./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix012_tso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix012_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/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 54a23cce3ec9181a48f7c50dd7775a17f971cb40 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:30:47,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:30:47,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:30:47,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:30:47,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:30:47,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:30:47,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:30:47,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:30:47,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:30:47,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:30:47,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:30:47,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:30:47,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:30:47,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:30:47,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:30:47,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:30:47,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:30:47,513 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:30:47,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:30:47,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:30:47,516 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:30:47,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:30:47,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:30:47,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:30:47,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:30:47,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:30:47,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:30:47,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:30:47,521 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:30:47,521 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:30:47,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:30:47,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:30:47,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:30:47,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:30:47,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:30:47,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:30:47,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:30:47,533 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:30:47,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:30:47,534 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:30:47,534 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:30:47,535 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:30:47,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:30:47,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:30:47,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:30:47,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:30:47,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:30:47,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:30:47,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:30:47,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:30:47,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:30:47,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:30:47,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:30:47,538 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:30:47,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:30:47,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:30:47,538 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_30fb741d-ebed-441f-ab22-7f92c3e38aa1/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 -> 54a23cce3ec9181a48f7c50dd7775a17f971cb40 [2018-12-02 17:30:47,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:30:47,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:30:47,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:30:47,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:30:47,572 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:30:47,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix012_tso.opt_false-unreach-call.i [2018-12-02 17:30:47,610 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/data/6a95b7ae4/9dfa9dc8330849b8a1a47bcd5a05057a/FLAGc69c6aa33 [2018-12-02 17:30:48,071 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:30:48,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/sv-benchmarks/c/pthread-wmm/mix012_tso.opt_false-unreach-call.i [2018-12-02 17:30:48,078 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/data/6a95b7ae4/9dfa9dc8330849b8a1a47bcd5a05057a/FLAGc69c6aa33 [2018-12-02 17:30:48,086 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/data/6a95b7ae4/9dfa9dc8330849b8a1a47bcd5a05057a [2018-12-02 17:30:48,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:30:48,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:30:48,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:30:48,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:30:48,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:30:48,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48, skipping insertion in model container [2018-12-02 17:30:48,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:30:48,119 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:30:48,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:30:48,312 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:30:48,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:30:48,434 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:30:48,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48 WrapperNode [2018-12-02 17:30:48,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:30:48,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:30:48,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:30:48,435 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:30:48,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:30:48,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:30:48,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:30:48,474 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:30:48,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... [2018-12-02 17:30:48,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:30:48,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:30:48,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:30:48,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:30:48,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/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 [2018-12-02 17:30:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:30:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:30:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 17:30:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:30:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 17:30:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 17:30:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 17:30:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 17:30:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 17:30:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:30:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:30:48,526 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 17:30:48,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:30:48,865 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 17:30:48,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:30:48 BoogieIcfgContainer [2018-12-02 17:30:48,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:30:48,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:30:48,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:30:48,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:30:48,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:30:48" (1/3) ... [2018-12-02 17:30:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:30:48, skipping insertion in model container [2018-12-02 17:30:48,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:30:48" (2/3) ... [2018-12-02 17:30:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:30:48, skipping insertion in model container [2018-12-02 17:30:48,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:30:48" (3/3) ... [2018-12-02 17:30:48,870 INFO L112 eAbstractionObserver]: Analyzing ICFG mix012_tso.opt_false-unreach-call.i [2018-12-02 17:30:48,902 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,902 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,902 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,902 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,903 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,904 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,905 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,906 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,907 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,908 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,915 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,916 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,917 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,918 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,918 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,918 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,918 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,918 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,919 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,920 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,921 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,922 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,923 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,924 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,925 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,926 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,927 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,928 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,930 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:30:48,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 17:30:48,937 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:30:48,943 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 17:30:48,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 17:30:48,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:30:48,967 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:30:48,967 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:30:48,968 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:30:48,968 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:30:48,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:30:48,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:30:48,968 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:30:48,968 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:30:48,977 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173places, 226 transitions [2018-12-02 17:30:54,614 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 83127 states. [2018-12-02 17:30:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 83127 states. [2018-12-02 17:30:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 17:30:54,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:30:54,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:30:54,624 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:30:54,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:30:54,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1968553448, now seen corresponding path program 1 times [2018-12-02 17:30:54,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:30:54,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:30:54,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:54,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:30:54,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:30:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:30:54,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:30:54,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:30:54,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:30:54,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:30:54,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:30:54,804 INFO L87 Difference]: Start difference. First operand 83127 states. Second operand 4 states. [2018-12-02 17:30:55,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:30:55,642 INFO L93 Difference]: Finished difference Result 150583 states and 603160 transitions. [2018-12-02 17:30:55,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:30:55,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-12-02 17:30:55,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:30:56,002 INFO L225 Difference]: With dead ends: 150583 [2018-12-02 17:30:56,002 INFO L226 Difference]: Without dead ends: 105839 [2018-12-02 17:30:56,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:30:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105839 states. [2018-12-02 17:30:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105839 to 61235. [2018-12-02 17:30:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61235 states. [2018-12-02 17:30:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61235 states to 61235 states and 248290 transitions. [2018-12-02 17:30:58,251 INFO L78 Accepts]: Start accepts. Automaton has 61235 states and 248290 transitions. Word has length 38 [2018-12-02 17:30:58,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:30:58,251 INFO L480 AbstractCegarLoop]: Abstraction has 61235 states and 248290 transitions. [2018-12-02 17:30:58,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:30:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 61235 states and 248290 transitions. [2018-12-02 17:30:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:30:58,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:30:58,258 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:30:58,259 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:30:58,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:30:58,259 INFO L82 PathProgramCache]: Analyzing trace with hash 40051689, now seen corresponding path program 1 times [2018-12-02 17:30:58,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:30:58,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:30:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:58,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:30:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:30:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:30:58,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:30:58,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:30:58,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:30:58,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:30:58,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:30:58,305 INFO L87 Difference]: Start difference. First operand 61235 states and 248290 transitions. Second operand 4 states. [2018-12-02 17:30:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:30:58,388 INFO L93 Difference]: Finished difference Result 14309 states and 48363 transitions. [2018-12-02 17:30:58,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:30:58,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2018-12-02 17:30:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:30:58,405 INFO L225 Difference]: With dead ends: 14309 [2018-12-02 17:30:58,405 INFO L226 Difference]: Without dead ends: 11489 [2018-12-02 17:30:58,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:30:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11489 states. [2018-12-02 17:30:58,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11489 to 11489. [2018-12-02 17:30:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11489 states. [2018-12-02 17:30:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11489 states to 11489 states and 37854 transitions. [2018-12-02 17:30:58,537 INFO L78 Accepts]: Start accepts. Automaton has 11489 states and 37854 transitions. Word has length 46 [2018-12-02 17:30:58,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:30:58,537 INFO L480 AbstractCegarLoop]: Abstraction has 11489 states and 37854 transitions. [2018-12-02 17:30:58,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:30:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11489 states and 37854 transitions. [2018-12-02 17:30:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:30:58,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:30:58,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:30:58,539 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:30:58,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:30:58,539 INFO L82 PathProgramCache]: Analyzing trace with hash -709413427, now seen corresponding path program 1 times [2018-12-02 17:30:58,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:30:58,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:30:58,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:58,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:30:58,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:30:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:30:58,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:30:58,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:30:58,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:30:58,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:30:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:30:58,585 INFO L87 Difference]: Start difference. First operand 11489 states and 37854 transitions. Second operand 5 states. [2018-12-02 17:30:58,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:30:58,868 INFO L93 Difference]: Finished difference Result 23359 states and 75855 transitions. [2018-12-02 17:30:58,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:30:58,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-02 17:30:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:30:58,900 INFO L225 Difference]: With dead ends: 23359 [2018-12-02 17:30:58,900 INFO L226 Difference]: Without dead ends: 23284 [2018-12-02 17:30:58,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:30:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23284 states. [2018-12-02 17:30:59,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23284 to 15416. [2018-12-02 17:30:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15416 states. [2018-12-02 17:30:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 49309 transitions. [2018-12-02 17:30:59,220 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 49309 transitions. Word has length 47 [2018-12-02 17:30:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:30:59,221 INFO L480 AbstractCegarLoop]: Abstraction has 15416 states and 49309 transitions. [2018-12-02 17:30:59,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:30:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 49309 transitions. [2018-12-02 17:30:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:30:59,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:30:59,222 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:30:59,222 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:30:59,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:30:59,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2036076211, now seen corresponding path program 1 times [2018-12-02 17:30:59,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:30:59,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:30:59,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:59,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:30:59,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:30:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:30:59,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:30:59,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:30:59,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:30:59,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:30:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:30:59,251 INFO L87 Difference]: Start difference. First operand 15416 states and 49309 transitions. Second operand 3 states. [2018-12-02 17:30:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:30:59,351 INFO L93 Difference]: Finished difference Result 28676 states and 90547 transitions. [2018-12-02 17:30:59,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:30:59,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-12-02 17:30:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:30:59,389 INFO L225 Difference]: With dead ends: 28676 [2018-12-02 17:30:59,389 INFO L226 Difference]: Without dead ends: 28672 [2018-12-02 17:30:59,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:30:59,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28672 states. [2018-12-02 17:30:59,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28672 to 24151. [2018-12-02 17:30:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24151 states. [2018-12-02 17:30:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24151 states to 24151 states and 76315 transitions. [2018-12-02 17:30:59,671 INFO L78 Accepts]: Start accepts. Automaton has 24151 states and 76315 transitions. Word has length 49 [2018-12-02 17:30:59,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:30:59,671 INFO L480 AbstractCegarLoop]: Abstraction has 24151 states and 76315 transitions. [2018-12-02 17:30:59,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:30:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 24151 states and 76315 transitions. [2018-12-02 17:30:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:30:59,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:30:59,673 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:30:59,674 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:30:59,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:30:59,674 INFO L82 PathProgramCache]: Analyzing trace with hash -762942338, now seen corresponding path program 1 times [2018-12-02 17:30:59,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:30:59,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:30:59,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:59,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:30:59,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:30:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:30:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:30:59,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:30:59,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:30:59,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:30:59,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:30:59,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:30:59,738 INFO L87 Difference]: Start difference. First operand 24151 states and 76315 transitions. Second operand 6 states. [2018-12-02 17:31:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:00,165 INFO L93 Difference]: Finished difference Result 33837 states and 105313 transitions. [2018-12-02 17:31:00,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:31:00,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-02 17:31:00,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:00,213 INFO L225 Difference]: With dead ends: 33837 [2018-12-02 17:31:00,214 INFO L226 Difference]: Without dead ends: 33740 [2018-12-02 17:31:00,214 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 [2018-12-02 17:31:00,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33740 states. [2018-12-02 17:31:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33740 to 23972. [2018-12-02 17:31:00,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23972 states. [2018-12-02 17:31:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23972 states to 23972 states and 75821 transitions. [2018-12-02 17:31:00,519 INFO L78 Accepts]: Start accepts. Automaton has 23972 states and 75821 transitions. Word has length 53 [2018-12-02 17:31:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:00,519 INFO L480 AbstractCegarLoop]: Abstraction has 23972 states and 75821 transitions. [2018-12-02 17:31:00,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:31:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 23972 states and 75821 transitions. [2018-12-02 17:31:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:31:00,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:00,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:00,525 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:00,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:00,525 INFO L82 PathProgramCache]: Analyzing trace with hash -782943030, now seen corresponding path program 1 times [2018-12-02 17:31:00,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:00,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:00,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:00,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:00,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:00,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:00,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:31:00,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:31:00,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:31:00,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:31:00,581 INFO L87 Difference]: Start difference. First operand 23972 states and 75821 transitions. Second operand 4 states. [2018-12-02 17:31:00,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:00,770 INFO L93 Difference]: Finished difference Result 30736 states and 97931 transitions. [2018-12-02 17:31:00,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:31:00,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-12-02 17:31:00,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:00,811 INFO L225 Difference]: With dead ends: 30736 [2018-12-02 17:31:00,811 INFO L226 Difference]: Without dead ends: 30736 [2018-12-02 17:31:00,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:31:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30736 states. [2018-12-02 17:31:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30736 to 27608. [2018-12-02 17:31:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27608 states. [2018-12-02 17:31:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27608 states to 27608 states and 87449 transitions. [2018-12-02 17:31:01,287 INFO L78 Accepts]: Start accepts. Automaton has 27608 states and 87449 transitions. Word has length 63 [2018-12-02 17:31:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:01,288 INFO L480 AbstractCegarLoop]: Abstraction has 27608 states and 87449 transitions. [2018-12-02 17:31:01,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:31:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27608 states and 87449 transitions. [2018-12-02 17:31:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:31:01,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:01,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:01,293 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:01,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:01,294 INFO L82 PathProgramCache]: Analyzing trace with hash 959867305, now seen corresponding path program 1 times [2018-12-02 17:31:01,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:01,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:01,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:01,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:01,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:31:01,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:31:01,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:31:01,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:31:01,347 INFO L87 Difference]: Start difference. First operand 27608 states and 87449 transitions. Second operand 6 states. [2018-12-02 17:31:02,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:02,073 INFO L93 Difference]: Finished difference Result 65701 states and 204770 transitions. [2018-12-02 17:31:02,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 17:31:02,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 17:31:02,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:02,161 INFO L225 Difference]: With dead ends: 65701 [2018-12-02 17:31:02,161 INFO L226 Difference]: Without dead ends: 65637 [2018-12-02 17:31:02,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:31:02,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65637 states. [2018-12-02 17:31:02,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65637 to 39276. [2018-12-02 17:31:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39276 states. [2018-12-02 17:31:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39276 states to 39276 states and 121530 transitions. [2018-12-02 17:31:02,742 INFO L78 Accepts]: Start accepts. Automaton has 39276 states and 121530 transitions. Word has length 63 [2018-12-02 17:31:02,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:02,742 INFO L480 AbstractCegarLoop]: Abstraction has 39276 states and 121530 transitions. [2018-12-02 17:31:02,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:31:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 39276 states and 121530 transitions. [2018-12-02 17:31:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 17:31:02,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:02,753 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] [2018-12-02 17:31:02,753 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:02,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:02,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1380720218, now seen corresponding path program 1 times [2018-12-02 17:31:02,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:02,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:02,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:02,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:02,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:02,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:02,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:31:02,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:31:02,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:31:02,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:31:02,777 INFO L87 Difference]: Start difference. First operand 39276 states and 121530 transitions. Second operand 3 states. [2018-12-02 17:31:02,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:02,916 INFO L93 Difference]: Finished difference Result 44929 states and 137015 transitions. [2018-12-02 17:31:02,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:31:02,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-02 17:31:02,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:02,974 INFO L225 Difference]: With dead ends: 44929 [2018-12-02 17:31:02,974 INFO L226 Difference]: Without dead ends: 44929 [2018-12-02 17:31:02,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:31:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44929 states. [2018-12-02 17:31:03,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44929 to 38916. [2018-12-02 17:31:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38916 states. [2018-12-02 17:31:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38916 states to 38916 states and 117880 transitions. [2018-12-02 17:31:03,531 INFO L78 Accepts]: Start accepts. Automaton has 38916 states and 117880 transitions. Word has length 69 [2018-12-02 17:31:03,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:03,531 INFO L480 AbstractCegarLoop]: Abstraction has 38916 states and 117880 transitions. [2018-12-02 17:31:03,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:31:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 38916 states and 117880 transitions. [2018-12-02 17:31:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:31:03,541 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:03,541 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:03,542 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:03,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:03,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1047400472, now seen corresponding path program 1 times [2018-12-02 17:31:03,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:03,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:03,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:03,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:03,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:03,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:03,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:03,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:03,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:03,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:03,605 INFO L87 Difference]: Start difference. First operand 38916 states and 117880 transitions. Second operand 7 states. [2018-12-02 17:31:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:04,386 INFO L93 Difference]: Finished difference Result 56281 states and 170058 transitions. [2018-12-02 17:31:04,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:31:04,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 17:31:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:04,456 INFO L225 Difference]: With dead ends: 56281 [2018-12-02 17:31:04,456 INFO L226 Difference]: Without dead ends: 55977 [2018-12-02 17:31:04,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:31:04,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55977 states. [2018-12-02 17:31:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55977 to 47672. [2018-12-02 17:31:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47672 states. [2018-12-02 17:31:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47672 states to 47672 states and 144131 transitions. [2018-12-02 17:31:05,021 INFO L78 Accepts]: Start accepts. Automaton has 47672 states and 144131 transitions. Word has length 70 [2018-12-02 17:31:05,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:05,022 INFO L480 AbstractCegarLoop]: Abstraction has 47672 states and 144131 transitions. [2018-12-02 17:31:05,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 47672 states and 144131 transitions. [2018-12-02 17:31:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:31:05,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:05,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:05,035 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:05,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:05,036 INFO L82 PathProgramCache]: Analyzing trace with hash -749550887, now seen corresponding path program 1 times [2018-12-02 17:31:05,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:05,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:05,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:05,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:05,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:05,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:05,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:31:05,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:31:05,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:31:05,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:05,117 INFO L87 Difference]: Start difference. First operand 47672 states and 144131 transitions. Second operand 8 states. [2018-12-02 17:31:06,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:06,481 INFO L93 Difference]: Finished difference Result 57838 states and 172357 transitions. [2018-12-02 17:31:06,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:31:06,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2018-12-02 17:31:06,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:06,557 INFO L225 Difference]: With dead ends: 57838 [2018-12-02 17:31:06,557 INFO L226 Difference]: Without dead ends: 57838 [2018-12-02 17:31:06,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:31:06,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57838 states. [2018-12-02 17:31:07,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57838 to 50532. [2018-12-02 17:31:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50532 states. [2018-12-02 17:31:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50532 states to 50532 states and 152080 transitions. [2018-12-02 17:31:07,340 INFO L78 Accepts]: Start accepts. Automaton has 50532 states and 152080 transitions. Word has length 70 [2018-12-02 17:31:07,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:07,340 INFO L480 AbstractCegarLoop]: Abstraction has 50532 states and 152080 transitions. [2018-12-02 17:31:07,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:31:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 50532 states and 152080 transitions. [2018-12-02 17:31:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:31:07,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:07,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:07,354 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:07,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:07,354 INFO L82 PathProgramCache]: Analyzing trace with hash 137952794, now seen corresponding path program 1 times [2018-12-02 17:31:07,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:07,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:07,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:07,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:07,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:07,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:31:07,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:31:07,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:31:07,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:31:07,387 INFO L87 Difference]: Start difference. First operand 50532 states and 152080 transitions. Second operand 5 states. [2018-12-02 17:31:07,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:07,434 INFO L93 Difference]: Finished difference Result 13236 states and 33132 transitions. [2018-12-02 17:31:07,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:31:07,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 17:31:07,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:07,444 INFO L225 Difference]: With dead ends: 13236 [2018-12-02 17:31:07,444 INFO L226 Difference]: Without dead ends: 11116 [2018-12-02 17:31:07,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2018-12-02 17:31:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 8545. [2018-12-02 17:31:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8545 states. [2018-12-02 17:31:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 21304 transitions. [2018-12-02 17:31:07,526 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 21304 transitions. Word has length 70 [2018-12-02 17:31:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:07,527 INFO L480 AbstractCegarLoop]: Abstraction has 8545 states and 21304 transitions. [2018-12-02 17:31:07,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:31:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 21304 transitions. [2018-12-02 17:31:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:07,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:07,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:07,535 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:07,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:07,535 INFO L82 PathProgramCache]: Analyzing trace with hash 837109831, now seen corresponding path program 1 times [2018-12-02 17:31:07,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:07,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:07,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:07,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:07,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:07,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:31:07,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:31:07,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:31:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:31:07,577 INFO L87 Difference]: Start difference. First operand 8545 states and 21304 transitions. Second operand 4 states. [2018-12-02 17:31:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:07,704 INFO L93 Difference]: Finished difference Result 9960 states and 24428 transitions. [2018-12-02 17:31:07,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:31:07,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-02 17:31:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:07,711 INFO L225 Difference]: With dead ends: 9960 [2018-12-02 17:31:07,711 INFO L226 Difference]: Without dead ends: 9960 [2018-12-02 17:31:07,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:31:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9960 states. [2018-12-02 17:31:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9960 to 9441. [2018-12-02 17:31:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-02 17:31:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 23271 transitions. [2018-12-02 17:31:07,784 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 23271 transitions. Word has length 98 [2018-12-02 17:31:07,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:07,784 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 23271 transitions. [2018-12-02 17:31:07,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:31:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 23271 transitions. [2018-12-02 17:31:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:07,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:07,791 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:07,792 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:07,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1187909768, now seen corresponding path program 1 times [2018-12-02 17:31:07,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:07,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:07,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:07,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:07,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:07,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:07,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:07,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:07,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:07,885 INFO L87 Difference]: Start difference. First operand 9441 states and 23271 transitions. Second operand 7 states. [2018-12-02 17:31:08,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:08,095 INFO L93 Difference]: Finished difference Result 14689 states and 34927 transitions. [2018-12-02 17:31:08,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:31:08,095 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2018-12-02 17:31:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:08,105 INFO L225 Difference]: With dead ends: 14689 [2018-12-02 17:31:08,105 INFO L226 Difference]: Without dead ends: 14579 [2018-12-02 17:31:08,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:31:08,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14579 states. [2018-12-02 17:31:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14579 to 12030. [2018-12-02 17:31:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12030 states. [2018-12-02 17:31:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12030 states to 12030 states and 28962 transitions. [2018-12-02 17:31:08,210 INFO L78 Accepts]: Start accepts. Automaton has 12030 states and 28962 transitions. Word has length 98 [2018-12-02 17:31:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:08,210 INFO L480 AbstractCegarLoop]: Abstraction has 12030 states and 28962 transitions. [2018-12-02 17:31:08,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12030 states and 28962 transitions. [2018-12-02 17:31:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:08,219 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:08,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:08,220 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:08,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:08,220 INFO L82 PathProgramCache]: Analyzing trace with hash 954076687, now seen corresponding path program 2 times [2018-12-02 17:31:08,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:08,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:08,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:08,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:08,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:08,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:08,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:31:08,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:31:08,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:31:08,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:31:08,275 INFO L87 Difference]: Start difference. First operand 12030 states and 28962 transitions. Second operand 5 states. [2018-12-02 17:31:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:08,490 INFO L93 Difference]: Finished difference Result 14443 states and 34139 transitions. [2018-12-02 17:31:08,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:31:08,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2018-12-02 17:31:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:08,501 INFO L225 Difference]: With dead ends: 14443 [2018-12-02 17:31:08,501 INFO L226 Difference]: Without dead ends: 14407 [2018-12-02 17:31:08,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:08,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14407 states. [2018-12-02 17:31:08,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14407 to 12725. [2018-12-02 17:31:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12725 states. [2018-12-02 17:31:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 30402 transitions. [2018-12-02 17:31:08,611 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 30402 transitions. Word has length 98 [2018-12-02 17:31:08,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:08,611 INFO L480 AbstractCegarLoop]: Abstraction has 12725 states and 30402 transitions. [2018-12-02 17:31:08,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:31:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 30402 transitions. [2018-12-02 17:31:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:08,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:08,622 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:08,622 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:08,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:08,622 INFO L82 PathProgramCache]: Analyzing trace with hash -336910615, now seen corresponding path program 3 times [2018-12-02 17:31:08,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:08,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:08,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:08,624 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:08,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:08,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:08,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:31:08,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:31:08,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:31:08,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:08,701 INFO L87 Difference]: Start difference. First operand 12725 states and 30402 transitions. Second operand 8 states. [2018-12-02 17:31:09,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:09,116 INFO L93 Difference]: Finished difference Result 17040 states and 40778 transitions. [2018-12-02 17:31:09,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 17:31:09,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-02 17:31:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:09,127 INFO L225 Difference]: With dead ends: 17040 [2018-12-02 17:31:09,128 INFO L226 Difference]: Without dead ends: 17008 [2018-12-02 17:31:09,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:31:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17008 states. [2018-12-02 17:31:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17008 to 13983. [2018-12-02 17:31:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13983 states. [2018-12-02 17:31:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13983 states to 13983 states and 33535 transitions. [2018-12-02 17:31:09,250 INFO L78 Accepts]: Start accepts. Automaton has 13983 states and 33535 transitions. Word has length 98 [2018-12-02 17:31:09,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:09,251 INFO L480 AbstractCegarLoop]: Abstraction has 13983 states and 33535 transitions. [2018-12-02 17:31:09,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:31:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13983 states and 33535 transitions. [2018-12-02 17:31:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:09,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:09,260 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:09,260 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:09,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:09,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2133861974, now seen corresponding path program 1 times [2018-12-02 17:31:09,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:09,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:09,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:09,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:09,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:09,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:09,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:09,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:09,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:09,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:09,322 INFO L87 Difference]: Start difference. First operand 13983 states and 33535 transitions. Second operand 7 states. [2018-12-02 17:31:09,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:09,673 INFO L93 Difference]: Finished difference Result 19175 states and 46298 transitions. [2018-12-02 17:31:09,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:31:09,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2018-12-02 17:31:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:09,687 INFO L225 Difference]: With dead ends: 19175 [2018-12-02 17:31:09,687 INFO L226 Difference]: Without dead ends: 19175 [2018-12-02 17:31:09,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:31:09,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19175 states. [2018-12-02 17:31:09,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19175 to 14464. [2018-12-02 17:31:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14464 states. [2018-12-02 17:31:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14464 states to 14464 states and 34818 transitions. [2018-12-02 17:31:09,831 INFO L78 Accepts]: Start accepts. Automaton has 14464 states and 34818 transitions. Word has length 98 [2018-12-02 17:31:09,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:09,831 INFO L480 AbstractCegarLoop]: Abstraction has 14464 states and 34818 transitions. [2018-12-02 17:31:09,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 14464 states and 34818 transitions. [2018-12-02 17:31:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:09,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:09,842 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:09,843 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:09,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:09,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1246358293, now seen corresponding path program 1 times [2018-12-02 17:31:09,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:09,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:09,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:09,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:09,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:09,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:09,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:09,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:09,920 INFO L87 Difference]: Start difference. First operand 14464 states and 34818 transitions. Second operand 7 states. [2018-12-02 17:31:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:10,056 INFO L93 Difference]: Finished difference Result 17011 states and 41055 transitions. [2018-12-02 17:31:10,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:31:10,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2018-12-02 17:31:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:10,069 INFO L225 Difference]: With dead ends: 17011 [2018-12-02 17:31:10,069 INFO L226 Difference]: Without dead ends: 17011 [2018-12-02 17:31:10,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:10,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17011 states. [2018-12-02 17:31:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17011 to 14751. [2018-12-02 17:31:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14751 states. [2018-12-02 17:31:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14751 states to 14751 states and 35471 transitions. [2018-12-02 17:31:10,201 INFO L78 Accepts]: Start accepts. Automaton has 14751 states and 35471 transitions. Word has length 98 [2018-12-02 17:31:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:10,201 INFO L480 AbstractCegarLoop]: Abstraction has 14751 states and 35471 transitions. [2018-12-02 17:31:10,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14751 states and 35471 transitions. [2018-12-02 17:31:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 17:31:10,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:10,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:10,213 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:10,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:10,213 INFO L82 PathProgramCache]: Analyzing trace with hash 123049033, now seen corresponding path program 1 times [2018-12-02 17:31:10,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:10,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:10,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:10,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:10,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:10,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:10,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:31:10,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:31:10,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:31:10,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:31:10,286 INFO L87 Difference]: Start difference. First operand 14751 states and 35471 transitions. Second operand 6 states. [2018-12-02 17:31:10,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:10,406 INFO L93 Difference]: Finished difference Result 14479 states and 34519 transitions. [2018-12-02 17:31:10,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:31:10,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-02 17:31:10,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:10,416 INFO L225 Difference]: With dead ends: 14479 [2018-12-02 17:31:10,416 INFO L226 Difference]: Without dead ends: 14479 [2018-12-02 17:31:10,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14479 states. [2018-12-02 17:31:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14479 to 11990. [2018-12-02 17:31:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11990 states. [2018-12-02 17:31:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11990 states to 11990 states and 28718 transitions. [2018-12-02 17:31:10,536 INFO L78 Accepts]: Start accepts. Automaton has 11990 states and 28718 transitions. Word has length 98 [2018-12-02 17:31:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:10,536 INFO L480 AbstractCegarLoop]: Abstraction has 11990 states and 28718 transitions. [2018-12-02 17:31:10,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:31:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11990 states and 28718 transitions. [2018-12-02 17:31:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:10,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:10,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:10,544 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:10,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash 657860306, now seen corresponding path program 1 times [2018-12-02 17:31:10,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:10,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:10,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:10,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:10,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:10,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:10,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:10,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:10,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:10,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:10,612 INFO L87 Difference]: Start difference. First operand 11990 states and 28718 transitions. Second operand 7 states. [2018-12-02 17:31:10,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:10,892 INFO L93 Difference]: Finished difference Result 15758 states and 36141 transitions. [2018-12-02 17:31:10,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:31:10,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-12-02 17:31:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:10,903 INFO L225 Difference]: With dead ends: 15758 [2018-12-02 17:31:10,903 INFO L226 Difference]: Without dead ends: 15758 [2018-12-02 17:31:10,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:31:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15758 states. [2018-12-02 17:31:11,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15758 to 13186. [2018-12-02 17:31:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13186 states. [2018-12-02 17:31:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13186 states to 13186 states and 30757 transitions. [2018-12-02 17:31:11,026 INFO L78 Accepts]: Start accepts. Automaton has 13186 states and 30757 transitions. Word has length 100 [2018-12-02 17:31:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:11,027 INFO L480 AbstractCegarLoop]: Abstraction has 13186 states and 30757 transitions. [2018-12-02 17:31:11,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 13186 states and 30757 transitions. [2018-12-02 17:31:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:11,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:11,037 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:11,038 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:11,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:11,038 INFO L82 PathProgramCache]: Analyzing trace with hash 869211219, now seen corresponding path program 1 times [2018-12-02 17:31:11,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:11,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:11,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:11,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:11,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:11,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:31:11,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:31:11,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:31:11,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:11,100 INFO L87 Difference]: Start difference. First operand 13186 states and 30757 transitions. Second operand 7 states. [2018-12-02 17:31:11,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:11,333 INFO L93 Difference]: Finished difference Result 13443 states and 31372 transitions. [2018-12-02 17:31:11,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:31:11,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-12-02 17:31:11,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:11,343 INFO L225 Difference]: With dead ends: 13443 [2018-12-02 17:31:11,344 INFO L226 Difference]: Without dead ends: 13443 [2018-12-02 17:31:11,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:31:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13443 states. [2018-12-02 17:31:11,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13443 to 13092. [2018-12-02 17:31:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13092 states. [2018-12-02 17:31:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13092 states to 13092 states and 30567 transitions. [2018-12-02 17:31:11,457 INFO L78 Accepts]: Start accepts. Automaton has 13092 states and 30567 transitions. Word has length 100 [2018-12-02 17:31:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:11,457 INFO L480 AbstractCegarLoop]: Abstraction has 13092 states and 30567 transitions. [2018-12-02 17:31:11,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:31:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 13092 states and 30567 transitions. [2018-12-02 17:31:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:11,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:11,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:11,467 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:11,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash -2145990124, now seen corresponding path program 1 times [2018-12-02 17:31:11,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:11,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:11,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:11,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:11,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:11,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:31:11,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:31:11,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:31:11,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:11,545 INFO L87 Difference]: Start difference. First operand 13092 states and 30567 transitions. Second operand 8 states. [2018-12-02 17:31:11,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:11,819 INFO L93 Difference]: Finished difference Result 14466 states and 33468 transitions. [2018-12-02 17:31:11,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 17:31:11,820 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-12-02 17:31:11,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:11,829 INFO L225 Difference]: With dead ends: 14466 [2018-12-02 17:31:11,829 INFO L226 Difference]: Without dead ends: 14466 [2018-12-02 17:31:11,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-12-02 17:31:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14466 states. [2018-12-02 17:31:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14466 to 13721. [2018-12-02 17:31:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13721 states. [2018-12-02 17:31:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13721 states to 13721 states and 31949 transitions. [2018-12-02 17:31:11,944 INFO L78 Accepts]: Start accepts. Automaton has 13721 states and 31949 transitions. Word has length 100 [2018-12-02 17:31:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:11,944 INFO L480 AbstractCegarLoop]: Abstraction has 13721 states and 31949 transitions. [2018-12-02 17:31:11,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:31:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 13721 states and 31949 transitions. [2018-12-02 17:31:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:11,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:11,954 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:11,954 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:11,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:11,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1258486443, now seen corresponding path program 1 times [2018-12-02 17:31:11,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:11,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:11,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:11,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:11,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:11,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:31:11,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:31:11,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:31:11,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:31:11,979 INFO L87 Difference]: Start difference. First operand 13721 states and 31949 transitions. Second operand 3 states. [2018-12-02 17:31:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:12,021 INFO L93 Difference]: Finished difference Result 16704 states and 38915 transitions. [2018-12-02 17:31:12,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:31:12,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-12-02 17:31:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:12,033 INFO L225 Difference]: With dead ends: 16704 [2018-12-02 17:31:12,033 INFO L226 Difference]: Without dead ends: 16704 [2018-12-02 17:31:12,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:31:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16704 states. [2018-12-02 17:31:12,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16704 to 16639. [2018-12-02 17:31:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16639 states. [2018-12-02 17:31:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16639 states to 16639 states and 38774 transitions. [2018-12-02 17:31:12,159 INFO L78 Accepts]: Start accepts. Automaton has 16639 states and 38774 transitions. Word has length 100 [2018-12-02 17:31:12,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:12,159 INFO L480 AbstractCegarLoop]: Abstraction has 16639 states and 38774 transitions. [2018-12-02 17:31:12,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:31:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 16639 states and 38774 transitions. [2018-12-02 17:31:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:12,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:12,171 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:12,171 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:12,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1047135530, now seen corresponding path program 1 times [2018-12-02 17:31:12,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:12,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:12,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:12,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:12,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:12,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:31:12,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:31:12,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:31:12,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:31:12,209 INFO L87 Difference]: Start difference. First operand 16639 states and 38774 transitions. Second operand 4 states. [2018-12-02 17:31:12,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:12,334 INFO L93 Difference]: Finished difference Result 17247 states and 40127 transitions. [2018-12-02 17:31:12,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:31:12,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-12-02 17:31:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:12,346 INFO L225 Difference]: With dead ends: 17247 [2018-12-02 17:31:12,346 INFO L226 Difference]: Without dead ends: 17247 [2018-12-02 17:31:12,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:31:12,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17247 states. [2018-12-02 17:31:12,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17247 to 16232. [2018-12-02 17:31:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16232 states. [2018-12-02 17:31:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16232 states to 16232 states and 37875 transitions. [2018-12-02 17:31:12,472 INFO L78 Accepts]: Start accepts. Automaton has 16232 states and 37875 transitions. Word has length 100 [2018-12-02 17:31:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:12,472 INFO L480 AbstractCegarLoop]: Abstraction has 16232 states and 37875 transitions. [2018-12-02 17:31:12,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:31:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 16232 states and 37875 transitions. [2018-12-02 17:31:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:12,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:12,483 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:12,483 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:12,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:12,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1341248604, now seen corresponding path program 2 times [2018-12-02 17:31:12,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:12,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:12,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:12,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:12,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:12,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:31:12,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:31:12,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:31:12,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:31:12,529 INFO L87 Difference]: Start difference. First operand 16232 states and 37875 transitions. Second operand 5 states. [2018-12-02 17:31:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:12,719 INFO L93 Difference]: Finished difference Result 17403 states and 40371 transitions. [2018-12-02 17:31:12,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:31:12,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-12-02 17:31:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:12,733 INFO L225 Difference]: With dead ends: 17403 [2018-12-02 17:31:12,733 INFO L226 Difference]: Without dead ends: 17403 [2018-12-02 17:31:12,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:31:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17403 states. [2018-12-02 17:31:12,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17403 to 16195. [2018-12-02 17:31:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16195 states. [2018-12-02 17:31:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16195 states to 16195 states and 37727 transitions. [2018-12-02 17:31:12,864 INFO L78 Accepts]: Start accepts. Automaton has 16195 states and 37727 transitions. Word has length 100 [2018-12-02 17:31:12,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:12,864 INFO L480 AbstractCegarLoop]: Abstraction has 16195 states and 37727 transitions. [2018-12-02 17:31:12,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:31:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 16195 states and 37727 transitions. [2018-12-02 17:31:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:12,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:12,876 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:12,876 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:12,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:12,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1375165142, now seen corresponding path program 3 times [2018-12-02 17:31:12,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:12,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:12,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,877 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:12,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:12,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:12,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:31:12,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:31:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:31:12,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:31:12,925 INFO L87 Difference]: Start difference. First operand 16195 states and 37727 transitions. Second operand 6 states. [2018-12-02 17:31:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:13,172 INFO L93 Difference]: Finished difference Result 19238 states and 44650 transitions. [2018-12-02 17:31:13,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:31:13,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-12-02 17:31:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:13,185 INFO L225 Difference]: With dead ends: 19238 [2018-12-02 17:31:13,185 INFO L226 Difference]: Without dead ends: 19238 [2018-12-02 17:31:13,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:31:13,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19238 states. [2018-12-02 17:31:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19238 to 16225. [2018-12-02 17:31:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16225 states. [2018-12-02 17:31:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16225 states to 16225 states and 37790 transitions. [2018-12-02 17:31:13,325 INFO L78 Accepts]: Start accepts. Automaton has 16225 states and 37790 transitions. Word has length 100 [2018-12-02 17:31:13,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:13,325 INFO L480 AbstractCegarLoop]: Abstraction has 16225 states and 37790 transitions. [2018-12-02 17:31:13,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:31:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16225 states and 37790 transitions. [2018-12-02 17:31:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 17:31:13,337 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:13,337 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:13,337 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:13,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:13,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1182685185, now seen corresponding path program 2 times [2018-12-02 17:31:13,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:13,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:13,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:13,338 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:13,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:13,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:13,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:13,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:31:13,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:31:13,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:31:13,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:31:13,369 INFO L87 Difference]: Start difference. First operand 16225 states and 37790 transitions. Second operand 5 states. [2018-12-02 17:31:13,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:13,598 INFO L93 Difference]: Finished difference Result 17568 states and 40553 transitions. [2018-12-02 17:31:13,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:31:13,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-12-02 17:31:13,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:13,616 INFO L225 Difference]: With dead ends: 17568 [2018-12-02 17:31:13,616 INFO L226 Difference]: Without dead ends: 17568 [2018-12-02 17:31:13,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:31:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17568 states. [2018-12-02 17:31:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17568 to 16449. [2018-12-02 17:31:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16449 states. [2018-12-02 17:31:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16449 states to 16449 states and 38253 transitions. [2018-12-02 17:31:13,749 INFO L78 Accepts]: Start accepts. Automaton has 16449 states and 38253 transitions. Word has length 100 [2018-12-02 17:31:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:13,749 INFO L480 AbstractCegarLoop]: Abstraction has 16449 states and 38253 transitions. [2018-12-02 17:31:13,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:31:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 16449 states and 38253 transitions. [2018-12-02 17:31:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:31:13,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:13,763 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:13,764 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:13,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:13,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1520385125, now seen corresponding path program 1 times [2018-12-02 17:31:13,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:13,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:13,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:13,765 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:13,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:13,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:13,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 17:31:13,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 17:31:13,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 17:31:13,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:31:13,907 INFO L87 Difference]: Start difference. First operand 16449 states and 38253 transitions. Second operand 13 states. [2018-12-02 17:31:16,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:16,037 INFO L93 Difference]: Finished difference Result 31539 states and 73036 transitions. [2018-12-02 17:31:16,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-02 17:31:16,037 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2018-12-02 17:31:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:16,054 INFO L225 Difference]: With dead ends: 31539 [2018-12-02 17:31:16,054 INFO L226 Difference]: Without dead ends: 26373 [2018-12-02 17:31:16,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2018-12-02 17:31:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26373 states. [2018-12-02 17:31:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26373 to 19662. [2018-12-02 17:31:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19662 states. [2018-12-02 17:31:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 45806 transitions. [2018-12-02 17:31:16,248 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 45806 transitions. Word has length 102 [2018-12-02 17:31:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:16,248 INFO L480 AbstractCegarLoop]: Abstraction has 19662 states and 45806 transitions. [2018-12-02 17:31:16,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 17:31:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 45806 transitions. [2018-12-02 17:31:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:31:16,263 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:16,263 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:16,263 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:16,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash 599074053, now seen corresponding path program 2 times [2018-12-02 17:31:16,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:16,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:16,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:16,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:16,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:31:16,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:31:16,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:31:16,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:31:16,372 INFO L87 Difference]: Start difference. First operand 19662 states and 45806 transitions. Second operand 10 states. [2018-12-02 17:31:16,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:16,723 INFO L93 Difference]: Finished difference Result 22231 states and 51748 transitions. [2018-12-02 17:31:16,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:31:16,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2018-12-02 17:31:16,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:16,726 INFO L225 Difference]: With dead ends: 22231 [2018-12-02 17:31:16,726 INFO L226 Difference]: Without dead ends: 3607 [2018-12-02 17:31:16,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-12-02 17:31:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2018-12-02 17:31:16,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3605. [2018-12-02 17:31:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3605 states. [2018-12-02 17:31:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 8520 transitions. [2018-12-02 17:31:16,748 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 8520 transitions. Word has length 102 [2018-12-02 17:31:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:16,749 INFO L480 AbstractCegarLoop]: Abstraction has 3605 states and 8520 transitions. [2018-12-02 17:31:16,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:31:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 8520 transitions. [2018-12-02 17:31:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:31:16,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:16,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:16,751 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:16,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1149405590, now seen corresponding path program 1 times [2018-12-02 17:31:16,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:16,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:16,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:16,753 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:31:16,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:31:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:31:16,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:31:16,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 17:31:16,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 17:31:16,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 17:31:16,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:31:16,846 INFO L87 Difference]: Start difference. First operand 3605 states and 8520 transitions. Second operand 13 states. [2018-12-02 17:31:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:31:17,311 INFO L93 Difference]: Finished difference Result 5791 states and 13438 transitions. [2018-12-02 17:31:17,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 17:31:17,311 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2018-12-02 17:31:17,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:31:17,316 INFO L225 Difference]: With dead ends: 5791 [2018-12-02 17:31:17,316 INFO L226 Difference]: Without dead ends: 4112 [2018-12-02 17:31:17,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-12-02 17:31:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4112 states. [2018-12-02 17:31:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4112 to 3607. [2018-12-02 17:31:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3607 states. [2018-12-02 17:31:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3607 states and 8521 transitions. [2018-12-02 17:31:17,356 INFO L78 Accepts]: Start accepts. Automaton has 3607 states and 8521 transitions. Word has length 102 [2018-12-02 17:31:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:31:17,356 INFO L480 AbstractCegarLoop]: Abstraction has 3607 states and 8521 transitions. [2018-12-02 17:31:17,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 17:31:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3607 states and 8521 transitions. [2018-12-02 17:31:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 17:31:17,360 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:31:17,360 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:31:17,360 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:31:17,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:31:17,360 INFO L82 PathProgramCache]: Analyzing trace with hash 137931784, now seen corresponding path program 2 times [2018-12-02 17:31:17,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:31:17,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:31:17,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:17,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:31:17,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:31:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:31:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:31:17,408 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:31:17,495 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 17:31:17,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:31:17 BasicIcfg [2018-12-02 17:31:17,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:31:17,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:31:17,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:31:17,496 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:31:17,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:30:48" (3/4) ... [2018-12-02 17:31:17,499 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 17:31:17,611 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_30fb741d-ebed-441f-ab22-7f92c3e38aa1/bin-2019/uautomizer/witness.graphml [2018-12-02 17:31:17,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:31:17,612 INFO L168 Benchmark]: Toolchain (without parser) took 29523.08 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 951.7 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,613 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:31:17,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,614 INFO L168 Benchmark]: Boogie Preprocessor took 18.77 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. [2018-12-02 17:31:17,614 INFO L168 Benchmark]: RCFGBuilder took 372.63 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,614 INFO L168 Benchmark]: TraceAbstraction took 28630.20 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,614 INFO L168 Benchmark]: Witness Printer took 114.81 ms. Allocated memory is still 3.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:31:17,617 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.77 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 372.63 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28630.20 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 114.81 ms. Allocated memory is still 3.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 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_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L678] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L679] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L680] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L682] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L683] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L684] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L685] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L686] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L687] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L688] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L689] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L690] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L691] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L692] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L693] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L694] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L695] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L696] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L698] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L699] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L700] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L784] -1 pthread_t t321; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L785] FCALL, FORK -1 pthread_create(&t321, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L786] -1 pthread_t t322; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L787] FCALL, FORK -1 pthread_create(&t322, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L732] 0 x$w_buff1 = x$w_buff0 [L733] 0 x$w_buff0 = 1 [L734] 0 x$w_buff1_used = x$w_buff0_used [L735] 0 x$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L737] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L738] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L739] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L740] 0 x$r_buff0_thd2 = (_Bool)1 [L743] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L744] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L745] 0 x$flush_delayed = weak$$choice2 [L746] 0 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] 0 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L748] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L748] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L749] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L750] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L750] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L751] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L751] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L752] EXPR 0 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L752] 0 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L753] EXPR 0 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L753] 0 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L754] 0 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L755] EXPR 0 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L755] 0 x = x$flush_delayed ? x$mem_tmp : x [L756] 0 x$flush_delayed = (_Bool)0 [L759] 0 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L762] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L704] 1 y = 1 [L707] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L708] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L709] 1 x$flush_delayed = weak$$choice2 [L710] 1 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L711] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L762] 0 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L763] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L763] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L764] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L764] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L711] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L712] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L712] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L713] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L713] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L765] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L765] 0 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L766] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L766] 0 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L769] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L714] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L714] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L715] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L715] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L716] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L716] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L717] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L717] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L718] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L719] EXPR 1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=1, x$flush_delayed ? x$mem_tmp : x=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L719] 1 x = x$flush_delayed ? x$mem_tmp : x [L720] 1 x$flush_delayed = (_Bool)0 [L725] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L789] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L794] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L794] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L795] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L795] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L796] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L796] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L797] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L797] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L800] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 283 locations, 3 error locations. UNSAFE Result, 28.5s OverallTime, 30 OverallIterations, 1 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10797 SDtfs, 13142 SDslu, 31024 SDs, 0 SdLazy, 11236 SolverSat, 468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 76 SyntacticMatches, 30 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83127occurred 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: 8.3s AutomataMinimizationTime, 29 MinimizatonAttempts, 154986 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2532 NumberOfCodeBlocks, 2532 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 2401 ConstructedInterpolants, 0 QuantifiedInterpolants, 550937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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...