23:39,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:23:39,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:23:39,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:23:39,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:23:39,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:23:39,678 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134places, 166 transitions [2018-12-08 08:23:40,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27858 states. [2018-12-08 08:23:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 27858 states. [2018-12-08 08:23:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 08:23:40,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:40,817 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] [2018-12-08 08:23:40,819 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:40,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:40,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1858856236, now seen corresponding path program 1 times [2018-12-08 08:23:40,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:40,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:40,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:40,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:40,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:40,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:40,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:23:40,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:23:40,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:23:40,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:40,979 INFO L87 Difference]: Start difference. First operand 27858 states. Second operand 4 states. [2018-12-08 08:23:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:41,364 INFO L93 Difference]: Finished difference Result 47770 states and 183121 transitions. [2018-12-08 08:23:41,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:23:41,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-12-08 08:23:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:41,578 INFO L225 Difference]: With dead ends: 47770 [2018-12-08 08:23:41,578 INFO L226 Difference]: Without dead ends: 34610 [2018-12-08 08:23:41,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34610 states. [2018-12-08 08:23:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34610 to 21758. [2018-12-08 08:23:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21758 states. [2018-12-08 08:23:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21758 states to 21758 states and 83443 transitions. [2018-12-08 08:23:42,153 INFO L78 Accepts]: Start accepts. Automaton has 21758 states and 83443 transitions. Word has length 41 [2018-12-08 08:23:42,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:42,153 INFO L480 AbstractCegarLoop]: Abstraction has 21758 states and 83443 transitions. [2018-12-08 08:23:42,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:23:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 21758 states and 83443 transitions. [2018-12-08 08:23:42,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 08:23:42,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:42,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:42,161 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:42,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:42,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1910881222, now seen corresponding path program 1 times [2018-12-08 08:23:42,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:42,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:42,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:42,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:42,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:42,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:23:42,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:23:42,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:23:42,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:42,213 INFO L87 Difference]: Start difference. First operand 21758 states and 83443 transitions. Second operand 4 states. [2018-12-08 08:23:42,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:42,277 INFO L93 Difference]: Finished difference Result 7172 states and 23628 transitions. [2018-12-08 08:23:42,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:23:42,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-12-08 08:23:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:42,291 INFO L225 Difference]: With dead ends: 7172 [2018-12-08 08:23:42,292 INFO L226 Difference]: Without dead ends: 6326 [2018-12-08 08:23:42,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:23:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6326 states. [2018-12-08 08:23:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6326 to 6326. [2018-12-08 08:23:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6326 states. [2018-12-08 08:23:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6326 states to 6326 states and 20700 transitions. [2018-12-08 08:23:42,391 INFO L78 Accepts]: Start accepts. Automaton has 6326 states and 20700 transitions. Word has length 49 [2018-12-08 08:23:42,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:42,392 INFO L480 AbstractCegarLoop]: Abstraction has 6326 states and 20700 transitions. [2018-12-08 08:23:42,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:23:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6326 states and 20700 transitions. [2018-12-08 08:23:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 08:23:42,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:42,465 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:42,465 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:42,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:42,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1649618541, now seen corresponding path program 1 times [2018-12-08 08:23:42,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:42,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:42,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:42,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:42,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:42,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:23:42,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:23:42,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:23:42,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:23:42,507 INFO L87 Difference]: Start difference. First operand 6326 states and 20700 transitions. Second operand 5 states. [2018-12-08 08:23:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:42,689 INFO L93 Difference]: Finished difference Result 12022 states and 38786 transitions. [2018-12-08 08:23:42,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:23:42,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-12-08 08:23:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:42,703 INFO L225 Difference]: With dead ends: 12022 [2018-12-08 08:23:42,703 INFO L226 Difference]: Without dead ends: 11947 [2018-12-08 08:23:42,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:23:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11947 states. [2018-12-08 08:23:42,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11947 to 8291. [2018-12-08 08:23:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8291 states. [2018-12-08 08:23:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8291 states to 8291 states and 26553 transitions. [2018-12-08 08:23:42,812 INFO L78 Accepts]: Start accepts. Automaton has 8291 states and 26553 transitions. Word has length 50 [2018-12-08 08:23:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:42,813 INFO L480 AbstractCegarLoop]: Abstraction has 8291 states and 26553 transitions. [2018-12-08 08:23:42,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:23:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 8291 states and 26553 transitions. [2018-12-08 08:23:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 08:23:42,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:42,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:42,814 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:42,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:42,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1323058643, now seen corresponding path program 1 times [2018-12-08 08:23:42,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:42,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:42,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:42,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:42,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:42,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:23:42,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:23:42,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:23:42,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:23:42,839 INFO L87 Difference]: Start difference. First operand 8291 states and 26553 transitions. Second operand 3 states. [2018-12-08 08:23:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:42,885 INFO L93 Difference]: Finished difference Result 10987 states and 34708 transitions. [2018-12-08 08:23:42,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:23:42,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 08:23:42,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:42,897 INFO L225 Difference]: With dead ends: 10987 [2018-12-08 08:23:42,897 INFO L226 Difference]: Without dead ends: 10983 [2018-12-08 08:23:42,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:23:42,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10983 states. [2018-12-08 08:23:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10983 to 8509. [2018-12-08 08:23:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8509 states. [2018-12-08 08:23:43,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 26989 transitions. [2018-12-08 08:23:43,001 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 26989 transitions. Word has length 52 [2018-12-08 08:23:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:43,002 INFO L480 AbstractCegarLoop]: Abstraction has 8509 states and 26989 transitions. [2018-12-08 08:23:43,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:23:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 26989 transitions. [2018-12-08 08:23:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 08:23:43,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:43,003 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] [2018-12-08 08:23:43,003 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:43,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:43,003 INFO L82 PathProgramCache]: Analyzing trace with hash -260685666, now seen corresponding path program 1 times [2018-12-08 08:23:43,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:43,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:43,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:43,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:43,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:43,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:23:43,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:23:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:23:43,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:23:43,056 INFO L87 Difference]: Start difference. First operand 8509 states and 26989 transitions. Second operand 6 states. [2018-12-08 08:23:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:43,300 INFO L93 Difference]: Finished difference Result 11925 states and 37200 transitions. [2018-12-08 08:23:43,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 08:23:43,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-12-08 08:23:43,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:43,312 INFO L225 Difference]: With dead ends: 11925 [2018-12-08 08:23:43,313 INFO L226 Difference]: Without dead ends: 11828 [2018-12-08 08:23:43,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:23:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2018-12-08 08:23:43,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 9283. [2018-12-08 08:23:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9283 states. [2018-12-08 08:23:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9283 states to 9283 states and 29433 transitions. [2018-12-08 08:23:43,480 INFO L78 Accepts]: Start accepts. Automaton has 9283 states and 29433 transitions. Word has length 56 [2018-12-08 08:23:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:43,480 INFO L480 AbstractCegarLoop]: Abstraction has 9283 states and 29433 transitions. [2018-12-08 08:23:43,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:23:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 9283 states and 29433 transitions. [2018-12-08 08:23:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 08:23:43,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:43,485 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:43,485 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:43,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash -257711961, now seen corresponding path program 1 times [2018-12-08 08:23:43,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:43,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:43,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:43,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:43,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:43,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:23:43,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:23:43,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:23:43,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:43,537 INFO L87 Difference]: Start difference. First operand 9283 states and 29433 transitions. Second operand 4 states. [2018-12-08 08:23:43,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:43,627 INFO L93 Difference]: Finished difference Result 10902 states and 34384 transitions. [2018-12-08 08:23:43,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:23:43,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-08 08:23:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:43,639 INFO L225 Difference]: With dead ends: 10902 [2018-12-08 08:23:43,639 INFO L226 Difference]: Without dead ends: 10902 [2018-12-08 08:23:43,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:23:43,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10902 states. [2018-12-08 08:23:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10902 to 9934. [2018-12-08 08:23:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9934 states. [2018-12-08 08:23:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9934 states to 9934 states and 31410 transitions. [2018-12-08 08:23:43,749 INFO L78 Accepts]: Start accepts. Automaton has 9934 states and 31410 transitions. Word has length 66 [2018-12-08 08:23:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:43,749 INFO L480 AbstractCegarLoop]: Abstraction has 9934 states and 31410 transitions. [2018-12-08 08:23:43,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:23:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 9934 states and 31410 transitions. [2018-12-08 08:23:43,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 08:23:43,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:43,754 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:43,754 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:43,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:43,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1485098374, now seen corresponding path program 1 times [2018-12-08 08:23:43,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:43,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:43,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:43,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:43,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:43,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:43,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:23:43,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:23:43,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:23:43,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:23:43,790 INFO L87 Difference]: Start difference. First operand 9934 states and 31410 transitions. Second operand 5 states. [2018-12-08 08:23:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:43,814 INFO L93 Difference]: Finished difference Result 2986 states and 7671 transitions. [2018-12-08 08:23:43,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:23:43,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-08 08:23:43,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:43,817 INFO L225 Difference]: With dead ends: 2986 [2018-12-08 08:23:43,817 INFO L226 Difference]: Without dead ends: 2434 [2018-12-08 08:23:43,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2018-12-08 08:23:43,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2316. [2018-12-08 08:23:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2316 states. [2018-12-08 08:23:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 5797 transitions. [2018-12-08 08:23:43,833 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 5797 transitions. Word has length 66 [2018-12-08 08:23:43,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:43,833 INFO L480 AbstractCegarLoop]: Abstraction has 2316 states and 5797 transitions. [2018-12-08 08:23:43,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:23:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 5797 transitions. [2018-12-08 08:23:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:43,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:43,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:43,835 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:43,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:43,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1842558506, now seen corresponding path program 1 times [2018-12-08 08:23:43,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:43,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:43,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:43,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:43,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:43,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:23:43,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:23:43,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:23:43,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:43,898 INFO L87 Difference]: Start difference. First operand 2316 states and 5797 transitions. Second operand 4 states. [2018-12-08 08:23:43,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:43,997 INFO L93 Difference]: Finished difference Result 3237 states and 7911 transitions. [2018-12-08 08:23:43,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:23:43,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-12-08 08:23:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:44,000 INFO L225 Difference]: With dead ends: 3237 [2018-12-08 08:23:44,000 INFO L226 Difference]: Without dead ends: 3237 [2018-12-08 08:23:44,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2018-12-08 08:23:44,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 2818. [2018-12-08 08:23:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-12-08 08:23:44,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 6932 transitions. [2018-12-08 08:23:44,025 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 6932 transitions. Word has length 85 [2018-12-08 08:23:44,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:44,025 INFO L480 AbstractCegarLoop]: Abstraction has 2818 states and 6932 transitions. [2018-12-08 08:23:44,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:23:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 6932 transitions. [2018-12-08 08:23:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:44,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:44,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:44,028 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:44,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:44,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2122643029, now seen corresponding path program 1 times [2018-12-08 08:23:44,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:44,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:44,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:44,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:44,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:44,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:23:44,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:23:44,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:23:44,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:23:44,084 INFO L87 Difference]: Start difference. First operand 2818 states and 6932 transitions. Second operand 6 states. [2018-12-08 08:23:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:44,424 INFO L93 Difference]: Finished difference Result 3720 states and 9029 transitions. [2018-12-08 08:23:44,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:23:44,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 08:23:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:44,427 INFO L225 Difference]: With dead ends: 3720 [2018-12-08 08:23:44,427 INFO L226 Difference]: Without dead ends: 3633 [2018-12-08 08:23:44,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:44,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2018-12-08 08:23:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3450. [2018-12-08 08:23:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3450 states. [2018-12-08 08:23:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3450 states and 8445 transitions. [2018-12-08 08:23:44,453 INFO L78 Accepts]: Start accepts. Automaton has 3450 states and 8445 transitions. Word has length 85 [2018-12-08 08:23:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:44,453 INFO L480 AbstractCegarLoop]: Abstraction has 3450 states and 8445 transitions. [2018-12-08 08:23:44,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:23:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 8445 transitions. [2018-12-08 08:23:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:44,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:44,456 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, 1] [2018-12-08 08:23:44,456 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:44,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:44,457 INFO L82 PathProgramCache]: Analyzing trace with hash -989273686, now seen corresponding path program 2 times [2018-12-08 08:23:44,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:44,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:44,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:44,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:44,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:44,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:23:44,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:23:44,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:23:44,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:44,558 INFO L87 Difference]: Start difference. First operand 3450 states and 8445 transitions. Second operand 7 states. [2018-12-08 08:23:44,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:44,820 INFO L93 Difference]: Finished difference Result 4419 states and 10851 transitions. [2018-12-08 08:23:44,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:23:44,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-12-08 08:23:44,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:44,824 INFO L225 Difference]: With dead ends: 4419 [2018-12-08 08:23:44,824 INFO L226 Difference]: Without dead ends: 4419 [2018-12-08 08:23:44,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2018-12-08 08:23:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 3616. [2018-12-08 08:23:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3616 states. [2018-12-08 08:23:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 8928 transitions. [2018-12-08 08:23:44,853 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 8928 transitions. Word has length 85 [2018-12-08 08:23:44,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:44,853 INFO L480 AbstractCegarLoop]: Abstraction has 3616 states and 8928 transitions. [2018-12-08 08:23:44,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:23:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 8928 transitions. [2018-12-08 08:23:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:44,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:44,857 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:44,857 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:44,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:44,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1249640684, now seen corresponding path program 1 times [2018-12-08 08:23:44,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:44,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:44,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,858 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:23:44,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:44,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:44,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:23:44,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:23:44,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:23:44,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:23:44,926 INFO L87 Difference]: Start difference. First operand 3616 states and 8928 transitions. Second operand 6 states. [2018-12-08 08:23:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:45,132 INFO L93 Difference]: Finished difference Result 4458 states and 10391 transitions. [2018-12-08 08:23:45,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:23:45,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 08:23:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:45,135 INFO L225 Difference]: With dead ends: 4458 [2018-12-08 08:23:45,135 INFO L226 Difference]: Without dead ends: 4458 [2018-12-08 08:23:45,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:23:45,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2018-12-08 08:23:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 3776. [2018-12-08 08:23:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3776 states. [2018-12-08 08:23:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3776 states and 8901 transitions. [2018-12-08 08:23:45,174 INFO L78 Accepts]: Start accepts. Automaton has 3776 states and 8901 transitions. Word has length 85 [2018-12-08 08:23:45,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:45,174 INFO L480 AbstractCegarLoop]: Abstraction has 3776 states and 8901 transitions. [2018-12-08 08:23:45,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:23:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3776 states and 8901 transitions. [2018-12-08 08:23:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:45,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:45,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:45,178 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:45,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:45,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1319845715, now seen corresponding path program 1 times [2018-12-08 08:23:45,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:45,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:45,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:45,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:45,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:45,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:23:45,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:23:45,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:23:45,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:23:45,221 INFO L87 Difference]: Start difference. First operand 3776 states and 8901 transitions. Second operand 5 states. [2018-12-08 08:23:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:45,377 INFO L93 Difference]: Finished difference Result 4707 states and 10963 transitions. [2018-12-08 08:23:45,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:23:45,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2018-12-08 08:23:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:45,381 INFO L225 Difference]: With dead ends: 4707 [2018-12-08 08:23:45,381 INFO L226 Difference]: Without dead ends: 4683 [2018-12-08 08:23:45,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:23:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4683 states. [2018-12-08 08:23:45,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4683 to 3895. [2018-12-08 08:23:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3895 states. [2018-12-08 08:23:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 9135 transitions. [2018-12-08 08:23:45,468 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 9135 transitions. Word has length 85 [2018-12-08 08:23:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:45,468 INFO L480 AbstractCegarLoop]: Abstraction has 3895 states and 9135 transitions. [2018-12-08 08:23:45,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:23:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 9135 transitions. [2018-12-08 08:23:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:45,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:45,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:45,471 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:45,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:45,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1600221983, now seen corresponding path program 2 times [2018-12-08 08:23:45,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:45,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:45,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:45,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:45,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:45,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:23:45,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:23:45,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:23:45,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:45,505 INFO L87 Difference]: Start difference. First operand 3895 states and 9135 transitions. Second operand 4 states. [2018-12-08 08:23:45,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:45,558 INFO L93 Difference]: Finished difference Result 4103 states and 9671 transitions. [2018-12-08 08:23:45,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:23:45,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-12-08 08:23:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:45,561 INFO L225 Difference]: With dead ends: 4103 [2018-12-08 08:23:45,561 INFO L226 Difference]: Without dead ends: 4103 [2018-12-08 08:23:45,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:23:45,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4103 states. [2018-12-08 08:23:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4103 to 3959. [2018-12-08 08:23:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3959 states. [2018-12-08 08:23:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 9311 transitions. [2018-12-08 08:23:45,592 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 9311 transitions. Word has length 85 [2018-12-08 08:23:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:45,592 INFO L480 AbstractCegarLoop]: Abstraction has 3959 states and 9311 transitions. [2018-12-08 08:23:45,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:23:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 9311 transitions. [2018-12-08 08:23:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 08:23:45,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:45,596 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:45,596 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:45,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash -207232480, now seen corresponding path program 1 times [2018-12-08 08:23:45,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:45,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,597 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:23:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:45,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:45,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:23:45,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:23:45,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:23:45,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:23:45,675 INFO L87 Difference]: Start difference. First operand 3959 states and 9311 transitions. Second operand 6 states. [2018-12-08 08:23:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:45,709 INFO L93 Difference]: Finished difference Result 3911 states and 9063 transitions. [2018-12-08 08:23:45,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:23:45,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 08:23:45,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:45,711 INFO L225 Difference]: With dead ends: 3911 [2018-12-08 08:23:45,712 INFO L226 Difference]: Without dead ends: 3911 [2018-12-08 08:23:45,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2018-12-08 08:23:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3289. [2018-12-08 08:23:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3289 states. [2018-12-08 08:23:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 7670 transitions. [2018-12-08 08:23:45,736 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 7670 transitions. Word has length 85 [2018-12-08 08:23:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:45,736 INFO L480 AbstractCegarLoop]: Abstraction has 3289 states and 7670 transitions. [2018-12-08 08:23:45,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:23:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 7670 transitions. [2018-12-08 08:23:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 08:23:45,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:45,739 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:45,739 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:45,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:45,739 INFO L82 PathProgramCache]: Analyzing trace with hash 792045687, now seen corresponding path program 1 times [2018-12-08 08:23:45,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:45,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:45,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:45,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:45,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:45,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 08:23:45,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 08:23:45,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 08:23:45,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:23:45,837 INFO L87 Difference]: Start difference. First operand 3289 states and 7670 transitions. Second operand 11 states. [2018-12-08 08:23:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:46,662 INFO L93 Difference]: Finished difference Result 5442 states and 12665 transitions. [2018-12-08 08:23:46,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 08:23:46,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2018-12-08 08:23:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:46,665 INFO L225 Difference]: With dead ends: 5442 [2018-12-08 08:23:46,665 INFO L226 Difference]: Without dead ends: 3891 [2018-12-08 08:23:46,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-08 08:23:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2018-12-08 08:23:46,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3360. [2018-12-08 08:23:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3360 states. [2018-12-08 08:23:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 7777 transitions. [2018-12-08 08:23:46,688 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 7777 transitions. Word has length 87 [2018-12-08 08:23:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:46,688 INFO L480 AbstractCegarLoop]: Abstraction has 3360 states and 7777 transitions. [2018-12-08 08:23:46,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 08:23:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 7777 transitions. [2018-12-08 08:23:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 08:23:46,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:46,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:23:46,691 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:46,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1869156796, now seen corresponding path program 1 times [2018-12-08 08:23:46,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:46,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:46,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:46,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:46,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:23:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:23:46,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:23:46,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:23:46,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:23:46,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:23:46,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:23:46,771 INFO L87 Difference]: Start difference. First operand 3360 states and 7777 transitions. Second operand 6 states. [2018-12-08 08:23:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:23:46,942 INFO L93 Difference]: Finished difference Result 3854 states and 8813 transitions. [2018-12-08 08:23:46,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:23:46,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-12-08 08:23:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:23:46,945 INFO L225 Difference]: With dead ends: 3854 [2018-12-08 08:23:46,945 INFO L226 Difference]: Without dead ends: 3796 [2018-12-08 08:23:46,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:23:46,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2018-12-08 08:23:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3125. [2018-12-08 08:23:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3125 states. [2018-12-08 08:23:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 7130 transitions. [2018-12-08 08:23:46,968 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 7130 transitions. Word has length 87 [2018-12-08 08:23:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:23:46,969 INFO L480 AbstractCegarLoop]: Abstraction has 3125 states and 7130 transitions. [2018-12-08 08:23:46,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:23:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 7130 transitions. [2018-12-08 08:23:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 08:23:46,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:23:46,971 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, 1, 1, 1] [2018-12-08 08:23:46,971 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:23:46,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:23:46,971 INFO L82 PathProgramCache]: Analyzing trace with hash -208052547, now seen corresponding path program 2 times [2018-12-08 08:23:46,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:23:46,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:23:46,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:46,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:23:46,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:23:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:23:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:23:47,025 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 08:23:47,120 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 08:23:47,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:23:47 BasicIcfg [2018-12-08 08:23:47,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:23:47,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:23:47,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:23:47,121 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:23:47,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:23:39" (3/4) ... [2018-12-08 08:23:47,124 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 08:23:47,196 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14cb6ad0-fe55-477b-a652-3ebf1f6a8234/bin-2019/uautomizer/witness.graphml [2018-12-08 08:23:47,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:23:47,197 INFO L168 Benchmark]: Toolchain (without parser) took 8329.14 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 775.4 MB). Free memory was 956.0 MB in the beginning and 909.7 MB in the end (delta: 46.3 MB). Peak memory consumption was 821.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,198 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:23:47,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,198 INFO L168 Benchmark]: Boogie Preprocessor took 20.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:23:47,199 INFO L168 Benchmark]: RCFGBuilder took 310.36 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,199 INFO L168 Benchmark]: TraceAbstraction took 7531.11 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 634.9 MB). Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 122.6 MB). Peak memory consumption was 757.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,199 INFO L168 Benchmark]: Witness Printer took 75.22 ms. Allocated memory is still 1.8 GB. Free memory was 941.4 MB in the beginning and 909.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:23:47,200 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.78 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 310.36 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7531.11 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 634.9 MB). Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 122.6 MB). Peak memory consumption was 757.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.22 ms. Allocated memory is still 1.8 GB. Free memory was 941.4 MB in the beginning and 909.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L678] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L680] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L682] -1 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0] [L683] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0] [L684] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L686] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L688] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L689] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L690] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L691] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L692] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L693] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L694] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L695] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L696] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L697] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L698] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L699] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L700] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L701] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L702] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L704] -1 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L705] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L706] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L786] -1 pthread_t t837; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L787] FCALL, FORK -1 pthread_create(&t837, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] -1 pthread_t t838; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L789] FCALL, FORK -1 pthread_create(&t838, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L744] 0 y$w_buff1 = y$w_buff0 [L745] 0 y$w_buff0 = 1 [L746] 0 y$w_buff1_used = y$w_buff0_used [L747] 0 y$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L749] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L750] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L751] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L752] 0 y$r_buff0_thd2 = (_Bool)1 [L755] 0 z = 1 [L758] 0 __unbuffered_p1_EAX = z [L761] 0 __unbuffered_p1_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L764] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L710] 1 a = 1 [L713] 1 x = 1 [L716] 1 __unbuffered_p0_EAX = x [L719] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L720] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L721] 1 y$flush_delayed = weak$$choice2 [L722] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L723] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L723] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L724] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L724] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L725] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L725] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L726] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L726] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L727] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L727] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L728] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L728] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L729] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L729] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L730] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L731] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L764] 0 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L731] 1 y = y$flush_delayed ? y$mem_tmp : y [L732] 1 y$flush_delayed = (_Bool)0 [L737] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L766] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L767] 0 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 0 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L771] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L791] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L795] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L795] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L795] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L795] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L796] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L796] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L797] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L797] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L798] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L798] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L799] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L799] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L802] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 202 locations, 3 error locations. UNSAFE Result, 7.4s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3886 SDtfs, 4225 SDslu, 8623 SDs, 0 SdLazy, 3438 SolverSat, 189 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 36 SyntacticMatches, 11 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27858occurred in iteration=0, 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: 1.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 27456 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1236 NumberOfCodeBlocks, 1236 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1133 ConstructedInterpolants, 0 QuantifiedInterpolants, 208347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...