./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix031_rmo.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_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/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 4f221d833e364c3e33adbf7c282934490fb85058 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:07:45,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:07:45,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:07:45,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:07:45,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:07:45,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:07:45,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:07:45,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:07:45,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:07:45,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:07:45,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:07:45,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:07:45,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:07:45,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:07:45,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:07:45,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:07:45,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:07:45,273 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:07:45,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:07:45,276 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:07:45,276 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:07:45,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:07:45,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:07:45,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:07:45,279 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:07:45,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:07:45,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:07:45,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:07:45,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:07:45,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:07:45,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:07:45,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:07:45,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:07:45,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:07:45,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:07:45,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:07:45,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:07:45,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:07:45,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:07:45,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:07:45,295 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:07:45,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:07:45,295 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:07:45,295 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:07:45,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:07:45,296 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:07:45,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:07:45,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:07:45,297 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:07:45,297 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:07:45,297 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:07:45,297 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:07:45,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:07:45,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:07:45,298 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_b4e84c4c-7089-4aee-a22a-6cd677d13e87/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 -> 4f221d833e364c3e33adbf7c282934490fb85058 [2018-12-08 09:07:45,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:07:45,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:07:45,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:07:45,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:07:45,329 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:07:45,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix031_rmo.opt_false-unreach-call.i [2018-12-08 09:07:45,363 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/data/1ff000bd4/d84ac90e4911409f96a500f20e2d4b07/FLAG78fc3c104 [2018-12-08 09:07:45,729 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:07:45,730 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/sv-benchmarks/c/pthread-wmm/mix031_rmo.opt_false-unreach-call.i [2018-12-08 09:07:45,737 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/data/1ff000bd4/d84ac90e4911409f96a500f20e2d4b07/FLAG78fc3c104 [2018-12-08 09:07:46,111 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/data/1ff000bd4/d84ac90e4911409f96a500f20e2d4b07 [2018-12-08 09:07:46,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:07:46,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:07:46,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:07:46,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:07:46,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:07:46,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190a4d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46, skipping insertion in model container [2018-12-08 09:07:46,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:07:46,170 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:07:46,346 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:07:46,354 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:07:46,431 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:07:46,462 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:07:46,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46 WrapperNode [2018-12-08 09:07:46,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:07:46,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:07:46,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:07:46,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:07:46,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:07:46,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:07:46,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:07:46,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:07:46,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... [2018-12-08 09:07:46,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:07:46,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:07:46,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:07:46,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:07:46,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/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 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 09:07:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 09:07:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 09:07:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:07:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:07:46,548 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 09:07:46,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:07:46,836 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 09:07:46,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:07:46 BoogieIcfgContainer [2018-12-08 09:07:46,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:07:46,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:07:46,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:07:46,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:07:46,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:07:46" (1/3) ... [2018-12-08 09:07:46,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183cd55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:07:46, skipping insertion in model container [2018-12-08 09:07:46,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:07:46" (2/3) ... [2018-12-08 09:07:46,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183cd55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:07:46, skipping insertion in model container [2018-12-08 09:07:46,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:07:46" (3/3) ... [2018-12-08 09:07:46,841 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031_rmo.opt_false-unreach-call.i [2018-12-08 09:07:46,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:07:46,880 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 09:07:46,880 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:07:46,885 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 09:07:46,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 09:07:46,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:07:46,909 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:07:46,909 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:07:46,909 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:07:46,909 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:07:46,909 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:07:46,910 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:07:46,910 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:07:46,910 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:07:46,916 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134places, 166 transitions [2018-12-08 09:07:47,994 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27858 states. [2018-12-08 09:07:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 27858 states. [2018-12-08 09:07:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 09:07:48,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:48,001 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 09:07:48,002 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:48,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:48,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1858856236, now seen corresponding path program 1 times [2018-12-08 09:07:48,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:48,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:48,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:48,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:48,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:48,142 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 09:07:48,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:48,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:07:48,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:07:48,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:07:48,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:07:48,156 INFO L87 Difference]: Start difference. First operand 27858 states. Second operand 4 states. [2018-12-08 09:07:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:48,511 INFO L93 Difference]: Finished difference Result 47770 states and 183121 transitions. [2018-12-08 09:07:48,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:07:48,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-12-08 09:07:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:48,719 INFO L225 Difference]: With dead ends: 47770 [2018-12-08 09:07:48,719 INFO L226 Difference]: Without dead ends: 34610 [2018-12-08 09:07:48,720 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 09:07:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34610 states. [2018-12-08 09:07:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34610 to 21758. [2018-12-08 09:07:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21758 states. [2018-12-08 09:07:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21758 states to 21758 states and 83443 transitions. [2018-12-08 09:07:49,281 INFO L78 Accepts]: Start accepts. Automaton has 21758 states and 83443 transitions. Word has length 41 [2018-12-08 09:07:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:49,282 INFO L480 AbstractCegarLoop]: Abstraction has 21758 states and 83443 transitions. [2018-12-08 09:07:49,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:07:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 21758 states and 83443 transitions. [2018-12-08 09:07:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 09:07:49,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:49,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:49,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:49,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:49,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1910881222, now seen corresponding path program 1 times [2018-12-08 09:07:49,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:49,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:49,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:49,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:49,343 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 09:07:49,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:49,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:07:49,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:07:49,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:07:49,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:07:49,345 INFO L87 Difference]: Start difference. First operand 21758 states and 83443 transitions. Second operand 4 states. [2018-12-08 09:07:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:49,410 INFO L93 Difference]: Finished difference Result 7172 states and 23628 transitions. [2018-12-08 09:07:49,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 09:07:49,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-12-08 09:07:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:49,424 INFO L225 Difference]: With dead ends: 7172 [2018-12-08 09:07:49,425 INFO L226 Difference]: Without dead ends: 6326 [2018-12-08 09:07:49,425 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 09:07:49,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6326 states. [2018-12-08 09:07:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6326 to 6326. [2018-12-08 09:07:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6326 states. [2018-12-08 09:07:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6326 states to 6326 states and 20700 transitions. [2018-12-08 09:07:49,513 INFO L78 Accepts]: Start accepts. Automaton has 6326 states and 20700 transitions. Word has length 49 [2018-12-08 09:07:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:49,513 INFO L480 AbstractCegarLoop]: Abstraction has 6326 states and 20700 transitions. [2018-12-08 09:07:49,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:07:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6326 states and 20700 transitions. [2018-12-08 09:07:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 09:07:49,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:49,514 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 09:07:49,514 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:49,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:49,515 INFO L82 PathProgramCache]: Analyzing trace with hash 844464111, now seen corresponding path program 1 times [2018-12-08 09:07:49,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:49,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:49,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:49,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:49,575 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 09:07:49,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:49,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:07:49,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:07:49,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:07:49,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:49,577 INFO L87 Difference]: Start difference. First operand 6326 states and 20700 transitions. Second operand 5 states. [2018-12-08 09:07:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:49,784 INFO L93 Difference]: Finished difference Result 12022 states and 38786 transitions. [2018-12-08 09:07:49,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:07:49,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-12-08 09:07:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:49,798 INFO L225 Difference]: With dead ends: 12022 [2018-12-08 09:07:49,798 INFO L226 Difference]: Without dead ends: 11947 [2018-12-08 09:07:49,798 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 09:07:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11947 states. [2018-12-08 09:07:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11947 to 8291. [2018-12-08 09:07:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8291 states. [2018-12-08 09:07:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8291 states to 8291 states and 26553 transitions. [2018-12-08 09:07:49,920 INFO L78 Accepts]: Start accepts. Automaton has 8291 states and 26553 transitions. Word has length 50 [2018-12-08 09:07:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:49,921 INFO L480 AbstractCegarLoop]: Abstraction has 8291 states and 26553 transitions. [2018-12-08 09:07:49,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:07:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 8291 states and 26553 transitions. [2018-12-08 09:07:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 09:07:49,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:49,923 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 09:07:49,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:49,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:49,923 INFO L82 PathProgramCache]: Analyzing trace with hash 663764693, now seen corresponding path program 1 times [2018-12-08 09:07:49,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:49,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:49,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:49,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:49,960 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 09:07:49,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:49,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:07:49,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:07:49,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:07:49,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:07:49,961 INFO L87 Difference]: Start difference. First operand 8291 states and 26553 transitions. Second operand 3 states. [2018-12-08 09:07:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:50,008 INFO L93 Difference]: Finished difference Result 10987 states and 34708 transitions. [2018-12-08 09:07:50,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:07:50,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 09:07:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:50,021 INFO L225 Difference]: With dead ends: 10987 [2018-12-08 09:07:50,021 INFO L226 Difference]: Without dead ends: 10983 [2018-12-08 09:07:50,022 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 09:07:50,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10983 states. [2018-12-08 09:07:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10983 to 8509. [2018-12-08 09:07:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8509 states. [2018-12-08 09:07:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 26989 transitions. [2018-12-08 09:07:50,120 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 26989 transitions. Word has length 52 [2018-12-08 09:07:50,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:50,120 INFO L480 AbstractCegarLoop]: Abstraction has 8509 states and 26989 transitions. [2018-12-08 09:07:50,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:07:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 26989 transitions. [2018-12-08 09:07:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 09:07:50,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:50,122 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 09:07:50,122 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:50,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:50,122 INFO L82 PathProgramCache]: Analyzing trace with hash -324933472, now seen corresponding path program 1 times [2018-12-08 09:07:50,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:50,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:50,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:50,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:07:50,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:50,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:50,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:50,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:50,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:50,186 INFO L87 Difference]: Start difference. First operand 8509 states and 26989 transitions. Second operand 6 states. [2018-12-08 09:07:50,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:50,444 INFO L93 Difference]: Finished difference Result 11925 states and 37200 transitions. [2018-12-08 09:07:50,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 09:07:50,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-12-08 09:07:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:50,456 INFO L225 Difference]: With dead ends: 11925 [2018-12-08 09:07:50,456 INFO L226 Difference]: Without dead ends: 11828 [2018-12-08 09:07:50,457 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 09:07:50,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2018-12-08 09:07:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 9283. [2018-12-08 09:07:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9283 states. [2018-12-08 09:07:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9283 states to 9283 states and 29433 transitions. [2018-12-08 09:07:50,604 INFO L78 Accepts]: Start accepts. Automaton has 9283 states and 29433 transitions. Word has length 56 [2018-12-08 09:07:50,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:50,604 INFO L480 AbstractCegarLoop]: Abstraction has 9283 states and 29433 transitions. [2018-12-08 09:07:50,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9283 states and 29433 transitions. [2018-12-08 09:07:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 09:07:50,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:50,608 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 09:07:50,609 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:50,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:50,609 INFO L82 PathProgramCache]: Analyzing trace with hash 841395753, now seen corresponding path program 1 times [2018-12-08 09:07:50,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:50,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:50,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:50,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:50,654 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 09:07:50,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:50,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:07:50,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:07:50,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:07:50,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:07:50,655 INFO L87 Difference]: Start difference. First operand 9283 states and 29433 transitions. Second operand 4 states. [2018-12-08 09:07:50,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:50,743 INFO L93 Difference]: Finished difference Result 10902 states and 34384 transitions. [2018-12-08 09:07:50,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 09:07:50,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-08 09:07:50,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:50,755 INFO L225 Difference]: With dead ends: 10902 [2018-12-08 09:07:50,755 INFO L226 Difference]: Without dead ends: 10902 [2018-12-08 09:07:50,755 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 09:07:50,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10902 states. [2018-12-08 09:07:50,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10902 to 9934. [2018-12-08 09:07:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9934 states. [2018-12-08 09:07:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9934 states to 9934 states and 31410 transitions. [2018-12-08 09:07:50,860 INFO L78 Accepts]: Start accepts. Automaton has 9934 states and 31410 transitions. Word has length 66 [2018-12-08 09:07:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:50,861 INFO L480 AbstractCegarLoop]: Abstraction has 9934 states and 31410 transitions. [2018-12-08 09:07:50,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:07:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9934 states and 31410 transitions. [2018-12-08 09:07:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 09:07:50,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:50,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:50,865 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:50,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1710761208, now seen corresponding path program 1 times [2018-12-08 09:07:50,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:50,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:50,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:50,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:50,927 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 09:07:50,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:50,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:50,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:50,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:50,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:50,928 INFO L87 Difference]: Start difference. First operand 9934 states and 31410 transitions. Second operand 6 states. [2018-12-08 09:07:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:51,224 INFO L93 Difference]: Finished difference Result 21765 states and 67782 transitions. [2018-12-08 09:07:51,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 09:07:51,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-08 09:07:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:51,247 INFO L225 Difference]: With dead ends: 21765 [2018-12-08 09:07:51,247 INFO L226 Difference]: Without dead ends: 21701 [2018-12-08 09:07:51,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-08 09:07:51,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21701 states. [2018-12-08 09:07:51,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21701 to 13159. [2018-12-08 09:07:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13159 states. [2018-12-08 09:07:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 40991 transitions. [2018-12-08 09:07:51,421 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 40991 transitions. Word has length 66 [2018-12-08 09:07:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:51,421 INFO L480 AbstractCegarLoop]: Abstraction has 13159 states and 40991 transitions. [2018-12-08 09:07:51,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 40991 transitions. [2018-12-08 09:07:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 09:07:51,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:51,427 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] [2018-12-08 09:07:51,428 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:51,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:51,428 INFO L82 PathProgramCache]: Analyzing trace with hash -52804182, now seen corresponding path program 1 times [2018-12-08 09:07:51,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:51,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:51,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:51,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:51,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:51,482 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 09:07:51,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:51,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:07:51,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:07:51,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:07:51,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:07:51,484 INFO L87 Difference]: Start difference. First operand 13159 states and 40991 transitions. Second operand 4 states. [2018-12-08 09:07:51,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:51,673 INFO L93 Difference]: Finished difference Result 16698 states and 51258 transitions. [2018-12-08 09:07:51,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:07:51,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-12-08 09:07:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:51,691 INFO L225 Difference]: With dead ends: 16698 [2018-12-08 09:07:51,692 INFO L226 Difference]: Without dead ends: 16698 [2018-12-08 09:07:51,692 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 09:07:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2018-12-08 09:07:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 15122. [2018-12-08 09:07:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15122 states. [2018-12-08 09:07:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15122 states to 15122 states and 46581 transitions. [2018-12-08 09:07:51,895 INFO L78 Accepts]: Start accepts. Automaton has 15122 states and 46581 transitions. Word has length 68 [2018-12-08 09:07:51,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:51,895 INFO L480 AbstractCegarLoop]: Abstraction has 15122 states and 46581 transitions. [2018-12-08 09:07:51,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:07:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 15122 states and 46581 transitions. [2018-12-08 09:07:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 09:07:51,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:51,904 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] [2018-12-08 09:07:51,904 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:51,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:51,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2130013525, now seen corresponding path program 1 times [2018-12-08 09:07:51,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:51,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:51,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:51,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:51,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:51,926 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 09:07:51,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:51,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:07:51,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:07:51,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:07:51,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:07:51,927 INFO L87 Difference]: Start difference. First operand 15122 states and 46581 transitions. Second operand 3 states. [2018-12-08 09:07:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:52,123 INFO L93 Difference]: Finished difference Result 15720 states and 48233 transitions. [2018-12-08 09:07:52,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:07:52,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-12-08 09:07:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:52,139 INFO L225 Difference]: With dead ends: 15720 [2018-12-08 09:07:52,139 INFO L226 Difference]: Without dead ends: 15720 [2018-12-08 09:07:52,139 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 09:07:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15720 states. [2018-12-08 09:07:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15720 to 15448. [2018-12-08 09:07:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15448 states. [2018-12-08 09:07:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15448 states to 15448 states and 47475 transitions. [2018-12-08 09:07:52,292 INFO L78 Accepts]: Start accepts. Automaton has 15448 states and 47475 transitions. Word has length 68 [2018-12-08 09:07:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:52,292 INFO L480 AbstractCegarLoop]: Abstraction has 15448 states and 47475 transitions. [2018-12-08 09:07:52,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:07:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 15448 states and 47475 transitions. [2018-12-08 09:07:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:52,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:52,300 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:52,300 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:52,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:52,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1509935379, now seen corresponding path program 1 times [2018-12-08 09:07:52,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:52,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:52,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:52,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:52,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:52,349 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 09:07:52,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:52,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:52,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:52,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:52,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:52,350 INFO L87 Difference]: Start difference. First operand 15448 states and 47475 transitions. Second operand 6 states. [2018-12-08 09:07:52,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:52,796 INFO L93 Difference]: Finished difference Result 18771 states and 56913 transitions. [2018-12-08 09:07:52,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:07:52,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-12-08 09:07:52,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:52,816 INFO L225 Difference]: With dead ends: 18771 [2018-12-08 09:07:52,816 INFO L226 Difference]: Without dead ends: 18771 [2018-12-08 09:07:52,817 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 09:07:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18771 states. [2018-12-08 09:07:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18771 to 17775. [2018-12-08 09:07:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17775 states. [2018-12-08 09:07:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17775 states to 17775 states and 54207 transitions. [2018-12-08 09:07:52,997 INFO L78 Accepts]: Start accepts. Automaton has 17775 states and 54207 transitions. Word has length 70 [2018-12-08 09:07:52,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:52,997 INFO L480 AbstractCegarLoop]: Abstraction has 17775 states and 54207 transitions. [2018-12-08 09:07:52,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17775 states and 54207 transitions. [2018-12-08 09:07:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:53,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:53,007 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:53,007 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:53,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:53,008 INFO L82 PathProgramCache]: Analyzing trace with hash -567273964, now seen corresponding path program 1 times [2018-12-08 09:07:53,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:53,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:53,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:53,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:53,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:53,088 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 09:07:53,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:53,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:53,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:53,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:53,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:53,089 INFO L87 Difference]: Start difference. First operand 17775 states and 54207 transitions. Second operand 6 states. [2018-12-08 09:07:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:53,325 INFO L93 Difference]: Finished difference Result 20829 states and 61550 transitions. [2018-12-08 09:07:53,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 09:07:53,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-12-08 09:07:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:53,346 INFO L225 Difference]: With dead ends: 20829 [2018-12-08 09:07:53,346 INFO L226 Difference]: Without dead ends: 20829 [2018-12-08 09:07:53,346 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 09:07:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20829 states. [2018-12-08 09:07:53,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20829 to 18076. [2018-12-08 09:07:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18076 states. [2018-12-08 09:07:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18076 states to 18076 states and 54063 transitions. [2018-12-08 09:07:53,559 INFO L78 Accepts]: Start accepts. Automaton has 18076 states and 54063 transitions. Word has length 70 [2018-12-08 09:07:53,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:53,559 INFO L480 AbstractCegarLoop]: Abstraction has 18076 states and 54063 transitions. [2018-12-08 09:07:53,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 18076 states and 54063 transitions. [2018-12-08 09:07:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:53,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:53,568 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:53,569 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:53,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:53,569 INFO L82 PathProgramCache]: Analyzing trace with hash -355923051, now seen corresponding path program 1 times [2018-12-08 09:07:53,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:53,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:53,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:53,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:53,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:53,618 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 09:07:53,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:53,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:07:53,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:07:53,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:07:53,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:53,619 INFO L87 Difference]: Start difference. First operand 18076 states and 54063 transitions. Second operand 5 states. [2018-12-08 09:07:53,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:53,814 INFO L93 Difference]: Finished difference Result 22793 states and 67730 transitions. [2018-12-08 09:07:53,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:07:53,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 09:07:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:53,837 INFO L225 Difference]: With dead ends: 22793 [2018-12-08 09:07:53,837 INFO L226 Difference]: Without dead ends: 22793 [2018-12-08 09:07:53,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:07:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22793 states. [2018-12-08 09:07:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22793 to 19399. [2018-12-08 09:07:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19399 states. [2018-12-08 09:07:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19399 states to 19399 states and 57544 transitions. [2018-12-08 09:07:54,031 INFO L78 Accepts]: Start accepts. Automaton has 19399 states and 57544 transitions. Word has length 70 [2018-12-08 09:07:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:54,031 INFO L480 AbstractCegarLoop]: Abstraction has 19399 states and 57544 transitions. [2018-12-08 09:07:54,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:07:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19399 states and 57544 transitions. [2018-12-08 09:07:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:54,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:54,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:54,041 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:54,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:54,041 INFO L82 PathProgramCache]: Analyzing trace with hash -866457228, now seen corresponding path program 1 times [2018-12-08 09:07:54,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:54,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:54,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:54,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:54,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:54,089 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 09:07:54,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:54,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:07:54,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:07:54,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:07:54,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:54,090 INFO L87 Difference]: Start difference. First operand 19399 states and 57544 transitions. Second operand 5 states. [2018-12-08 09:07:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:54,336 INFO L93 Difference]: Finished difference Result 26466 states and 78091 transitions. [2018-12-08 09:07:54,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:07:54,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 09:07:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:54,365 INFO L225 Difference]: With dead ends: 26466 [2018-12-08 09:07:54,365 INFO L226 Difference]: Without dead ends: 26466 [2018-12-08 09:07:54,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:07:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26466 states. [2018-12-08 09:07:54,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26466 to 20584. [2018-12-08 09:07:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20584 states. [2018-12-08 09:07:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20584 states to 20584 states and 61050 transitions. [2018-12-08 09:07:54,598 INFO L78 Accepts]: Start accepts. Automaton has 20584 states and 61050 transitions. Word has length 70 [2018-12-08 09:07:54,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:54,598 INFO L480 AbstractCegarLoop]: Abstraction has 20584 states and 61050 transitions. [2018-12-08 09:07:54,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:07:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20584 states and 61050 transitions. [2018-12-08 09:07:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:54,609 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:54,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:54,609 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:54,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:54,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1621055605, now seen corresponding path program 1 times [2018-12-08 09:07:54,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:54,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:54,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:54,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:54,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:07:54,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:54,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:07:54,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:07:54,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:07:54,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:07:54,641 INFO L87 Difference]: Start difference. First operand 20584 states and 61050 transitions. Second operand 4 states. [2018-12-08 09:07:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:54,967 INFO L93 Difference]: Finished difference Result 28448 states and 84504 transitions. [2018-12-08 09:07:54,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 09:07:54,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-12-08 09:07:54,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:54,997 INFO L225 Difference]: With dead ends: 28448 [2018-12-08 09:07:54,997 INFO L226 Difference]: Without dead ends: 28028 [2018-12-08 09:07:54,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28028 states. [2018-12-08 09:07:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28028 to 25836. [2018-12-08 09:07:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25836 states. [2018-12-08 09:07:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25836 states to 25836 states and 76852 transitions. [2018-12-08 09:07:55,379 INFO L78 Accepts]: Start accepts. Automaton has 25836 states and 76852 transitions. Word has length 70 [2018-12-08 09:07:55,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:55,379 INFO L480 AbstractCegarLoop]: Abstraction has 25836 states and 76852 transitions. [2018-12-08 09:07:55,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:07:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 25836 states and 76852 transitions. [2018-12-08 09:07:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:07:55,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:55,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:07:55,390 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:55,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash -175895754, now seen corresponding path program 1 times [2018-12-08 09:07:55,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:55,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:55,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:55,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:55,427 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 09:07:55,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:55,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:07:55,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:07:55,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:07:55,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:55,428 INFO L87 Difference]: Start difference. First operand 25836 states and 76852 transitions. Second operand 5 states. [2018-12-08 09:07:55,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:55,458 INFO L93 Difference]: Finished difference Result 7052 states and 16992 transitions. [2018-12-08 09:07:55,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:07:55,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 09:07:55,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:55,462 INFO L225 Difference]: With dead ends: 7052 [2018-12-08 09:07:55,463 INFO L226 Difference]: Without dead ends: 5565 [2018-12-08 09:07:55,463 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 09:07:55,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2018-12-08 09:07:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 4891. [2018-12-08 09:07:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4891 states. [2018-12-08 09:07:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 4891 states and 11544 transitions. [2018-12-08 09:07:55,501 INFO L78 Accepts]: Start accepts. Automaton has 4891 states and 11544 transitions. Word has length 70 [2018-12-08 09:07:55,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:55,502 INFO L480 AbstractCegarLoop]: Abstraction has 4891 states and 11544 transitions. [2018-12-08 09:07:55,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:07:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4891 states and 11544 transitions. [2018-12-08 09:07:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 09:07:55,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:55,505 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 09:07:55,505 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:55,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:55,505 INFO L82 PathProgramCache]: Analyzing trace with hash 912313909, now seen corresponding path program 1 times [2018-12-08 09:07:55,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:55,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:55,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:55,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:55,578 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 09:07:55,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:55,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 09:07:55,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:07:55,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:07:55,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:07:55,579 INFO L87 Difference]: Start difference. First operand 4891 states and 11544 transitions. Second operand 7 states. [2018-12-08 09:07:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:55,845 INFO L93 Difference]: Finished difference Result 6133 states and 14405 transitions. [2018-12-08 09:07:55,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:07:55,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-12-08 09:07:55,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:55,849 INFO L225 Difference]: With dead ends: 6133 [2018-12-08 09:07:55,849 INFO L226 Difference]: Without dead ends: 6133 [2018-12-08 09:07:55,850 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 09:07:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6133 states. [2018-12-08 09:07:55,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6133 to 5041. [2018-12-08 09:07:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5041 states. [2018-12-08 09:07:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 11934 transitions. [2018-12-08 09:07:55,886 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 11934 transitions. Word has length 85 [2018-12-08 09:07:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:55,886 INFO L480 AbstractCegarLoop]: Abstraction has 5041 states and 11934 transitions. [2018-12-08 09:07:55,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:07:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 11934 transitions. [2018-12-08 09:07:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 09:07:55,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:55,890 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 09:07:55,890 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:55,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:55,890 INFO L82 PathProgramCache]: Analyzing trace with hash 581741880, now seen corresponding path program 1 times [2018-12-08 09:07:55,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:55,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:55,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:55,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:55,935 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 09:07:55,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:55,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:07:55,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:07:55,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:07:55,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:07:55,936 INFO L87 Difference]: Start difference. First operand 5041 states and 11934 transitions. Second operand 5 states. [2018-12-08 09:07:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:56,063 INFO L93 Difference]: Finished difference Result 5883 states and 13764 transitions. [2018-12-08 09:07:56,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:07:56,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2018-12-08 09:07:56,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:56,068 INFO L225 Difference]: With dead ends: 5883 [2018-12-08 09:07:56,069 INFO L226 Difference]: Without dead ends: 5849 [2018-12-08 09:07:56,069 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 09:07:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2018-12-08 09:07:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 5197. [2018-12-08 09:07:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5197 states. [2018-12-08 09:07:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 12242 transitions. [2018-12-08 09:07:56,111 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 12242 transitions. Word has length 85 [2018-12-08 09:07:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:56,111 INFO L480 AbstractCegarLoop]: Abstraction has 5197 states and 12242 transitions. [2018-12-08 09:07:56,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:07:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 12242 transitions. [2018-12-08 09:07:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 09:07:56,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:56,114 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 09:07:56,115 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:56,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:56,115 INFO L82 PathProgramCache]: Analyzing trace with hash -221645014, now seen corresponding path program 2 times [2018-12-08 09:07:56,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:56,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:56,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:56,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:56,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:56,172 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 09:07:56,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:56,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:56,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:56,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:56,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:56,173 INFO L87 Difference]: Start difference. First operand 5197 states and 12242 transitions. Second operand 6 states. [2018-12-08 09:07:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:56,206 INFO L93 Difference]: Finished difference Result 4941 states and 11426 transitions. [2018-12-08 09:07:56,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:07:56,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 09:07:56,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:56,210 INFO L225 Difference]: With dead ends: 4941 [2018-12-08 09:07:56,210 INFO L226 Difference]: Without dead ends: 4941 [2018-12-08 09:07:56,210 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 09:07:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2018-12-08 09:07:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 3289. [2018-12-08 09:07:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3289 states. [2018-12-08 09:07:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 7670 transitions. [2018-12-08 09:07:56,239 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 7670 transitions. Word has length 85 [2018-12-08 09:07:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:56,239 INFO L480 AbstractCegarLoop]: Abstraction has 3289 states and 7670 transitions. [2018-12-08 09:07:56,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 7670 transitions. [2018-12-08 09:07:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 09:07:56,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:56,241 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 09:07:56,241 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:56,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:56,241 INFO L82 PathProgramCache]: Analyzing trace with hash 358607745, now seen corresponding path program 1 times [2018-12-08 09:07:56,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:56,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:56,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:56,242 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:07:56,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:56,347 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 09:07:56,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:56,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 09:07:56,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 09:07:56,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 09:07:56,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 09:07:56,348 INFO L87 Difference]: Start difference. First operand 3289 states and 7670 transitions. Second operand 10 states. [2018-12-08 09:07:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:57,169 INFO L93 Difference]: Finished difference Result 6298 states and 14804 transitions. [2018-12-08 09:07:57,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 09:07:57,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2018-12-08 09:07:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:57,172 INFO L225 Difference]: With dead ends: 6298 [2018-12-08 09:07:57,173 INFO L226 Difference]: Without dead ends: 2478 [2018-12-08 09:07:57,173 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2018-12-08 09:07:57,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2018-12-08 09:07:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2478. [2018-12-08 09:07:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2018-12-08 09:07:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 5845 transitions. [2018-12-08 09:07:57,200 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 5845 transitions. Word has length 87 [2018-12-08 09:07:57,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:57,200 INFO L480 AbstractCegarLoop]: Abstraction has 2478 states and 5845 transitions. [2018-12-08 09:07:57,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 09:07:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 5845 transitions. [2018-12-08 09:07:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 09:07:57,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:57,202 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 09:07:57,202 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:57,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:57,203 INFO L82 PathProgramCache]: Analyzing trace with hash 792045687, now seen corresponding path program 2 times [2018-12-08 09:07:57,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:57,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:57,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:57,291 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 09:07:57,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:57,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 09:07:57,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 09:07:57,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 09:07:57,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 09:07:57,292 INFO L87 Difference]: Start difference. First operand 2478 states and 5845 transitions. Second operand 11 states. [2018-12-08 09:07:57,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:57,845 INFO L93 Difference]: Finished difference Result 4068 states and 9576 transitions. [2018-12-08 09:07:57,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 09:07:57,845 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 87 [2018-12-08 09:07:57,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:57,848 INFO L225 Difference]: With dead ends: 4068 [2018-12-08 09:07:57,848 INFO L226 Difference]: Without dead ends: 2719 [2018-12-08 09:07:57,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-12-08 09:07:57,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2018-12-08 09:07:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2513. [2018-12-08 09:07:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2018-12-08 09:07:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 5872 transitions. [2018-12-08 09:07:57,868 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 5872 transitions. Word has length 87 [2018-12-08 09:07:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:57,868 INFO L480 AbstractCegarLoop]: Abstraction has 2513 states and 5872 transitions. [2018-12-08 09:07:57,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 09:07:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 5872 transitions. [2018-12-08 09:07:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 09:07:57,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:57,870 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 09:07:57,870 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:57,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1869156796, now seen corresponding path program 1 times [2018-12-08 09:07:57,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:57,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:57,872 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:07:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:07:57,924 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 09:07:57,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:07:57,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:07:57,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:07:57,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:07:57,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:07:57,925 INFO L87 Difference]: Start difference. First operand 2513 states and 5872 transitions. Second operand 6 states. [2018-12-08 09:07:58,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:07:58,012 INFO L93 Difference]: Finished difference Result 2692 states and 6176 transitions. [2018-12-08 09:07:58,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:07:58,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-12-08 09:07:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:07:58,014 INFO L225 Difference]: With dead ends: 2692 [2018-12-08 09:07:58,014 INFO L226 Difference]: Without dead ends: 2634 [2018-12-08 09:07:58,014 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 09:07:58,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2018-12-08 09:07:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2280. [2018-12-08 09:07:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2280 states. [2018-12-08 09:07:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 5231 transitions. [2018-12-08 09:07:58,029 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 5231 transitions. Word has length 87 [2018-12-08 09:07:58,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:07:58,029 INFO L480 AbstractCegarLoop]: Abstraction has 2280 states and 5231 transitions. [2018-12-08 09:07:58,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:07:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 5231 transitions. [2018-12-08 09:07:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 09:07:58,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:07:58,030 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 09:07:58,031 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:07:58,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:07:58,031 INFO L82 PathProgramCache]: Analyzing trace with hash -208052547, now seen corresponding path program 3 times [2018-12-08 09:07:58,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:07:58,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:07:58,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:58,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:07:58,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:07:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:07:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:07:58,063 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 09:07:58,126 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 09:07:58,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:07:58 BasicIcfg [2018-12-08 09:07:58,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:07:58,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:07:58,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:07:58,127 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:07:58,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:07:46" (3/4) ... [2018-12-08 09:07:58,129 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 09:07:58,193 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4e84c4c-7089-4aee-a22a-6cd677d13e87/bin-2019/uautomizer/witness.graphml [2018-12-08 09:07:58,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:07:58,193 INFO L168 Benchmark]: Toolchain (without parser) took 12077.77 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.0 MB in the beginning and 834.7 MB in the end (delta: 121.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,194 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:07:58,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,195 INFO L168 Benchmark]: Boogie Preprocessor took 19.16 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 09:07:58,195 INFO L168 Benchmark]: RCFGBuilder took 323.54 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,195 INFO L168 Benchmark]: TraceAbstraction took 11290.00 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 969.4 MB). Free memory was 1.1 GB in the beginning and 858.1 MB in the end (delta: 203.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,195 INFO L168 Benchmark]: Witness Printer took 65.72 ms. Allocated memory is still 2.1 GB. Free memory was 858.1 MB in the beginning and 834.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:07:58,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.16 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 323.54 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11290.00 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 969.4 MB). Free memory was 1.1 GB in the beginning and 858.1 MB in the end (delta: 203.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 65.72 ms. Allocated memory is still 2.1 GB. Free memory was 858.1 MB in the beginning and 834.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 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$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L786] -1 pthread_t t845; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L787] FCALL, FORK -1 pthread_create(&t845, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] -1 pthread_t t846; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L789] FCALL, FORK -1 pthread_create(&t846, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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, 11.2s OverallTime, 22 OverallIterations, 1 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5596 SDtfs, 6293 SDslu, 11822 SDs, 0 SdLazy, 4758 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 49 SyntacticMatches, 14 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.0s 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: 3.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 52732 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1539 NumberOfCodeBlocks, 1539 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 256560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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...